From a18f760a9f0f68ae11ef853dd18e75acc800b31c Mon Sep 17 00:00:00 2001
From: Tim Young <Tim.Young@LightSys.org>
Date: Sat, 1 Aug 2015 09:13:20 -0600
Subject: [PATCH] Starting to sync

---
 .gitattributes                                |   63 +
 .gitignore                                    |  189 ++
 EduNetworkBuilder.sln                         |   22 +
 EduNetworkBuilder/App.config                  |   27 +
 EduNetworkBuilder/DeviceConfig.Designer.cs    |  283 +++
 EduNetworkBuilder/DeviceConfig.resx           |  120 ++
 EduNetworkBuilder/EduNetworkBuilder.csproj    |  347 ++++
 .../EduNetworkBuilder_TemporaryKey.pfx        |  Bin 0 -> 1668 bytes
 EduNetworkBuilder/IPAddressEntry.Designer.cs  |  148 ++
 EduNetworkBuilder/IPAddressEntry.resx         |  120 ++
 EduNetworkBuilder/LinkEditor.Designer.cs      |  138 ++
 EduNetworkBuilder/LinkEditor.cs               |  234 +++
 EduNetworkBuilder/LinkEditor.resx             |  120 ++
 EduNetworkBuilder/ListBoxWindow.Designer.cs   |  149 ++
 EduNetworkBuilder/ListBoxWindow.resx          |  120 ++
 EduNetworkBuilder/NetTestEditor.Designer.cs   |  155 ++
 EduNetworkBuilder/NetTestEditor.resx          |  827 ++++++++
 EduNetworkBuilder/NetworkBuilder.Designer.cs  |  609 ++++++
 EduNetworkBuilder/NetworkBuilder.resx         |  123 ++
 .../NetworkCardEditor.Designer.cs             |  170 ++
 EduNetworkBuilder/NetworkComponent.cs         |  108 +
 EduNetworkBuilder/NetworkInterface.cs         |  123 ++
 EduNetworkBuilder/OptionsWindow.Designer.cs   |  296 +++
 EduNetworkBuilder/OptionsWindow.resx          |  120 ++
 EduNetworkBuilder/Program.cs                  |   22 +
 EduNetworkBuilder/Properties/AssemblyInfo.cs  |   36 +
 .../Properties/Resources.Designer.cs          |  788 +++++++
 EduNetworkBuilder/Properties/Resources.resx   |  334 +++
 .../Properties/Settings.Designer.cs           |   85 +
 .../Properties/Settings.settings              |   21 +
 EduNetworkBuilder/RTFWindow.Designer.cs       |   79 +
 EduNetworkBuilder/RTFWindow.resx              |  827 ++++++++
 EduNetworkBuilder/Resources/BellDing.wav      |  Bin 0 -> 8172 bytes
 EduNetworkBuilder/Resources/Copier.png        |  Bin 0 -> 13516 bytes
 EduNetworkBuilder/Resources/DHCP.enbx         |  609 ++++++
 EduNetworkBuilder/Resources/Help.rtf          |  178 ++
 EduNetworkBuilder/Resources/Hub.png           |  Bin 0 -> 1040 bytes
 EduNetworkBuilder/Resources/Laptop.png        |  Bin 0 -> 1563 bytes
 EduNetworkBuilder/Resources/Level0-Help.enbx  |  101 +
 .../Resources/Level0-HubVsSwitch.enbx         | 1144 ++++++++++
 EduNetworkBuilder/Resources/Level0-IP.enbx    |  465 +++++
 .../Resources/Level0-NeedsLink.enbx           |  369 ++++
 .../Resources/Level0-NoSwitch.enbx            |  209 ++
 EduNetworkBuilder/Resources/Level0-Ping.enbx  |  562 +++++
 .../Resources/Level0-SimpleDHCP.enbx          |  397 ++++
 .../Resources/Level0_BrokenLink.enbx          |  565 +++++
 .../Resources/Level0_NetworkLoop.enbx         |  859 ++++++++
 .../Resources/Level0_NetworkLoop2.enbx        | 1636 +++++++++++++++
 .../Resources/Level1-BadDHCP.enbx             |  551 +++++
 EduNetworkBuilder/Resources/Level1-BadIP.enbx |  534 +++++
 .../Resources/Level1-DuplicateIPs.enbx        |  637 ++++++
 .../Resources/Level1-MidDHCP.enbx             |  865 ++++++++
 .../Resources/Level1-MixedNetwork.enbx        |  404 ++++
 .../Resources/Level1-NoGateway.enbx           |  805 +++++++
 .../Resources/Level1_BadGateway.enbx          | 1171 +++++++++++
 .../Resources/Level1_DuplicateMAC.enbx        |  466 +++++
 .../Resources/Level1_OneNetTwoSubnets.enbx    |  771 +++++++
 .../Resources/Level1_OneNetTwoSubnets2.enbx   |  667 ++++++
 .../Resources/Level2_Bad_Encryption.enbx      | 1174 +++++++++++
 .../Resources/Level2_Bad_Route.enbx           | 1173 +++++++++++
 .../Resources/Level2_Bad_VPN_IP.enbx          | 1211 +++++++++++
 .../Resources/Level2_Blast_From_Past.enbx     | 1185 +++++++++++
 .../Resources/Level2_Build_A_VPN.enbx         | 1121 ++++++++++
 .../Resources/Level2_Connect_The_Dots.enbx    | 1153 ++++++++++
 .../Resources/Level2_FirewallDemo.enbx        | 1232 +++++++++++
 .../Resources/Level2_Not_Working.enbx         | 1162 +++++++++++
 .../Resources/Level2_VPN_Demo.enbx            | 1792 ++++++++++++++++
 .../Resources/Level3_BlackHole.enbx           | 1609 ++++++++++++++
 .../Resources/Level3_Busted.enbx              |  574 +++++
 EduNetworkBuilder/Resources/Level3_Dead.enbx  | 1330 ++++++++++++
 .../Resources/Level3_EncryptionTroubles.enbx  | 1837 ++++++++++++++++
 .../Resources/Level3_GrandCentralStation.enbx | 1680 +++++++++++++++
 .../Resources/Level3_Middle_Man_Out.enbx      | 1627 +++++++++++++++
 .../Resources/Level3_NowhereToGo.enbx         | 1308 ++++++++++++
 .../Resources/Level3_PhoneyNetwork.enbx       | 1318 ++++++++++++
 .../Resources/Level3_VPNify.enbx              | 1644 +++++++++++++++
 .../Resources/Level4_DualWans.enbx            | 1587 ++++++++++++++
 .../Resources/Level4_Internalhemorrhage.enbx  | 1847 +++++++++++++++++
 .../Resources/Level4_InternelSubnetting.enbx  | 1661 +++++++++++++++
 .../Resources/Level4_OneRoute.enbx            | 1824 ++++++++++++++++
 .../Resources/Level4_RouterReplacement.enbx   | 1311 ++++++++++++
 .../Resources/Level4_SinglesLife.enbx         | 1746 ++++++++++++++++
 .../Resources/Level4_SmallSubnets.enbx        | 1302 ++++++++++++
 EduNetworkBuilder/Resources/NBIco.ico         |  Bin 0 -> 42062 bytes
 EduNetworkBuilder/Resources/OneNet.enbx       |  544 +++++
 EduNetworkBuilder/Resources/PC.png            |  Bin 0 -> 1895 bytes
 EduNetworkBuilder/Resources/Printer.png       |  Bin 0 -> 6226 bytes
 EduNetworkBuilder/Resources/ReleaseNotes.rtf  |  Bin 0 -> 6791 bytes
 EduNetworkBuilder/Resources/Router.png        |  Bin 0 -> 5179 bytes
 EduNetworkBuilder/Resources/Server.png        |  Bin 0 -> 985 bytes
 EduNetworkBuilder/Resources/Switch.png        |  Bin 0 -> 756 bytes
 EduNetworkBuilder/Resources/ThreeNets.enbx    | 1558 ++++++++++++++
 EduNetworkBuilder/Resources/TwoNets.enbx      | 1264 +++++++++++
 EduNetworkBuilder/Resources/WAP.png           |  Bin 0 -> 15998 bytes
 EduNetworkBuilder/Resources/WBridge.png       |  Bin 0 -> 15688 bytes
 EduNetworkBuilder/Resources/WRepeater.png     |  Bin 0 -> 15629 bytes
 EduNetworkBuilder/Resources/WRouter.png       |  Bin 0 -> 22090 bytes
 EduNetworkBuilder/Resources/about.rtf         |  Bin 0 -> 953 bytes
 EduNetworkBuilder/Resources/firewall.png      |  Bin 0 -> 17166 bytes
 EduNetworkBuilder/Resources/firewalls.enbx    | 1765 ++++++++++++++++
 EduNetworkBuilder/Resources/ip_phone.png      |  Bin 0 -> 6980 bytes
 .../languages/edustrings.fr.Designer.cs       |    0
 .../Resources/languages/edustrings.fr.resx    |  414 ++++
 .../Resources/languages/edustrings.resx       |  520 +++++
 EduNetworkBuilder/Resources/link.png          |  Bin 0 -> 2195 bytes
 EduNetworkBuilder/Resources/select.png        |  Bin 0 -> 4393 bytes
 106 files changed, 62241 insertions(+)
 create mode 100644 .gitattributes
 create mode 100644 .gitignore
 create mode 100644 EduNetworkBuilder.sln
 create mode 100644 EduNetworkBuilder/App.config
 create mode 100644 EduNetworkBuilder/DeviceConfig.Designer.cs
 create mode 100644 EduNetworkBuilder/DeviceConfig.resx
 create mode 100644 EduNetworkBuilder/EduNetworkBuilder.csproj
 create mode 100644 EduNetworkBuilder/EduNetworkBuilder_TemporaryKey.pfx
 create mode 100644 EduNetworkBuilder/IPAddressEntry.Designer.cs
 create mode 100644 EduNetworkBuilder/IPAddressEntry.resx
 create mode 100644 EduNetworkBuilder/LinkEditor.Designer.cs
 create mode 100644 EduNetworkBuilder/LinkEditor.cs
 create mode 100644 EduNetworkBuilder/LinkEditor.resx
 create mode 100644 EduNetworkBuilder/ListBoxWindow.Designer.cs
 create mode 100644 EduNetworkBuilder/ListBoxWindow.resx
 create mode 100644 EduNetworkBuilder/NetTestEditor.Designer.cs
 create mode 100644 EduNetworkBuilder/NetTestEditor.resx
 create mode 100644 EduNetworkBuilder/NetworkBuilder.Designer.cs
 create mode 100644 EduNetworkBuilder/NetworkBuilder.resx
 create mode 100644 EduNetworkBuilder/NetworkCardEditor.Designer.cs
 create mode 100644 EduNetworkBuilder/NetworkComponent.cs
 create mode 100644 EduNetworkBuilder/NetworkInterface.cs
 create mode 100644 EduNetworkBuilder/OptionsWindow.Designer.cs
 create mode 100644 EduNetworkBuilder/OptionsWindow.resx
 create mode 100644 EduNetworkBuilder/Program.cs
 create mode 100644 EduNetworkBuilder/Properties/AssemblyInfo.cs
 create mode 100644 EduNetworkBuilder/Properties/Resources.Designer.cs
 create mode 100644 EduNetworkBuilder/Properties/Resources.resx
 create mode 100644 EduNetworkBuilder/Properties/Settings.Designer.cs
 create mode 100644 EduNetworkBuilder/Properties/Settings.settings
 create mode 100644 EduNetworkBuilder/RTFWindow.Designer.cs
 create mode 100644 EduNetworkBuilder/RTFWindow.resx
 create mode 100644 EduNetworkBuilder/Resources/BellDing.wav
 create mode 100644 EduNetworkBuilder/Resources/Copier.png
 create mode 100644 EduNetworkBuilder/Resources/DHCP.enbx
 create mode 100644 EduNetworkBuilder/Resources/Help.rtf
 create mode 100644 EduNetworkBuilder/Resources/Hub.png
 create mode 100644 EduNetworkBuilder/Resources/Laptop.png
 create mode 100644 EduNetworkBuilder/Resources/Level0-Help.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level0-HubVsSwitch.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level0-IP.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level0-NeedsLink.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level0-NoSwitch.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level0-Ping.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level0-SimpleDHCP.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level0_BrokenLink.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level0_NetworkLoop.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level0_NetworkLoop2.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1-BadDHCP.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1-BadIP.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1-DuplicateIPs.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1-MidDHCP.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1-MixedNetwork.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1-NoGateway.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1_BadGateway.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1_DuplicateMAC.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1_OneNetTwoSubnets.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level1_OneNetTwoSubnets2.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level2_Bad_Encryption.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level2_Bad_Route.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level2_Bad_VPN_IP.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level2_Blast_From_Past.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level2_Build_A_VPN.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level2_Connect_The_Dots.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level2_FirewallDemo.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level2_Not_Working.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level2_VPN_Demo.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level3_BlackHole.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level3_Busted.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level3_Dead.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level3_EncryptionTroubles.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level3_GrandCentralStation.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level3_Middle_Man_Out.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level3_NowhereToGo.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level3_PhoneyNetwork.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level3_VPNify.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level4_DualWans.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level4_Internalhemorrhage.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level4_InternelSubnetting.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level4_OneRoute.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level4_RouterReplacement.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level4_SinglesLife.enbx
 create mode 100644 EduNetworkBuilder/Resources/Level4_SmallSubnets.enbx
 create mode 100644 EduNetworkBuilder/Resources/NBIco.ico
 create mode 100644 EduNetworkBuilder/Resources/OneNet.enbx
 create mode 100644 EduNetworkBuilder/Resources/PC.png
 create mode 100644 EduNetworkBuilder/Resources/Printer.png
 create mode 100644 EduNetworkBuilder/Resources/ReleaseNotes.rtf
 create mode 100644 EduNetworkBuilder/Resources/Router.png
 create mode 100644 EduNetworkBuilder/Resources/Server.png
 create mode 100644 EduNetworkBuilder/Resources/Switch.png
 create mode 100644 EduNetworkBuilder/Resources/ThreeNets.enbx
 create mode 100644 EduNetworkBuilder/Resources/TwoNets.enbx
 create mode 100644 EduNetworkBuilder/Resources/WAP.png
 create mode 100644 EduNetworkBuilder/Resources/WBridge.png
 create mode 100644 EduNetworkBuilder/Resources/WRepeater.png
 create mode 100644 EduNetworkBuilder/Resources/WRouter.png
 create mode 100644 EduNetworkBuilder/Resources/about.rtf
 create mode 100644 EduNetworkBuilder/Resources/firewall.png
 create mode 100644 EduNetworkBuilder/Resources/firewalls.enbx
 create mode 100644 EduNetworkBuilder/Resources/ip_phone.png
 create mode 100644 EduNetworkBuilder/Resources/languages/edustrings.fr.Designer.cs
 create mode 100644 EduNetworkBuilder/Resources/languages/edustrings.fr.resx
 create mode 100644 EduNetworkBuilder/Resources/languages/edustrings.resx
 create mode 100644 EduNetworkBuilder/Resources/link.png
 create mode 100644 EduNetworkBuilder/Resources/select.png

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..1ff0c42
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7964536
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,189 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+x64/
+build/
+bld/
+[Bb]in/
+[Oo]bj/
+
+# Roslyn cache directories
+*.ide/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+#NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding addin-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+## TODO: Comment the next line if you want to checkin your
+## web deploy settings but do note that will include unencrypted
+## passwords
+#*.pubxml
+
+# NuGet Packages Directory
+packages/*
+## TODO: If the tool you use requires repositories.config
+## uncomment the next line
+#!packages/repositories.config
+
+# Enable "build/" folder in the NuGet Packages folder since
+# NuGet packages use it for MSBuild targets.
+# This line needs to be after the ignore of the build folder
+# (and the packages folder if the line above has been uncommented)
+!packages/build/
+
+# Windows Azure Build Output
+csx/
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# LightSwitch generated files
+GeneratedArtifacts/
+_Pvt_Extensions/
+ModelManifest.xml
\ No newline at end of file
diff --git a/EduNetworkBuilder.sln b/EduNetworkBuilder.sln
new file mode 100644
index 0000000..2618384
--- /dev/null
+++ b/EduNetworkBuilder.sln
@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Express 2013 for Windows Desktop
+VisualStudioVersion = 12.0.31101.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EduNetworkBuilder", "EduNetworkBuilder\EduNetworkBuilder.csproj", "{5662A48F-E771-4C29-B120-54D65FBC4A14}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{5662A48F-E771-4C29-B120-54D65FBC4A14}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5662A48F-E771-4C29-B120-54D65FBC4A14}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5662A48F-E771-4C29-B120-54D65FBC4A14}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5662A48F-E771-4C29-B120-54D65FBC4A14}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/EduNetworkBuilder/App.config b/EduNetworkBuilder/App.config
new file mode 100644
index 0000000..83e42c8
--- /dev/null
+++ b/EduNetworkBuilder/App.config
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <configSections>
+        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
+            <section name="EduNetworkBuilder.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
+        </sectionGroup>
+    </configSections>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
+    </startup>
+    <userSettings>
+        <EduNetworkBuilder.Properties.Settings>
+            <setting name="LastPath" serializeAs="String">
+                <value />
+            </setting>
+            <setting name="AutoStartPuzzles" serializeAs="String">
+                <value>True</value>
+            </setting>
+            <setting name="ChosenLanguage" serializeAs="String">
+                <value>en</value>
+            </setting>
+            <setting name="LanguageHasBeenChosen" serializeAs="String">
+                <value>False</value>
+            </setting>
+        </EduNetworkBuilder.Properties.Settings>
+    </userSettings>
+</configuration>
\ No newline at end of file
diff --git a/EduNetworkBuilder/DeviceConfig.Designer.cs b/EduNetworkBuilder/DeviceConfig.Designer.cs
new file mode 100644
index 0000000..831ffab
--- /dev/null
+++ b/EduNetworkBuilder/DeviceConfig.Designer.cs
@@ -0,0 +1,283 @@
+namespace EduNetworkBuilder
+{
+    partial class DeviceConfig
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.tbHostname = new System.Windows.Forms.TextBox();
+            this.lblHostname = new System.Windows.Forms.Label();
+            this.lbNics = new System.Windows.Forms.ListBox();
+            this.lbAddresses = new System.Windows.Forms.ListBox();
+            this.lblHelp = new System.Windows.Forms.Label();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.btnOK = new System.Windows.Forms.Button();
+            this.btnNicPlus = new System.Windows.Forms.Button();
+            this.btnNicMinus = new System.Windows.Forms.Button();
+            this.btnNicEdit = new System.Windows.Forms.Button();
+            this.btnIfEdit = new System.Windows.Forms.Button();
+            this.btnIfMinus = new System.Windows.Forms.Button();
+            this.btnIfAdd = new System.Windows.Forms.Button();
+            this.lbArpTable = new System.Windows.Forms.ListBox();
+            this.btnGateway = new System.Windows.Forms.Button();
+            this.btnRoutes = new System.Windows.Forms.Button();
+            this.cbDHCP = new System.Windows.Forms.CheckBox();
+            this.btnDHCP = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // tbHostname
+            // 
+            this.tbHostname.Location = new System.Drawing.Point(90, 6);
+            this.tbHostname.Name = "tbHostname";
+            this.tbHostname.Size = new System.Drawing.Size(124, 22);
+            this.tbHostname.TabIndex = 0;
+            this.tbHostname.Validating += new System.ComponentModel.CancelEventHandler(this.tbHostname_Validating);
+            // 
+            // lblHostname
+            // 
+            this.lblHostname.AutoSize = true;
+            this.lblHostname.Location = new System.Drawing.Point(12, 9);
+            this.lblHostname.Name = "lblHostname";
+            this.lblHostname.Size = new System.Drawing.Size(72, 17);
+            this.lblHostname.TabIndex = 1;
+            this.lblHostname.Text = "Hostname";
+            // 
+            // lbNics
+            // 
+            this.lbNics.FormattingEnabled = true;
+            this.lbNics.ItemHeight = 16;
+            this.lbNics.Location = new System.Drawing.Point(13, 103);
+            this.lbNics.Name = "lbNics";
+            this.lbNics.Size = new System.Drawing.Size(150, 116);
+            this.lbNics.TabIndex = 2;
+            this.lbNics.SelectedIndexChanged += new System.EventHandler(this.lbNics_SelectedIndexChanged);
+            this.lbNics.DoubleClick += new System.EventHandler(this.lbNics_DoubleClick);
+            // 
+            // lbAddresses
+            // 
+            this.lbAddresses.FormattingEnabled = true;
+            this.lbAddresses.ItemHeight = 16;
+            this.lbAddresses.Location = new System.Drawing.Point(182, 103);
+            this.lbAddresses.Name = "lbAddresses";
+            this.lbAddresses.Size = new System.Drawing.Size(277, 116);
+            this.lbAddresses.TabIndex = 3;
+            this.lbAddresses.DoubleClick += new System.EventHandler(this.lbAddresses_DoubleClick);
+            // 
+            // lblHelp
+            // 
+            this.lblHelp.Location = new System.Drawing.Point(15, 222);
+            this.lblHelp.Name = "lblHelp";
+            this.lblHelp.Size = new System.Drawing.Size(444, 44);
+            this.lblHelp.TabIndex = 4;
+            this.lblHelp.Text = "HelpGoesHere";
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
+            this.btnCancel.Location = new System.Drawing.Point(384, 301);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Size = new System.Drawing.Size(75, 23);
+            this.btnCancel.TabIndex = 5;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // btnOK
+            // 
+            this.btnOK.Location = new System.Drawing.Point(384, 330);
+            this.btnOK.Name = "btnOK";
+            this.btnOK.Size = new System.Drawing.Size(75, 23);
+            this.btnOK.TabIndex = 6;
+            this.btnOK.Text = "Ok";
+            this.btnOK.UseVisualStyleBackColor = true;
+            this.btnOK.Click += new System.EventHandler(this.btnOK_Click);
+            // 
+            // btnNicPlus
+            // 
+            this.btnNicPlus.Location = new System.Drawing.Point(14, 80);
+            this.btnNicPlus.Name = "btnNicPlus";
+            this.btnNicPlus.Size = new System.Drawing.Size(19, 23);
+            this.btnNicPlus.TabIndex = 7;
+            this.btnNicPlus.Text = "+";
+            this.btnNicPlus.UseVisualStyleBackColor = true;
+            this.btnNicPlus.Click += new System.EventHandler(this.btnNicPlus_Click);
+            // 
+            // btnNicMinus
+            // 
+            this.btnNicMinus.Location = new System.Drawing.Point(39, 80);
+            this.btnNicMinus.Name = "btnNicMinus";
+            this.btnNicMinus.Size = new System.Drawing.Size(18, 23);
+            this.btnNicMinus.TabIndex = 8;
+            this.btnNicMinus.Text = "-";
+            this.btnNicMinus.UseVisualStyleBackColor = true;
+            this.btnNicMinus.Click += new System.EventHandler(this.btnNicMinus_Click);
+            // 
+            // btnNicEdit
+            // 
+            this.btnNicEdit.Location = new System.Drawing.Point(63, 80);
+            this.btnNicEdit.Name = "btnNicEdit";
+            this.btnNicEdit.Size = new System.Drawing.Size(65, 23);
+            this.btnNicEdit.TabIndex = 9;
+            this.btnNicEdit.Text = "edit";
+            this.btnNicEdit.UseVisualStyleBackColor = true;
+            this.btnNicEdit.Click += new System.EventHandler(this.btnNicEdit_Click);
+            // 
+            // btnIfEdit
+            // 
+            this.btnIfEdit.Location = new System.Drawing.Point(394, 80);
+            this.btnIfEdit.Name = "btnIfEdit";
+            this.btnIfEdit.Size = new System.Drawing.Size(65, 23);
+            this.btnIfEdit.TabIndex = 12;
+            this.btnIfEdit.Text = "edit";
+            this.btnIfEdit.UseVisualStyleBackColor = true;
+            this.btnIfEdit.Click += new System.EventHandler(this.btnIfEdit_Click);
+            // 
+            // btnIfMinus
+            // 
+            this.btnIfMinus.Location = new System.Drawing.Point(370, 80);
+            this.btnIfMinus.Name = "btnIfMinus";
+            this.btnIfMinus.Size = new System.Drawing.Size(18, 23);
+            this.btnIfMinus.TabIndex = 11;
+            this.btnIfMinus.Text = "-";
+            this.btnIfMinus.UseVisualStyleBackColor = true;
+            this.btnIfMinus.Click += new System.EventHandler(this.btnIfMinus_Click);
+            // 
+            // btnIfAdd
+            // 
+            this.btnIfAdd.Location = new System.Drawing.Point(345, 80);
+            this.btnIfAdd.Name = "btnIfAdd";
+            this.btnIfAdd.Size = new System.Drawing.Size(19, 23);
+            this.btnIfAdd.TabIndex = 10;
+            this.btnIfAdd.Text = "+";
+            this.btnIfAdd.UseVisualStyleBackColor = true;
+            this.btnIfAdd.Click += new System.EventHandler(this.btnIfAdd_Click);
+            // 
+            // lbArpTable
+            // 
+            this.lbArpTable.Font = new System.Drawing.Font("Courier New", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.lbArpTable.FormattingEnabled = true;
+            this.lbArpTable.ItemHeight = 17;
+            this.lbArpTable.Location = new System.Drawing.Point(15, 269);
+            this.lbArpTable.Name = "lbArpTable";
+            this.lbArpTable.Size = new System.Drawing.Size(326, 89);
+            this.lbArpTable.TabIndex = 13;
+            // 
+            // btnGateway
+            // 
+            this.btnGateway.Location = new System.Drawing.Point(251, 6);
+            this.btnGateway.Name = "btnGateway";
+            this.btnGateway.Size = new System.Drawing.Size(208, 23);
+            this.btnGateway.TabIndex = 16;
+            this.btnGateway.Text = "Gateway:";
+            this.btnGateway.UseVisualStyleBackColor = true;
+            this.btnGateway.Click += new System.EventHandler(this.btnGateway_Click);
+            // 
+            // btnRoutes
+            // 
+            this.btnRoutes.Location = new System.Drawing.Point(251, 31);
+            this.btnRoutes.Name = "btnRoutes";
+            this.btnRoutes.Size = new System.Drawing.Size(113, 23);
+            this.btnRoutes.TabIndex = 17;
+            this.btnRoutes.Text = "Routes";
+            this.btnRoutes.UseVisualStyleBackColor = true;
+            this.btnRoutes.Click += new System.EventHandler(this.btnRoutes_Click);
+            // 
+            // cbDHCP
+            // 
+            this.cbDHCP.AutoSize = true;
+            this.cbDHCP.Location = new System.Drawing.Point(13, 35);
+            this.cbDHCP.Name = "cbDHCP";
+            this.cbDHCP.Size = new System.Drawing.Size(114, 21);
+            this.cbDHCP.TabIndex = 18;
+            this.cbDHCP.Text = "DHCP Server";
+            this.cbDHCP.UseVisualStyleBackColor = true;
+            this.cbDHCP.CheckedChanged += new System.EventHandler(this.cbDHCP_CheckedChanged);
+            // 
+            // btnDHCP
+            // 
+            this.btnDHCP.Location = new System.Drawing.Point(365, 31);
+            this.btnDHCP.Name = "btnDHCP";
+            this.btnDHCP.Size = new System.Drawing.Size(94, 23);
+            this.btnDHCP.TabIndex = 20;
+            this.btnDHCP.Text = "DHCP";
+            this.btnDHCP.UseVisualStyleBackColor = true;
+            this.btnDHCP.Click += new System.EventHandler(this.btnDHCP_Click);
+            // 
+            // DeviceConfig
+            // 
+            this.AcceptButton = this.btnOK;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.CancelButton = this.btnCancel;
+            this.ClientSize = new System.Drawing.Size(471, 365);
+            this.Controls.Add(this.btnDHCP);
+            this.Controls.Add(this.cbDHCP);
+            this.Controls.Add(this.btnRoutes);
+            this.Controls.Add(this.btnGateway);
+            this.Controls.Add(this.lbArpTable);
+            this.Controls.Add(this.btnIfEdit);
+            this.Controls.Add(this.btnIfMinus);
+            this.Controls.Add(this.btnIfAdd);
+            this.Controls.Add(this.btnNicEdit);
+            this.Controls.Add(this.btnNicMinus);
+            this.Controls.Add(this.btnNicPlus);
+            this.Controls.Add(this.btnOK);
+            this.Controls.Add(this.btnCancel);
+            this.Controls.Add(this.lblHelp);
+            this.Controls.Add(this.lbAddresses);
+            this.Controls.Add(this.lbNics);
+            this.Controls.Add(this.lblHostname);
+            this.Controls.Add(this.tbHostname);
+            this.Icon = global::EduNetworkBuilder.Properties.Resources.NBIco;
+            this.Name = "DeviceConfig";
+            this.Text = "DeviceConfig";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.TextBox tbHostname;
+        private System.Windows.Forms.Label lblHostname;
+        private System.Windows.Forms.ListBox lbNics;
+        private System.Windows.Forms.ListBox lbAddresses;
+        private System.Windows.Forms.Label lblHelp;
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.Button btnOK;
+        private System.Windows.Forms.Button btnNicPlus;
+        private System.Windows.Forms.Button btnNicMinus;
+        private System.Windows.Forms.Button btnNicEdit;
+        private System.Windows.Forms.Button btnIfEdit;
+        private System.Windows.Forms.Button btnIfMinus;
+        private System.Windows.Forms.Button btnIfAdd;
+        private System.Windows.Forms.ListBox lbArpTable;
+        private System.Windows.Forms.Button btnGateway;
+        private System.Windows.Forms.Button btnRoutes;
+        private System.Windows.Forms.CheckBox cbDHCP;
+        private System.Windows.Forms.Button btnDHCP;
+    }
+}
\ No newline at end of file
diff --git a/EduNetworkBuilder/DeviceConfig.resx b/EduNetworkBuilder/DeviceConfig.resx
new file mode 100644
index 0000000..1af7de1
--- /dev/null
+++ b/EduNetworkBuilder/DeviceConfig.resx
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/EduNetworkBuilder.csproj b/EduNetworkBuilder/EduNetworkBuilder.csproj
new file mode 100644
index 0000000..9bbf113
--- /dev/null
+++ b/EduNetworkBuilder/EduNetworkBuilder.csproj
@@ -0,0 +1,347 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{5662A48F-E771-4C29-B120-54D65FBC4A14}</ProjectGuid>
+    <OutputType>WinExe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>EduNetworkBuilder</RootNamespace>
+    <AssemblyName>EduNetworkBuilder</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <IsWebBootstrapper>true</IsWebBootstrapper>
+    <PublishUrl>publish\</PublishUrl>
+    <Install>true</Install>
+    <InstallFrom>Web</InstallFrom>
+    <UpdateEnabled>true</UpdateEnabled>
+    <UpdateMode>Foreground</UpdateMode>
+    <UpdateInterval>7</UpdateInterval>
+    <UpdateIntervalUnits>Days</UpdateIntervalUnits>
+    <UpdatePeriodically>false</UpdatePeriodically>
+    <UpdateRequired>false</UpdateRequired>
+    <MapFileExtensions>true</MapFileExtensions>
+    <InstallUrl>http://tyounglightsys.ddns.info/EduNetworkBuilder/v1/</InstallUrl>
+    <CreateWebPageOnPublish>true</CreateWebPageOnPublish>
+    <WebPage>publish.htm</WebPage>
+    <ApplicationRevision>17</ApplicationRevision>
+    <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
+    <UseApplicationTrust>false</UseApplicationTrust>
+    <PublishWizardCompleted>true</PublishWizardCompleted>
+    <BootstrapperEnabled>true</BootstrapperEnabled>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup>
+    <ApplicationIcon>Resources\NBIco.ico</ApplicationIcon>
+  </PropertyGroup>
+  <PropertyGroup>
+    <ManifestCertificateThumbprint>A4F0B3ABDDD27B9830477C7B93C90C41A5706505</ManifestCertificateThumbprint>
+  </PropertyGroup>
+  <PropertyGroup>
+    <ManifestKeyFile>EduNetworkBuilder_TemporaryKey.pfx</ManifestKeyFile>
+  </PropertyGroup>
+  <PropertyGroup>
+    <GenerateManifests>true</GenerateManifests>
+  </PropertyGroup>
+  <PropertyGroup>
+    <SignManifests>true</SignManifests>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Deployment" />
+    <Reference Include="System.Drawing" />
+    <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="DeviceConfig.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="DeviceConfig.Designer.cs">
+      <DependentUpon>DeviceConfig.cs</DependentUpon>
+    </Compile>
+    <Compile Include="IPAddress.cs" />
+    <Compile Include="IPAddressEntry.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="IPAddressEntry.Designer.cs">
+      <DependentUpon>IPAddressEntry.cs</DependentUpon>
+    </Compile>
+    <Compile Include="LinkEditor.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="LinkEditor.Designer.cs">
+      <DependentUpon>LinkEditor.cs</DependentUpon>
+    </Compile>
+    <Compile Include="ListBoxWindow.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="ListBoxWindow.Designer.cs">
+      <DependentUpon>ListBoxWindow.cs</DependentUpon>
+    </Compile>
+    <Compile Include="NB.cs" />
+    <Compile Include="NetTest.cs" />
+    <Compile Include="NetTestEditor.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="NetTestEditor.Designer.cs">
+      <DependentUpon>NetTestEditor.cs</DependentUpon>
+    </Compile>
+    <Compile Include="NetworkCardEditor.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="NetworkCardEditor.Designer.cs">
+      <DependentUpon>NetworkCardEditor.cs</DependentUpon>
+    </Compile>
+    <Compile Include="NetworkInterface.cs" />
+    <Compile Include="Network.cs" />
+    <Compile Include="NetworkBuilder.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="NetworkBuilder.Designer.cs">
+      <DependentUpon>NetworkBuilder.cs</DependentUpon>
+    </Compile>
+    <Compile Include="NetworkCard.cs" />
+    <Compile Include="NetworkComponent.cs" />
+    <Compile Include="NetworkDevice.cs" />
+    <Compile Include="NetworkLink.cs" />
+    <Compile Include="OptionsWindow.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="OptionsWindow.Designer.cs">
+      <DependentUpon>OptionsWindow.cs</DependentUpon>
+    </Compile>
+    <Compile Include="Packet.cs" />
+    <Compile Include="PacketMessage.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Resources\languages\edustrings.fr.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>edustrings.fr.resx</DependentUpon>
+    </Compile>
+    <Compile Include="RTFWindow.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="RTFWindow.Designer.cs">
+      <DependentUpon>RTFWindow.cs</DependentUpon>
+    </Compile>
+    <EmbeddedResource Include="DeviceConfig.resx">
+      <DependentUpon>DeviceConfig.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="IPAddressEntry.resx">
+      <DependentUpon>IPAddressEntry.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="LinkEditor.resx">
+      <DependentUpon>LinkEditor.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="ListBoxWindow.resx">
+      <DependentUpon>ListBoxWindow.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="NetTestEditor.resx">
+      <DependentUpon>NetTestEditor.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="NetworkBuilder.resx">
+      <DependentUpon>NetworkBuilder.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="NetworkCardEditor.resx">
+      <DependentUpon>NetworkCardEditor.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="OptionsWindow.resx">
+      <DependentUpon>OptionsWindow.cs</DependentUpon>
+    </EmbeddedResource>
+    <EmbeddedResource Include="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+      <SubType>Designer</SubType>
+    </EmbeddedResource>
+    <Compile Include="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Resources.resx</DependentUpon>
+      <DesignTime>True</DesignTime>
+    </Compile>
+    <EmbeddedResource Include="Resources\languages\edustrings.resx" />
+    <EmbeddedResource Include="Resources\languages\edustrings.fr.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>edustrings.fr.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+    <EmbeddedResource Include="RTFWindow.resx">
+      <DependentUpon>RTFWindow.cs</DependentUpon>
+    </EmbeddedResource>
+    <None Include="EduNetworkBuilder_TemporaryKey.pfx" />
+    <None Include="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
+    <Compile Include="Properties\Settings.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Settings.settings</DependentUpon>
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+    </Compile>
+    <None Include="Resources\DHCP.enbx" />
+    <None Include="Resources\firewalls.enbx" />
+    <None Include="Resources\Level0-Help.enbx" />
+    <None Include="Resources\Level0-HubVsSwitch.enbx" />
+    <None Include="Resources\Level0-IP.enbx" />
+    <None Include="Resources\Level0-NeedsLink.enbx" />
+    <None Include="Resources\Level0-NoSwitch.enbx" />
+    <None Include="Resources\Level0-Ping.enbx" />
+    <None Include="Resources\Level0-SimpleDHCP.enbx" />
+    <None Include="Resources\Level0_BrokenLink.enbx" />
+    <None Include="Resources\Level0_NetworkLoop.enbx" />
+    <None Include="Resources\Level0_NetworkLoop2.enbx" />
+    <None Include="Resources\Level1-BadDHCP.enbx" />
+    <None Include="Resources\Level1-BadIP.enbx" />
+    <None Include="Resources\Level1-DuplicateIPs.enbx" />
+    <None Include="Resources\Level1-MidDHCP.enbx" />
+    <None Include="Resources\Level1-MixedNetwork.enbx" />
+    <None Include="Resources\Level1-NoGateway.enbx" />
+    <None Include="Resources\Level1_BadGateway.enbx" />
+    <None Include="Resources\Level1_DuplicateMAC.enbx" />
+    <None Include="Resources\Level1_OneNetTwoSubnets.enbx" />
+    <None Include="Resources\Level1_OneNetTwoSubnets2.enbx" />
+    <None Include="Resources\Level2_Bad_Encryption.enbx" />
+    <None Include="Resources\Level2_Bad_Route.enbx" />
+    <None Include="Resources\Level2_Bad_VPN_IP.enbx" />
+    <None Include="Resources\Level2_Blast_From_Past.enbx" />
+    <None Include="Resources\Level2_Build_A_VPN.enbx" />
+    <None Include="Resources\Level2_Connect_The_Dots.enbx" />
+    <None Include="Resources\Level2_FirewallDemo.enbx" />
+    <None Include="Resources\Level2_Not_Working.enbx" />
+    <None Include="Resources\Level2_VPN_Demo.enbx" />
+    <None Include="Resources\Level3_BlackHole.enbx" />
+    <None Include="Resources\Level3_Busted.enbx" />
+    <None Include="Resources\Level3_Dead.enbx" />
+    <None Include="Resources\Level3_EncryptionTroubles.enbx" />
+    <None Include="Resources\Level3_GrandCentralStation.enbx" />
+    <None Include="Resources\Level3_Middle_Man_Out.enbx" />
+    <None Include="Resources\Level3_NowhereToGo.enbx" />
+    <None Include="Resources\Level3_PhoneyNetwork.enbx" />
+    <None Include="Resources\Level3_VPNify.enbx" />
+    <None Include="Resources\Level4_DualWans.enbx" />
+    <None Include="Resources\Level4_Internalhemorrhage.enbx" />
+    <None Include="Resources\Level4_InternelSubnetting.enbx" />
+    <None Include="Resources\Level4_OneRoute.enbx" />
+    <None Include="Resources\Level4_RouterReplacement.enbx" />
+    <None Include="Resources\Level4_SinglesLife.enbx" />
+    <None Include="Resources\Level4_SmallSubnets.enbx" />
+    <None Include="Resources\OneNet.enbx" />
+    <None Include="Resources\Puzzle-BadDHCP.enbx" />
+    <None Include="Resources\Puzzle-BadIP.enbx" />
+    <None Include="Resources\Puzzle-Help.enbx" />
+    <None Include="Resources\Puzzle-HubVsSwitch.enbx" />
+    <None Include="Resources\Puzzle-IP.enbx" />
+    <None Include="Resources\Puzzle-MidDHCP.enbx" />
+    <None Include="Resources\Puzzle-MixedNetwork.enbx" />
+    <None Include="Resources\Puzzle-NeedsLink.enbx" />
+    <None Include="Resources\Puzzle-NoGateway.enbx" />
+    <None Include="Resources\Puzzle-NoSwitch.enbx" />
+    <None Include="Resources\Puzzle-Ping.enbx" />
+    <None Include="Resources\Puzzle-SimpleDHCP.enbx" />
+    <None Include="Resources\ThreeNets.enbx" />
+    <None Include="Resources\TwoNets.enbx" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\about.rtf" />
+    <None Include="Resources\Help.rtf" />
+    <None Include="Resources\ReleaseNotes.rtf" />
+    <None Include="Resources\Switch.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\Router.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\link.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\select.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\PC.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\Laptop.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\Server.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\Hub.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <BootstrapperPackage Include=".NETFramework,Version=v4.5">
+      <Visible>False</Visible>
+      <ProductName>Microsoft .NET Framework 4.5 %28x86 and x64%29</ProductName>
+      <Install>true</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Client.3.5">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5 SP1 Client Profile</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5 SP1</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\firewall.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\ip_phone.png" />
+  </ItemGroup>
+  <ItemGroup>
+    <FileAssociation Include=".enbx">
+      <Visible>False</Visible>
+      <Description>EduNetworkBuilder network file</Description>
+      <Progid>EduNetBuilder</Progid>
+      <DefaultIcon>Resources\NBIco.ico</DefaultIcon>
+    </FileAssociation>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Resources\WRepeater.png" />
+    <None Include="Resources\WBridge.png" />
+    <None Include="Resources\WRouter.png" />
+    <None Include="Resources\WAP.png" />
+    <None Include="Resources\Printer.png" />
+    <None Include="Resources\BellDing.wav" />
+    <None Include="Resources\Copier.png" />
+    <Content Include="Resources\NBIco.ico" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>
\ No newline at end of file
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diff --git a/EduNetworkBuilder/IPAddressEntry.Designer.cs b/EduNetworkBuilder/IPAddressEntry.Designer.cs
new file mode 100644
index 0000000..2f354e9
--- /dev/null
+++ b/EduNetworkBuilder/IPAddressEntry.Designer.cs
@@ -0,0 +1,148 @@
+namespace EduNetworkBuilder
+{
+    partial class IPAddressEntry
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.Icon = Properties.Resources.NBIco;
+            this.lblIP = new System.Windows.Forms.Label();
+            this.lblNetmask = new System.Windows.Forms.Label();
+            this.lblGateway = new System.Windows.Forms.Label();
+            this.tbIPAddress = new System.Windows.Forms.TextBox();
+            this.tbNetmask = new System.Windows.Forms.TextBox();
+            this.tbGateway = new System.Windows.Forms.TextBox();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.btnOK = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // lblIP
+            // 
+            this.lblIP.Location = new System.Drawing.Point(19, 13);
+            this.lblIP.Name = "lblIP";
+            this.lblIP.Size = new System.Drawing.Size(60, 17);
+            this.lblIP.TabIndex = 0;
+            this.lblIP.Text = "IP";
+            this.lblIP.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+            // 
+            // lblNetmask
+            // 
+            this.lblNetmask.Location = new System.Drawing.Point(16, 45);
+            this.lblNetmask.Name = "lblNetmask";
+            this.lblNetmask.Size = new System.Drawing.Size(63, 17);
+            this.lblNetmask.TabIndex = 1;
+            this.lblNetmask.Text = "Netmask";
+            this.lblNetmask.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+            // 
+            // lblGateway
+            // 
+            this.lblGateway.Location = new System.Drawing.Point(16, 74);
+            this.lblGateway.Name = "lblGateway";
+            this.lblGateway.Size = new System.Drawing.Size(63, 17);
+            this.lblGateway.TabIndex = 2;
+            this.lblGateway.Text = "Gateway";
+            this.lblGateway.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+            // 
+            // tbIPAddress
+            // 
+            this.tbIPAddress.Location = new System.Drawing.Point(86, 13);
+            this.tbIPAddress.Name = "tbIPAddress";
+            this.tbIPAddress.Size = new System.Drawing.Size(128, 22);
+            this.tbIPAddress.TabIndex = 3;
+            this.tbIPAddress.Validating += new System.ComponentModel.CancelEventHandler(this.tbIPAddress_Validating);
+            // 
+            // tbNetmask
+            // 
+            this.tbNetmask.Location = new System.Drawing.Point(86, 42);
+            this.tbNetmask.Name = "tbNetmask";
+            this.tbNetmask.Size = new System.Drawing.Size(128, 22);
+            this.tbNetmask.TabIndex = 4;
+            this.tbNetmask.Validating += new System.ComponentModel.CancelEventHandler(this.tbNetmask_Validating);
+            // 
+            // tbGateway
+            // 
+            this.tbGateway.Location = new System.Drawing.Point(86, 71);
+            this.tbGateway.Name = "tbGateway";
+            this.tbGateway.Size = new System.Drawing.Size(128, 22);
+            this.tbGateway.TabIndex = 5;
+            this.tbGateway.Validating += new System.ComponentModel.CancelEventHandler(this.tbGateway_Validating);
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
+            this.btnCancel.Location = new System.Drawing.Point(19, 120);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Size = new System.Drawing.Size(75, 23);
+            this.btnCancel.TabIndex = 6;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // btnOK
+            // 
+            this.btnOK.Location = new System.Drawing.Point(139, 120);
+            this.btnOK.Name = "btnOK";
+            this.btnOK.Size = new System.Drawing.Size(75, 23);
+            this.btnOK.TabIndex = 7;
+            this.btnOK.Text = "OK";
+            this.btnOK.UseVisualStyleBackColor = true;
+            this.btnOK.Click += new System.EventHandler(this.btnOK_Click);
+            // 
+            // IPAddressEntry
+            // 
+            this.AcceptButton = this.btnOK;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.CancelButton = this.btnCancel;
+            this.ClientSize = new System.Drawing.Size(226, 163);
+            this.Controls.Add(this.btnOK);
+            this.Controls.Add(this.btnCancel);
+            this.Controls.Add(this.tbGateway);
+            this.Controls.Add(this.tbNetmask);
+            this.Controls.Add(this.tbIPAddress);
+            this.Controls.Add(this.lblGateway);
+            this.Controls.Add(this.lblNetmask);
+            this.Controls.Add(this.lblIP);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
+            this.Name = "IPAddressEntry";
+            this.Text = "IP-Address Entry";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Label lblIP;
+        private System.Windows.Forms.Label lblNetmask;
+        private System.Windows.Forms.Label lblGateway;
+        private System.Windows.Forms.TextBox tbIPAddress;
+        private System.Windows.Forms.TextBox tbNetmask;
+        private System.Windows.Forms.TextBox tbGateway;
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.Button btnOK;
+    }
+}
\ No newline at end of file
diff --git a/EduNetworkBuilder/IPAddressEntry.resx b/EduNetworkBuilder/IPAddressEntry.resx
new file mode 100644
index 0000000..1af7de1
--- /dev/null
+++ b/EduNetworkBuilder/IPAddressEntry.resx
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/LinkEditor.Designer.cs b/EduNetworkBuilder/LinkEditor.Designer.cs
new file mode 100644
index 0000000..a1e2b78
--- /dev/null
+++ b/EduNetworkBuilder/LinkEditor.Designer.cs
@@ -0,0 +1,138 @@
+namespace EduNetworkBuilder
+{
+    partial class LinkEditor
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.lbSrcHost = new System.Windows.Forms.ListBox();
+            this.lbSrcNic = new System.Windows.Forms.ListBox();
+            this.lbDstNic = new System.Windows.Forms.ListBox();
+            this.lbDstHost = new System.Windows.Forms.ListBox();
+            this.btnLink = new System.Windows.Forms.Button();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.cbLinkType = new System.Windows.Forms.ComboBox();
+            this.SuspendLayout();
+            // 
+            // lbSrcHost
+            // 
+            this.lbSrcHost.FormattingEnabled = true;
+            this.lbSrcHost.ItemHeight = 16;
+            this.lbSrcHost.Location = new System.Drawing.Point(9, 18);
+            this.lbSrcHost.Name = "lbSrcHost";
+            this.lbSrcHost.Size = new System.Drawing.Size(103, 84);
+            this.lbSrcHost.TabIndex = 0;
+            this.lbSrcHost.SelectedIndexChanged += new System.EventHandler(this.lbSrcHost_SelectedIndexChanged);
+            // 
+            // lbSrcNic
+            // 
+            this.lbSrcNic.FormattingEnabled = true;
+            this.lbSrcNic.ItemHeight = 16;
+            this.lbSrcNic.Location = new System.Drawing.Point(118, 18);
+            this.lbSrcNic.Name = "lbSrcNic";
+            this.lbSrcNic.Size = new System.Drawing.Size(89, 84);
+            this.lbSrcNic.TabIndex = 1;
+            this.lbSrcNic.SelectedIndexChanged += new System.EventHandler(this.lbSrcNic_SelectedIndexChanged);
+            // 
+            // lbDstNic
+            // 
+            this.lbDstNic.FormattingEnabled = true;
+            this.lbDstNic.ItemHeight = 16;
+            this.lbDstNic.Location = new System.Drawing.Point(399, 18);
+            this.lbDstNic.Name = "lbDstNic";
+            this.lbDstNic.Size = new System.Drawing.Size(89, 84);
+            this.lbDstNic.TabIndex = 3;
+            this.lbDstNic.SelectedIndexChanged += new System.EventHandler(this.lbDstNic_SelectedIndexChanged);
+            // 
+            // lbDstHost
+            // 
+            this.lbDstHost.FormattingEnabled = true;
+            this.lbDstHost.ItemHeight = 16;
+            this.lbDstHost.Location = new System.Drawing.Point(290, 18);
+            this.lbDstHost.Name = "lbDstHost";
+            this.lbDstHost.Size = new System.Drawing.Size(103, 84);
+            this.lbDstHost.TabIndex = 2;
+            this.lbDstHost.SelectedIndexChanged += new System.EventHandler(this.lbDstHost_SelectedIndexChanged);
+            // 
+            // btnLink
+            // 
+            this.btnLink.Location = new System.Drawing.Point(210, 18);
+            this.btnLink.Name = "btnLink";
+            this.btnLink.Size = new System.Drawing.Size(75, 23);
+            this.btnLink.TabIndex = 4;
+            this.btnLink.Text = "Link";
+            this.btnLink.UseVisualStyleBackColor = true;
+            this.btnLink.Click += new System.EventHandler(this.btnLink_Click);
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.Location = new System.Drawing.Point(210, 47);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Size = new System.Drawing.Size(75, 23);
+            this.btnCancel.TabIndex = 5;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // cbLinkType
+            // 
+            this.cbLinkType.FormattingEnabled = true;
+            this.cbLinkType.Location = new System.Drawing.Point(210, 76);
+            this.cbLinkType.Name = "cbLinkType";
+            this.cbLinkType.Size = new System.Drawing.Size(75, 24);
+            this.cbLinkType.TabIndex = 6;
+            // 
+            // LinkEditor
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(495, 117);
+            this.Controls.Add(this.cbLinkType);
+            this.Controls.Add(this.btnCancel);
+            this.Controls.Add(this.btnLink);
+            this.Controls.Add(this.lbDstNic);
+            this.Controls.Add(this.lbDstHost);
+            this.Controls.Add(this.lbSrcNic);
+            this.Controls.Add(this.lbSrcHost);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
+            this.Icon = global::EduNetworkBuilder.Properties.Resources.NBIco;
+            this.Name = "LinkEditor";
+            this.Text = "LinkEditor";
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.ListBox lbSrcHost;
+        private System.Windows.Forms.ListBox lbSrcNic;
+        private System.Windows.Forms.ListBox lbDstNic;
+        private System.Windows.Forms.ListBox lbDstHost;
+        private System.Windows.Forms.Button btnLink;
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.ComboBox cbLinkType;
+    }
+}
\ No newline at end of file
diff --git a/EduNetworkBuilder/LinkEditor.cs b/EduNetworkBuilder/LinkEditor.cs
new file mode 100644
index 0000000..990824b
--- /dev/null
+++ b/EduNetworkBuilder/LinkEditor.cs
@@ -0,0 +1,234 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using System.Globalization;
+using System.Resources;
+
+
+namespace EduNetworkBuilder
+{
+    public partial class LinkEditor : Form
+    {
+        NetworkDevice Source=null;
+        NetworkDevice Dest=null;
+        bool processing = false;
+        List<string> UsedLinks = new List<string>();
+
+        public LinkEditor(NetworkDevice Src, NetworkDevice Dst)
+        {
+            Network Net = NB.GetNetwork();
+            InitializeComponent();
+            LanguagifyComponents();
+            Source = Src;
+            if (Source != Dst)
+            {
+                Dest = Dst;
+            }
+            UsedLinks.AddRange(Net.UnavailableNics());
+
+            UpdateDeviceList();
+            //The first time, we change the selections to the source and dest, if we had drug a line
+            int tindex;
+            if(Source != null)
+            {
+                tindex = lbSrcHost.Items.IndexOf(Source.hostname);
+                if (tindex >= 0)
+                {
+                    lbSrcHost.SelectedIndex = tindex;
+                    UpdateDeviceList();
+                }
+            }
+            if (Dest != null)
+            {
+                tindex = lbDstHost.Items.IndexOf(Dest.hostname);
+                if (tindex >= 0)
+                {
+                    lbDstHost.SelectedIndex = tindex;
+                    UpdateDeviceList();
+                }
+            }
+        }
+
+        private void LanguagifyComponents()
+        {
+            ResourceManager RM = NB.GetResource();
+            CultureInfo CI = NB.GetCulture();
+            Text = RM.GetString("LE_btnLink", CI);
+            Text = RM.GetString("LE_btnCancel", CI);
+            Text = RM.GetString("LE_Form", CI);
+        }
+
+
+        private void UpdateDeviceList()
+        {
+            processing = true;
+            Network myNet = NB.GetNetwork();
+            string SrcHost="";
+            if (lbSrcHost.SelectedItem != null)
+                SrcHost = lbSrcHost.SelectedItem.ToString();
+            string DstHost="";
+            if (lbDstHost.SelectedItem != null)
+                DstHost = lbDstHost.SelectedItem.ToString();
+            string SrcNic = "";
+            if (lbSrcNic.SelectedItem != null)
+                SrcNic = lbSrcNic.SelectedItem.ToString();
+            string DstNic = "";
+            if (lbDstNic.SelectedItem != null)
+                DstNic = lbDstNic.SelectedItem.ToString();
+            string theLinkType = LinkType.normal.ToString();
+            if (cbLinkType.SelectedItem != null)
+                theLinkType = cbLinkType.SelectedItem.ToString();
+            int ChosenSrcHost = lbSrcHost.SelectedIndex;
+            int ChosenDstHost = lbDstHost.SelectedIndex;
+            int tint;
+            lbSrcHost.Items.Clear();
+            myNet.SortNetComponents(); //just so we have them in order
+            List<string> srcHostnames = myNet.GetHostnames();
+            List<string> dstHostnames = myNet.GetHostnames();
+            foreach(string tString in srcHostnames)
+            {
+                lbSrcHost.Items.Add(tString);
+            }
+            if (ChosenSrcHost >= 0)
+            {
+                ChosenSrcHost = lbSrcHost.Items.IndexOf(SrcHost);
+                lbSrcHost.SelectedIndex = ChosenSrcHost;
+            }
+
+            lbSrcNic.Items.Clear();
+            //List the Nics of the selected host
+            if (lbSrcHost.SelectedIndex >= 0)
+            {
+                List<string> srcNics = myNet.NetworkCardForHostList(lbSrcHost.SelectedItem.ToString(),true,true);
+                foreach (string tString in srcNics)
+                {
+                    lbSrcNic.Items.Add(tString);
+                }
+            }
+
+            lbDstHost.Items.Clear();
+            foreach (string tString in dstHostnames)
+            {
+                lbDstHost.Items.Add(tString);
+            }
+            if (ChosenDstHost >= 0)
+            {
+                ChosenDstHost = lbDstHost.Items.IndexOf(DstHost);
+                if(ChosenDstHost >= 0)
+                    lbDstHost.SelectedIndex = ChosenDstHost;
+            }
+
+            //We cannot link to ourselves.  Remove the source from the dest list
+            if (lbSrcHost.SelectedIndex >= 0)
+            {
+                int delindex = lbDstHost.Items.IndexOf(lbSrcHost.SelectedItem.ToString());
+                if (delindex >= 0)
+                    lbDstHost.Items.RemoveAt(delindex);
+            }
+
+
+            //remove the dst nic lst
+            lbDstNic.Items.Clear();
+            if (lbDstHost.SelectedIndex >= 0)
+            {
+                List<string> dstNics = myNet.NetworkCardForHostList(lbDstHost.SelectedItem.ToString(),true,true);
+                foreach (string tString in dstNics)
+                {
+                    lbDstNic.Items.Add(tString);
+                }
+            }
+
+            if (SrcNic != "")
+            {
+                tint = lbSrcNic.Items.IndexOf(SrcNic);
+                if (tint != -1)
+                    lbSrcNic.SelectedIndex = tint;
+            }
+            if (DstNic != "")
+            {
+                tint = lbDstNic.Items.IndexOf(DstNic);
+                if (tint != -1)
+                    lbDstNic.SelectedIndex = tint;
+            }
+
+            if(lbDstNic.SelectedIndex > -1 && lbSrcNic.SelectedIndex > -1)
+            {
+                btnLink.Enabled = true;
+            }
+            else
+            {
+                btnLink.Enabled = false;
+            }
+            if (Regex.IsMatch(SrcNic, "^wport") || Regex.IsMatch(SrcNic, "^wlan"))
+            {
+                //It is a wireless nic.
+                cbLinkType.Items.Clear();
+                cbLinkType.Items.Add(LinkType.wireless.ToString());
+                cbLinkType.Enabled = false;
+            }
+            else
+            {
+                cbLinkType.Items.Clear();
+                cbLinkType.Items.Add(LinkType.normal.ToString());
+                cbLinkType.Items.Add(LinkType.broken.ToString());
+                cbLinkType.Enabled = true;  
+            }
+            if (cbLinkType.Items.Contains(theLinkType))
+                cbLinkType.SelectedItem = theLinkType;
+            else
+                cbLinkType.SelectedIndex = 0;
+            processing = false;
+        }
+
+        private void btnLink_Click(object sender, EventArgs e)
+        {
+            Network Net = NB.GetNetwork();
+            NetworkDevice Src = Net.ItemFromName(lbSrcHost.SelectedItem.ToString());
+            int sNicIndex = lbSrcNic.SelectedIndex;
+            NetworkCard sNic = Src.NicFromName(lbSrcNic.SelectedItem.ToString());
+            NetworkDevice Dst = Net.ItemFromName(lbDstHost.SelectedItem.ToString());
+            int dNicIndex = lbDstNic.SelectedIndex;
+            NetworkCard dNic = Dst.NicFromName(lbDstNic.SelectedItem.ToString());
+            LinkType LT = NB.ParseEnum<LinkType>(cbLinkType.SelectedItem.ToString());
+            NetworkLink newLink = new NetworkLink(sNic.myID, dNic.myID, LT);
+            Net.AddItem(newLink);
+            Close();
+        }
+
+        private void lbSrcHost_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            if(!processing)
+                UpdateDeviceList();
+        }
+
+        private void lbDstHost_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            if (!processing)
+                UpdateDeviceList();
+        }
+
+        private void lbSrcNic_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            if (!processing)
+                UpdateDeviceList();
+        }
+
+        private void lbDstNic_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            if (!processing)
+                UpdateDeviceList();
+        }
+
+        private void btnCancel_Click(object sender, EventArgs e)
+        {
+            Close();
+        }
+    }
+}
\ No newline at end of file
diff --git a/EduNetworkBuilder/LinkEditor.resx b/EduNetworkBuilder/LinkEditor.resx
new file mode 100644
index 0000000..1af7de1
--- /dev/null
+++ b/EduNetworkBuilder/LinkEditor.resx
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/ListBoxWindow.Designer.cs b/EduNetworkBuilder/ListBoxWindow.Designer.cs
new file mode 100644
index 0000000..b816f86
--- /dev/null
+++ b/EduNetworkBuilder/ListBoxWindow.Designer.cs
@@ -0,0 +1,149 @@
+namespace EduNetworkBuilder
+{
+    partial class ListBoxWindow
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.lbWindowData = new System.Windows.Forms.ListBox();
+            this.btnOK = new System.Windows.Forms.Button();
+            this.panelCheckboxes = new System.Windows.Forms.Panel();
+            this.lblInstructions = new System.Windows.Forms.Label();
+            this.btnAdd = new System.Windows.Forms.Button();
+            this.cbLoadPuzzlesAtStart = new System.Windows.Forms.CheckBox();
+            this.btnReset = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // lbWindowData
+            // 
+            this.lbWindowData.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.lbWindowData.FormattingEnabled = true;
+            this.lbWindowData.ItemHeight = 16;
+            this.lbWindowData.Location = new System.Drawing.Point(12, 12);
+            this.lbWindowData.Name = "lbWindowData";
+            this.lbWindowData.ScrollAlwaysVisible = true;
+            this.lbWindowData.Size = new System.Drawing.Size(575, 180);
+            this.lbWindowData.TabIndex = 0;
+            this.lbWindowData.DoubleClick += new System.EventHandler(this.lbWindowData_DoubleClick);
+            this.lbWindowData.MouseUp += new System.Windows.Forms.MouseEventHandler(this.lbWindowData_MouseUp);
+            // 
+            // btnOK
+            // 
+            this.btnOK.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnOK.Location = new System.Drawing.Point(512, 334);
+            this.btnOK.Name = "btnOK";
+            this.btnOK.Size = new System.Drawing.Size(75, 23);
+            this.btnOK.TabIndex = 1;
+            this.btnOK.Text = "OK";
+            this.btnOK.UseVisualStyleBackColor = true;
+            this.btnOK.Click += new System.EventHandler(this.btnOK_Click);
+            // 
+            // panelCheckboxes
+            // 
+            this.panelCheckboxes.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelCheckboxes.Location = new System.Drawing.Point(15, 236);
+            this.panelCheckboxes.Name = "panelCheckboxes";
+            this.panelCheckboxes.Size = new System.Drawing.Size(491, 121);
+            this.panelCheckboxes.TabIndex = 2;
+            // 
+            // lblInstructions
+            // 
+            this.lblInstructions.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.lblInstructions.Location = new System.Drawing.Point(12, 195);
+            this.lblInstructions.Name = "lblInstructions";
+            this.lblInstructions.Size = new System.Drawing.Size(576, 38);
+            this.lblInstructions.TabIndex = 3;
+            this.lblInstructions.Text = "label1";
+            // 
+            // btnAdd
+            // 
+            this.btnAdd.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnAdd.Location = new System.Drawing.Point(512, 305);
+            this.btnAdd.Name = "btnAdd";
+            this.btnAdd.Size = new System.Drawing.Size(75, 23);
+            this.btnAdd.TabIndex = 4;
+            this.btnAdd.Text = "New";
+            this.btnAdd.UseVisualStyleBackColor = true;
+            this.btnAdd.Click += new System.EventHandler(this.btnAdd_Click);
+            // 
+            // cbLoadPuzzlesAtStart
+            // 
+            this.cbLoadPuzzlesAtStart.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.cbLoadPuzzlesAtStart.AutoSize = true;
+            this.cbLoadPuzzlesAtStart.Location = new System.Drawing.Point(17, 358);
+            this.cbLoadPuzzlesAtStart.Name = "cbLoadPuzzlesAtStart";
+            this.cbLoadPuzzlesAtStart.Size = new System.Drawing.Size(138, 21);
+            this.cbLoadPuzzlesAtStart.TabIndex = 5;
+            this.cbLoadPuzzlesAtStart.Text = "Show this at start";
+            this.cbLoadPuzzlesAtStart.UseVisualStyleBackColor = true;
+            // 
+            // btnReset
+            // 
+            this.btnReset.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnReset.Location = new System.Drawing.Point(512, 276);
+            this.btnReset.Name = "btnReset";
+            this.btnReset.Size = new System.Drawing.Size(75, 23);
+            this.btnReset.TabIndex = 6;
+            this.btnReset.Text = "Reset";
+            this.btnReset.UseVisualStyleBackColor = true;
+            this.btnReset.Click += new System.EventHandler(this.btnReset_Click);
+            // 
+            // ListBoxWindow
+            // 
+            this.AcceptButton = this.btnOK;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(601, 381);
+            this.Controls.Add(this.cbLoadPuzzlesAtStart);
+            this.Controls.Add(this.btnReset);
+            this.Controls.Add(this.btnAdd);
+            this.Controls.Add(this.lblInstructions);
+            this.Controls.Add(this.panelCheckboxes);
+            this.Controls.Add(this.btnOK);
+            this.Controls.Add(this.lbWindowData);
+            this.Icon = global::EduNetworkBuilder.Properties.Resources.NBIco;
+            this.Name = "ListBoxWindow";
+            this.Text = "ListBoxWindow";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.ListBox lbWindowData;
+        private System.Windows.Forms.Button btnOK;
+        private System.Windows.Forms.Panel panelCheckboxes;
+        private System.Windows.Forms.Label lblInstructions;
+        private System.Windows.Forms.Button btnAdd;
+        private System.Windows.Forms.CheckBox cbLoadPuzzlesAtStart;
+        private System.Windows.Forms.Button btnReset;
+    }
+}
\ No newline at end of file
diff --git a/EduNetworkBuilder/ListBoxWindow.resx b/EduNetworkBuilder/ListBoxWindow.resx
new file mode 100644
index 0000000..1af7de1
--- /dev/null
+++ b/EduNetworkBuilder/ListBoxWindow.resx
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/NetTestEditor.Designer.cs b/EduNetworkBuilder/NetTestEditor.Designer.cs
new file mode 100644
index 0000000..e7e7dcb
--- /dev/null
+++ b/EduNetworkBuilder/NetTestEditor.Designer.cs
@@ -0,0 +1,155 @@
+namespace EduNetworkBuilder
+{
+    partial class NetTestEditor
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(NetTestEditor));
+            this.cbSource = new System.Windows.Forms.ComboBox();
+            this.cbTest = new System.Windows.Forms.ComboBox();
+            this.cbDest = new System.Windows.Forms.ComboBox();
+            this.lblSource = new System.Windows.Forms.Label();
+            this.lblTest = new System.Windows.Forms.Label();
+            this.lblDest = new System.Windows.Forms.Label();
+            this.btnOK = new System.Windows.Forms.Button();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // cbSource
+            // 
+            this.cbSource.FormattingEnabled = true;
+            this.cbSource.Location = new System.Drawing.Point(12, 32);
+            this.cbSource.Name = "cbSource";
+            this.cbSource.Size = new System.Drawing.Size(121, 24);
+            this.cbSource.TabIndex = 0;
+            this.cbSource.SelectedValueChanged += new System.EventHandler(this.cbSource_SelectedValueChanged);
+            // 
+            // cbTest
+            // 
+            this.cbTest.FormattingEnabled = true;
+            this.cbTest.Location = new System.Drawing.Point(139, 32);
+            this.cbTest.Name = "cbTest";
+            this.cbTest.Size = new System.Drawing.Size(175, 24);
+            this.cbTest.TabIndex = 1;
+            this.cbTest.SelectedValueChanged += new System.EventHandler(this.cbTest_SelectedValueChanged);
+            // 
+            // cbDest
+            // 
+            this.cbDest.FormattingEnabled = true;
+            this.cbDest.Location = new System.Drawing.Point(320, 32);
+            this.cbDest.Name = "cbDest";
+            this.cbDest.Size = new System.Drawing.Size(121, 24);
+            this.cbDest.TabIndex = 2;
+            this.cbDest.SelectedValueChanged += new System.EventHandler(this.cbDest_SelectedValueChanged);
+            // 
+            // lblSource
+            // 
+            this.lblSource.AutoSize = true;
+            this.lblSource.Location = new System.Drawing.Point(16, 13);
+            this.lblSource.Name = "lblSource";
+            this.lblSource.Size = new System.Drawing.Size(86, 17);
+            this.lblSource.TabIndex = 3;
+            this.lblSource.Text = "Source Host";
+            // 
+            // lblTest
+            // 
+            this.lblTest.AutoSize = true;
+            this.lblTest.Location = new System.Drawing.Point(141, 14);
+            this.lblTest.Name = "lblTest";
+            this.lblTest.Size = new System.Drawing.Size(36, 17);
+            this.lblTest.TabIndex = 4;
+            this.lblTest.Text = "Test";
+            // 
+            // lblDest
+            // 
+            this.lblDest.AutoSize = true;
+            this.lblDest.Location = new System.Drawing.Point(317, 12);
+            this.lblDest.Name = "lblDest";
+            this.lblDest.Size = new System.Drawing.Size(70, 17);
+            this.lblDest.TabIndex = 5;
+            this.lblDest.Text = "Dest Host";
+            // 
+            // btnOK
+            // 
+            this.btnOK.Location = new System.Drawing.Point(366, 62);
+            this.btnOK.Name = "btnOK";
+            this.btnOK.Size = new System.Drawing.Size(75, 23);
+            this.btnOK.TabIndex = 6;
+            this.btnOK.Text = "Done";
+            this.btnOK.UseVisualStyleBackColor = true;
+            this.btnOK.Click += new System.EventHandler(this.btnOK_Click);
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
+            this.btnCancel.Location = new System.Drawing.Point(285, 62);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Size = new System.Drawing.Size(75, 23);
+            this.btnCancel.TabIndex = 7;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // NetTestEditor
+            // 
+            this.AcceptButton = this.btnOK;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.CancelButton = this.btnCancel;
+            this.ClientSize = new System.Drawing.Size(450, 96);
+            this.Controls.Add(this.btnCancel);
+            this.Controls.Add(this.btnOK);
+            this.Controls.Add(this.lblDest);
+            this.Controls.Add(this.lblTest);
+            this.Controls.Add(this.lblSource);
+            this.Controls.Add(this.cbDest);
+            this.Controls.Add(this.cbTest);
+            this.Controls.Add(this.cbSource);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
+            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
+            this.MaximizeBox = false;
+            this.MinimizeBox = false;
+            this.Name = "NetTestEditor";
+            this.Text = "Edit a Test";
+            this.Load += new System.EventHandler(this.NetTestEditor_Load);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.ComboBox cbSource;
+        private System.Windows.Forms.ComboBox cbTest;
+        private System.Windows.Forms.ComboBox cbDest;
+        private System.Windows.Forms.Label lblSource;
+        private System.Windows.Forms.Label lblTest;
+        private System.Windows.Forms.Label lblDest;
+        private System.Windows.Forms.Button btnOK;
+        private System.Windows.Forms.Button btnCancel;
+    }
+}
\ No newline at end of file
diff --git a/EduNetworkBuilder/NetTestEditor.resx b/EduNetworkBuilder/NetTestEditor.resx
new file mode 100644
index 0000000..19d58c5
--- /dev/null
+++ b/EduNetworkBuilder/NetTestEditor.resx
@@ -0,0 +1,827 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+  <data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+    <value>
+        AAABAAEAZWQAAAEAIAA4pAAAFgAAACgAAABlAAAAyAAAAAEAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACzSIyos0iNzLNIjtyzS
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+        I/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iPWLNIjlyzSI04s0iMDAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAD///8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAALNIjRyzSI6Ys0iP6LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzS
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+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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+        I/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iOGAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD///8WAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAALNIjCizSI+Ms0iP/LNIj/yzSI/8s0iP/LNIj/yzS
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+        I/4s0iP/LNIjawAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAP///xYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAACzSI6ws0iP/LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzS
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+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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+        L///////leiQ/yzSI/8s0iP/LNIj/yzSI90s0iMPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD///8WAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACzS
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+        I/8s0iOJAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP///xYAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAs0iOMLNIj/yzS
+        I/4s0iP/LNIj/yzSI/8s0iP/LNIj/2feYf9Anjv/ZMRf/0XXPf8s0iP/LNIj/yzSI/8s0iP/LNIj/yzS
+        I/8s0iP/LNIj/yzSI/9Z21L/0PXO////////////////////////////////////////////////////
+        //////////////////////////////////////////////////+8vLz/wcHB////////////////////
+        /////////////////////////////////////////////5vpl/8s0iPqLNIjLAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAA////FgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAs0iMjLNIj1SzSI/8s0iP+LNIj/yzS
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+        I/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzS
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+        I/8s0iP/LNIj/yzSI/8s0iP/LNIjfQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAD///8WAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAALNIjVizSI/Is0iP/LNIj/2feYf8nhSL/fN13/znU
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+        IwwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP///xYAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAACzSI2os0iPzTLpG/1KwTf5n3mH/LNIj/yzSI/8s0iP/LNIj/yzS
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+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA////FgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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+        I/8s0iP/LNIjlyzSIxcAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAD///8WAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAP//
+        /xYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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+        I/4s0iP/LNIj/yzSI88s0iN3LNIjGAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA////FwAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACzS
+        Iyos0iNzLNIjtyzSI/Us0iP/LNIj/yzSI/8s0iP+LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzS
+        I/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iPWLNIjlyzSI04s0iMDAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACzS
+        Iw4s0iNALNIjbCzSI5Qs0iO1LNIj0izSI+gs0iP6LNIj/yzSI/8s0iP/LNIj/yzSI/8s0iPyLNIj3izS
+        I8Qs0iOlLNIjgSzSI1Ys0iMoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
+        AAAAAAAAAAAAAAAAAAAAAAAAAAAAAP////////////////gAAAD//////4AA///////4AAAA//////AA
+        AAf/////+AAAAP////8AAAAA//////gAAAD////4AAAAAB/////4AAAA////4AAAAAAD////+AAAAP//
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+        P//4AAAA//gAAAAAAAAAAA//+AAAAP/wAAAAAAAAAAAH//gAAAD/4AAAAAAAAAAAA//4AAAA/8AAAAAA
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+        AADwAAAAAAAAAAAAAA/4AAAA4AAAAAAAAAAAAAAH+AAAAOAAAAAAAAAAAAAAA/gAAADAAAAAAAAAAAAA
+        AAP4AAAAwAAAAAAAAAAAAAAB+AAAAIAAAAAAAAAAAAAAAfgAAACAAAAAAAAAAAAAAAD4AAAAAAAAAAAA
+        AAAAAAAA+AAAAAAAAAAAAAAAAAAAAPgAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAAAAAAAAAAAAeAAAAAAA
+        AAAAAAAAAAAAAHgAAAAAAAAAAAAAAAAAAAA4AAAAAAAAAAAAAAAAAAAAOAAAAAAAAAAAAAAAAAAAADgA
+        AAAAAAAAAAAAAAAAAAA4AAAAAAAAAAAAAAAAAAAAOAAAAAAAAAAAAAAAAAAAABgAAAAAAAAAAAAAAAAA
+        AAAYAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAAAAAAAAAAABgAAAAAAAAAAAAAAAAAAAAYAAAAAAAAAAAA
+        AAAAAAAAGAAAAAAAAAAAAAAAAAAAABgAAAAAAAAAAAAAAAAAAAAYAAAAAAAAAAAAAAAAAAAAGAAAAAAA
+        AAAAAAAAAAAAABgAAAAAAAAAAAAAAAAAAAAYAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAAAAAAAAAAABgA
+        AAAAAAAAAAAAAAAAAAAYAAAAAAAAAAAAAAAAAAAAOAAAAAAAAAAAAAAAAAAAADgAAAAAAAAAAAAAAAAA
+        AAA4AAAAAAAAAAAAAAAAAAAAOAAAAAAAAAAAAAAAAAAAADgAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAAAA
+        AAAAAAAAeAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAAAAAAAAAAAD4AAAAAAAAAAAAAAAAAAAA+AAAAIAA
+        AAAAAAAAAAAAAPgAAACAAAAAAAAAAAAAAAH4AAAAwAAAAAAAAAAAAAAB+AAAAMAAAAAAAAAAAAAAA/gA
+        AADgAAAAAAAAAAAAAAP4AAAA4AAAAAAAAAAAAAAH+AAAAPAAAAAAAAAAAAAAD/gAAAD4AAAAAAAAAAAA
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+        AAAAAAB/+AAAAP8AAAAAAAAAAAAA//gAAAD/gAAAAAAAAAAAAf/4AAAA/8AAAAAAAAAAAAH/+AAAAP/g
+        AAAAAAAAAAAD//gAAAD/8AAAAAAAAAAAB//4AAAA//gAAAAAAAAAAA//+AAAAP/8AAAAAAAAAAA///gA
+        AAD//gAAAAAAAAAAf//4AAAA//+AAAAAAAAAAP//+AAAAP//wAAAAAAAAAH///gAAAD//+AAAAAAAAAH
+        ///4AAAA///4AAAAAAAAH///+AAAAP///gAAAAAAAD////gAAAD///+AAAAAAAD////4AAAA////4AAA
+        AAAD////+AAAAP////gAAAAAH/////gAAAD/////AAAAAP/////4AAAA//////AAAAf/////+AAAAP//
+        ////gAD///////gAAAD////////////////4AAAA////////////////+AAAAP////////////////gA
+        AAA=
+</value>
+  </data>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/NetworkBuilder.Designer.cs b/EduNetworkBuilder/NetworkBuilder.Designer.cs
new file mode 100644
index 0000000..ec27de7
--- /dev/null
+++ b/EduNetworkBuilder/NetworkBuilder.Designer.cs
@@ -0,0 +1,609 @@
+namespace EduNetworkBuilder
+{
+    partial class BuilderWindow
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.msMainMenuStrip = new System.Windows.Forms.MenuStrip();
+            this.fileToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.newToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.loadToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.reloadToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.saveToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.exitToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.editToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.cutToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.copyToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.pasteToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.undoToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.optionsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.allToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.dHCPRequestToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.clearArpTableToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.clearIPsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.pingToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.helpToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.helpToolStripMenuItem1 = new System.Windows.Forms.ToolStripMenuItem();
+            this.aboutToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.releaseNotesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.checkForUpdatesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.samplesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.puzzlesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.solvedToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.dHCPToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.oneNetworkToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.twoNetworksToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.threeNetworksToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.firewallsToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.toSolveToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.solvedDHCPToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.solvedOneNetworkToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.solvedTwoNetworksToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.SolvedThreeNetworksToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.firewallsToolStripMenuItem1 = new System.Windows.Forms.ToolStripMenuItem();
+            this.panelChoices = new System.Windows.Forms.Panel();
+            this.lbMessages = new System.Windows.Forms.ListBox();
+            this.lblStatus = new System.Windows.Forms.Label();
+            this.pbNetworkView = new System.Windows.Forms.PictureBox();
+            this.btnHelp = new System.Windows.Forms.Button();
+            this.rbHelp4 = new System.Windows.Forms.RadioButton();
+            this.rbHelp3 = new System.Windows.Forms.RadioButton();
+            this.rbHelp2 = new System.Windows.Forms.RadioButton();
+            this.rbHelp1 = new System.Windows.Forms.RadioButton();
+            this.HelpPanel = new System.Windows.Forms.Panel();
+            this.myProgressBar = new System.Windows.Forms.ProgressBar();
+            this.changeLanguageToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.msMainMenuStrip.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.pbNetworkView)).BeginInit();
+            this.HelpPanel.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // msMainMenuStrip
+            // 
+            this.msMainMenuStrip.ImageScalingSize = new System.Drawing.Size(20, 20);
+            this.msMainMenuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.fileToolStripMenuItem,
+            this.editToolStripMenuItem,
+            this.allToolStripMenuItem,
+            this.helpToolStripMenuItem,
+            this.samplesToolStripMenuItem});
+            this.msMainMenuStrip.Location = new System.Drawing.Point(0, 0);
+            this.msMainMenuStrip.Name = "msMainMenuStrip";
+            this.msMainMenuStrip.Padding = new System.Windows.Forms.Padding(4, 2, 0, 2);
+            this.msMainMenuStrip.Size = new System.Drawing.Size(463, 24);
+            this.msMainMenuStrip.TabIndex = 0;
+            this.msMainMenuStrip.Text = "msMainMenuStrip";
+            // 
+            // fileToolStripMenuItem
+            // 
+            this.fileToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.newToolStripMenuItem,
+            this.loadToolStripMenuItem,
+            this.reloadToolStripMenuItem,
+            this.saveToolStripMenuItem,
+            this.exitToolStripMenuItem});
+            this.fileToolStripMenuItem.Name = "fileToolStripMenuItem";
+            this.fileToolStripMenuItem.Size = new System.Drawing.Size(37, 20);
+            this.fileToolStripMenuItem.Text = "File";
+            // 
+            // newToolStripMenuItem
+            // 
+            this.newToolStripMenuItem.Name = "newToolStripMenuItem";
+            this.newToolStripMenuItem.Size = new System.Drawing.Size(110, 22);
+            this.newToolStripMenuItem.Text = "New";
+            this.newToolStripMenuItem.Click += new System.EventHandler(this.newToolStripMenuItem_Click);
+            // 
+            // loadToolStripMenuItem
+            // 
+            this.loadToolStripMenuItem.Name = "loadToolStripMenuItem";
+            this.loadToolStripMenuItem.Size = new System.Drawing.Size(110, 22);
+            this.loadToolStripMenuItem.Text = "Load";
+            this.loadToolStripMenuItem.Click += new System.EventHandler(this.loadToolStripMenuItem_Click);
+            // 
+            // reloadToolStripMenuItem
+            // 
+            this.reloadToolStripMenuItem.Name = "reloadToolStripMenuItem";
+            this.reloadToolStripMenuItem.Size = new System.Drawing.Size(110, 22);
+            this.reloadToolStripMenuItem.Text = "Reload";
+            this.reloadToolStripMenuItem.Click += new System.EventHandler(this.reloadToolStripMenuItem_Click);
+            // 
+            // saveToolStripMenuItem
+            // 
+            this.saveToolStripMenuItem.Name = "saveToolStripMenuItem";
+            this.saveToolStripMenuItem.Size = new System.Drawing.Size(110, 22);
+            this.saveToolStripMenuItem.Text = "Save";
+            this.saveToolStripMenuItem.Click += new System.EventHandler(this.saveToolStripMenuItem_Click);
+            // 
+            // exitToolStripMenuItem
+            // 
+            this.exitToolStripMenuItem.Name = "exitToolStripMenuItem";
+            this.exitToolStripMenuItem.Size = new System.Drawing.Size(110, 22);
+            this.exitToolStripMenuItem.Text = "Exit";
+            this.exitToolStripMenuItem.Click += new System.EventHandler(this.exitToolStripMenuItem_Click);
+            // 
+            // editToolStripMenuItem
+            // 
+            this.editToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.cutToolStripMenuItem,
+            this.copyToolStripMenuItem,
+            this.pasteToolStripMenuItem,
+            this.undoToolStripMenuItem,
+            this.optionsToolStripMenuItem,
+            this.changeLanguageToolStripMenuItem});
+            this.editToolStripMenuItem.Name = "editToolStripMenuItem";
+            this.editToolStripMenuItem.Size = new System.Drawing.Size(39, 20);
+            this.editToolStripMenuItem.Text = "Edit";
+            // 
+            // cutToolStripMenuItem
+            // 
+            this.cutToolStripMenuItem.Name = "cutToolStripMenuItem";
+            this.cutToolStripMenuItem.Size = new System.Drawing.Size(170, 22);
+            this.cutToolStripMenuItem.Text = "Cut";
+            // 
+            // copyToolStripMenuItem
+            // 
+            this.copyToolStripMenuItem.Name = "copyToolStripMenuItem";
+            this.copyToolStripMenuItem.Size = new System.Drawing.Size(170, 22);
+            this.copyToolStripMenuItem.Text = "Copy";
+            // 
+            // pasteToolStripMenuItem
+            // 
+            this.pasteToolStripMenuItem.Name = "pasteToolStripMenuItem";
+            this.pasteToolStripMenuItem.Size = new System.Drawing.Size(170, 22);
+            this.pasteToolStripMenuItem.Text = "Paste";
+            // 
+            // undoToolStripMenuItem
+            // 
+            this.undoToolStripMenuItem.Name = "undoToolStripMenuItem";
+            this.undoToolStripMenuItem.Size = new System.Drawing.Size(170, 22);
+            this.undoToolStripMenuItem.Text = "Undo";
+            // 
+            // optionsToolStripMenuItem
+            // 
+            this.optionsToolStripMenuItem.Name = "optionsToolStripMenuItem";
+            this.optionsToolStripMenuItem.Size = new System.Drawing.Size(170, 22);
+            this.optionsToolStripMenuItem.Text = "Options";
+            this.optionsToolStripMenuItem.Click += new System.EventHandler(this.optionsToolStripMenuItem_Click);
+            // 
+            // allToolStripMenuItem
+            // 
+            this.allToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.dHCPRequestToolStripMenuItem,
+            this.clearArpTableToolStripMenuItem,
+            this.clearIPsToolStripMenuItem,
+            this.pingToolStripMenuItem});
+            this.allToolStripMenuItem.Name = "allToolStripMenuItem";
+            this.allToolStripMenuItem.Size = new System.Drawing.Size(33, 20);
+            this.allToolStripMenuItem.Text = "All";
+            // 
+            // dHCPRequestToolStripMenuItem
+            // 
+            this.dHCPRequestToolStripMenuItem.Name = "dHCPRequestToolStripMenuItem";
+            this.dHCPRequestToolStripMenuItem.Size = new System.Drawing.Size(155, 22);
+            this.dHCPRequestToolStripMenuItem.Text = "DHCP Request";
+            this.dHCPRequestToolStripMenuItem.Click += new System.EventHandler(this.dHCPRequestToolStripMenuItem_Click);
+            // 
+            // clearArpTableToolStripMenuItem
+            // 
+            this.clearArpTableToolStripMenuItem.Name = "clearArpTableToolStripMenuItem";
+            this.clearArpTableToolStripMenuItem.Size = new System.Drawing.Size(155, 22);
+            this.clearArpTableToolStripMenuItem.Text = "Clear Arp Table";
+            this.clearArpTableToolStripMenuItem.Click += new System.EventHandler(this.clearArpTableToolStripMenuItem_Click);
+            // 
+            // clearIPsToolStripMenuItem
+            // 
+            this.clearIPsToolStripMenuItem.Name = "clearIPsToolStripMenuItem";
+            this.clearIPsToolStripMenuItem.Size = new System.Drawing.Size(155, 22);
+            this.clearIPsToolStripMenuItem.Text = "Clear IPs";
+            this.clearIPsToolStripMenuItem.Click += new System.EventHandler(this.clearIPsToolStripMenuItem_Click);
+            // 
+            // pingToolStripMenuItem
+            // 
+            this.pingToolStripMenuItem.Name = "pingToolStripMenuItem";
+            this.pingToolStripMenuItem.Size = new System.Drawing.Size(155, 22);
+            this.pingToolStripMenuItem.Text = "Ping";
+            this.pingToolStripMenuItem.Click += new System.EventHandler(this.pingToolStripMenuItem_Click);
+            // 
+            // helpToolStripMenuItem
+            // 
+            this.helpToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.helpToolStripMenuItem1,
+            this.aboutToolStripMenuItem,
+            this.releaseNotesToolStripMenuItem,
+            this.checkForUpdatesToolStripMenuItem});
+            this.helpToolStripMenuItem.Name = "helpToolStripMenuItem";
+            this.helpToolStripMenuItem.Size = new System.Drawing.Size(44, 20);
+            this.helpToolStripMenuItem.Text = "Help";
+            // 
+            // helpToolStripMenuItem1
+            // 
+            this.helpToolStripMenuItem1.Name = "helpToolStripMenuItem1";
+            this.helpToolStripMenuItem1.Size = new System.Drawing.Size(173, 22);
+            this.helpToolStripMenuItem1.Text = "Help";
+            this.helpToolStripMenuItem1.Click += new System.EventHandler(this.helpToolStripMenuItem1_Click);
+            // 
+            // aboutToolStripMenuItem
+            // 
+            this.aboutToolStripMenuItem.Name = "aboutToolStripMenuItem";
+            this.aboutToolStripMenuItem.Size = new System.Drawing.Size(173, 22);
+            this.aboutToolStripMenuItem.Text = "About";
+            this.aboutToolStripMenuItem.Click += new System.EventHandler(this.aboutToolStripMenuItem_Click);
+            // 
+            // releaseNotesToolStripMenuItem
+            // 
+            this.releaseNotesToolStripMenuItem.Name = "releaseNotesToolStripMenuItem";
+            this.releaseNotesToolStripMenuItem.Size = new System.Drawing.Size(173, 22);
+            this.releaseNotesToolStripMenuItem.Text = "Release Notes";
+            this.releaseNotesToolStripMenuItem.Click += new System.EventHandler(this.releaseNotesToolStripMenuItem_Click);
+            // 
+            // checkForUpdatesToolStripMenuItem
+            // 
+            this.checkForUpdatesToolStripMenuItem.Name = "checkForUpdatesToolStripMenuItem";
+            this.checkForUpdatesToolStripMenuItem.Size = new System.Drawing.Size(173, 22);
+            this.checkForUpdatesToolStripMenuItem.Text = "Check For Updates";
+            // 
+            // samplesToolStripMenuItem
+            // 
+            this.samplesToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.puzzlesToolStripMenuItem,
+            this.solvedToolStripMenuItem,
+            this.toSolveToolStripMenuItem});
+            this.samplesToolStripMenuItem.Name = "samplesToolStripMenuItem";
+            this.samplesToolStripMenuItem.Size = new System.Drawing.Size(63, 20);
+            this.samplesToolStripMenuItem.Text = "Samples";
+            // 
+            // puzzlesToolStripMenuItem
+            // 
+            this.puzzlesToolStripMenuItem.Name = "puzzlesToolStripMenuItem";
+            this.puzzlesToolStripMenuItem.Size = new System.Drawing.Size(119, 22);
+            this.puzzlesToolStripMenuItem.Text = "Puzzles";
+            this.puzzlesToolStripMenuItem.Click += new System.EventHandler(this.puzzlesToolStripMenuItem_Click);
+            // 
+            // solvedToolStripMenuItem
+            // 
+            this.solvedToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.dHCPToolStripMenuItem,
+            this.oneNetworkToolStripMenuItem,
+            this.twoNetworksToolStripMenuItem,
+            this.threeNetworksToolStripMenuItem,
+            this.firewallsToolStripMenuItem});
+            this.solvedToolStripMenuItem.Name = "solvedToolStripMenuItem";
+            this.solvedToolStripMenuItem.Size = new System.Drawing.Size(119, 22);
+            this.solvedToolStripMenuItem.Text = "Solved";
+            // 
+            // dHCPToolStripMenuItem
+            // 
+            this.dHCPToolStripMenuItem.Name = "dHCPToolStripMenuItem";
+            this.dHCPToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.dHCPToolStripMenuItem.Text = "DHCP";
+            this.dHCPToolStripMenuItem.Click += new System.EventHandler(this.dHCPToolStripMenuItem_Click);
+            // 
+            // oneNetworkToolStripMenuItem
+            // 
+            this.oneNetworkToolStripMenuItem.Name = "oneNetworkToolStripMenuItem";
+            this.oneNetworkToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.oneNetworkToolStripMenuItem.Text = "One Network";
+            this.oneNetworkToolStripMenuItem.Click += new System.EventHandler(this.oneNetworkToolStripMenuItem_Click);
+            // 
+            // twoNetworksToolStripMenuItem
+            // 
+            this.twoNetworksToolStripMenuItem.Name = "twoNetworksToolStripMenuItem";
+            this.twoNetworksToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.twoNetworksToolStripMenuItem.Text = "Two Networks";
+            this.twoNetworksToolStripMenuItem.Click += new System.EventHandler(this.twoNetworksToolStripMenuItem_Click);
+            // 
+            // threeNetworksToolStripMenuItem
+            // 
+            this.threeNetworksToolStripMenuItem.Name = "threeNetworksToolStripMenuItem";
+            this.threeNetworksToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.threeNetworksToolStripMenuItem.Text = "Three Networks";
+            this.threeNetworksToolStripMenuItem.Click += new System.EventHandler(this.threeNetworksToolStripMenuItem_Click);
+            // 
+            // firewallsToolStripMenuItem
+            // 
+            this.firewallsToolStripMenuItem.Name = "firewallsToolStripMenuItem";
+            this.firewallsToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.firewallsToolStripMenuItem.Text = "Firewalls";
+            this.firewallsToolStripMenuItem.Click += new System.EventHandler(this.firewallsToolStripMenuItem_Click);
+            // 
+            // toSolveToolStripMenuItem
+            // 
+            this.toSolveToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.solvedDHCPToolStripMenuItem,
+            this.solvedOneNetworkToolStripMenuItem,
+            this.solvedTwoNetworksToolStripMenuItem,
+            this.SolvedThreeNetworksToolStripMenuItem,
+            this.firewallsToolStripMenuItem1});
+            this.toSolveToolStripMenuItem.Name = "toSolveToolStripMenuItem";
+            this.toSolveToolStripMenuItem.Size = new System.Drawing.Size(119, 22);
+            this.toSolveToolStripMenuItem.Text = "To Solve";
+            // 
+            // solvedDHCPToolStripMenuItem
+            // 
+            this.solvedDHCPToolStripMenuItem.Name = "solvedDHCPToolStripMenuItem";
+            this.solvedDHCPToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.solvedDHCPToolStripMenuItem.Text = "DHCP";
+            this.solvedDHCPToolStripMenuItem.Click += new System.EventHandler(this.solvedDHCPToolStripMenuItem_Click);
+            // 
+            // solvedOneNetworkToolStripMenuItem
+            // 
+            this.solvedOneNetworkToolStripMenuItem.Name = "solvedOneNetworkToolStripMenuItem";
+            this.solvedOneNetworkToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.solvedOneNetworkToolStripMenuItem.Text = "One Network";
+            this.solvedOneNetworkToolStripMenuItem.Click += new System.EventHandler(this.solvedOneNetworkToolStripMenuItem_Click);
+            // 
+            // solvedTwoNetworksToolStripMenuItem
+            // 
+            this.solvedTwoNetworksToolStripMenuItem.Name = "solvedTwoNetworksToolStripMenuItem";
+            this.solvedTwoNetworksToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.solvedTwoNetworksToolStripMenuItem.Text = "Two Networks";
+            this.solvedTwoNetworksToolStripMenuItem.Click += new System.EventHandler(this.solvedTwoNetworksToolStripMenuItem_Click);
+            // 
+            // SolvedThreeNetworksToolStripMenuItem
+            // 
+            this.SolvedThreeNetworksToolStripMenuItem.Name = "SolvedThreeNetworksToolStripMenuItem";
+            this.SolvedThreeNetworksToolStripMenuItem.Size = new System.Drawing.Size(157, 22);
+            this.SolvedThreeNetworksToolStripMenuItem.Text = "Three Networks";
+            this.SolvedThreeNetworksToolStripMenuItem.Click += new System.EventHandler(this.SolvedThreeNetworksToolStripMenuItem_Click);
+            // 
+            // firewallsToolStripMenuItem1
+            // 
+            this.firewallsToolStripMenuItem1.Name = "firewallsToolStripMenuItem1";
+            this.firewallsToolStripMenuItem1.Size = new System.Drawing.Size(157, 22);
+            this.firewallsToolStripMenuItem1.Text = "Firewalls";
+            this.firewallsToolStripMenuItem1.Click += new System.EventHandler(this.firewallsToolStripMenuItem1_Click);
+            // 
+            // panelChoices
+            // 
+            this.panelChoices.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left)));
+            this.panelChoices.Location = new System.Drawing.Point(10, 25);
+            this.panelChoices.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.panelChoices.Name = "panelChoices";
+            this.panelChoices.Size = new System.Drawing.Size(59, 300);
+            this.panelChoices.TabIndex = 2;
+            // 
+            // lbMessages
+            // 
+            this.lbMessages.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.lbMessages.FormattingEnabled = true;
+            this.lbMessages.Location = new System.Drawing.Point(74, 331);
+            this.lbMessages.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.lbMessages.Name = "lbMessages";
+            this.lbMessages.Size = new System.Drawing.Size(366, 43);
+            this.lbMessages.TabIndex = 3;
+            this.lbMessages.DoubleClick += new System.EventHandler(this.lbMessages_DoubleClick);
+            // 
+            // lblStatus
+            // 
+            this.lblStatus.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.lblStatus.Location = new System.Drawing.Point(74, 374);
+            this.lblStatus.Margin = new System.Windows.Forms.Padding(2, 0, 2, 0);
+            this.lblStatus.Name = "lblStatus";
+            this.lblStatus.Size = new System.Drawing.Size(365, 14);
+            this.lblStatus.TabIndex = 4;
+            this.lblStatus.Text = "lblStatus";
+            this.lblStatus.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
+            // 
+            // pbNetworkView
+            // 
+            this.pbNetworkView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.pbNetworkView.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
+            this.pbNetworkView.Location = new System.Drawing.Point(74, 25);
+            this.pbNetworkView.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.pbNetworkView.Name = "pbNetworkView";
+            this.pbNetworkView.Size = new System.Drawing.Size(366, 300);
+            this.pbNetworkView.TabIndex = 1;
+            this.pbNetworkView.TabStop = false;
+            this.pbNetworkView.Paint += new System.Windows.Forms.PaintEventHandler(this.pbNetworkView_Paint);
+            this.pbNetworkView.DoubleClick += new System.EventHandler(this.pbNetworkView_DoubleClick);
+            this.pbNetworkView.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pbNetworkView_MouseDown);
+            this.pbNetworkView.MouseMove += new System.Windows.Forms.MouseEventHandler(this.pbNetworkView_MouseMove);
+            this.pbNetworkView.MouseUp += new System.Windows.Forms.MouseEventHandler(this.pbNetworkView_MouseUp);
+            // 
+            // btnHelp
+            // 
+            this.btnHelp.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnHelp.Location = new System.Drawing.Point(2, 2);
+            this.btnHelp.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.btnHelp.Name = "btnHelp";
+            this.btnHelp.Size = new System.Drawing.Size(21, 20);
+            this.btnHelp.TabIndex = 5;
+            this.btnHelp.Text = "?";
+            this.btnHelp.UseVisualStyleBackColor = true;
+            this.btnHelp.Click += new System.EventHandler(this.btnHelp_Click);
+            // 
+            // rbHelp4
+            // 
+            this.rbHelp4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.rbHelp4.AutoSize = true;
+            this.rbHelp4.Location = new System.Drawing.Point(8, 28);
+            this.rbHelp4.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.rbHelp4.Name = "rbHelp4";
+            this.rbHelp4.Size = new System.Drawing.Size(14, 13);
+            this.rbHelp4.TabIndex = 6;
+            this.rbHelp4.UseVisualStyleBackColor = true;
+            this.rbHelp4.CheckedChanged += new System.EventHandler(this.rbHelp4_CheckedChanged);
+            // 
+            // rbHelp3
+            // 
+            this.rbHelp3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.rbHelp3.AutoSize = true;
+            this.rbHelp3.Location = new System.Drawing.Point(8, 44);
+            this.rbHelp3.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.rbHelp3.Name = "rbHelp3";
+            this.rbHelp3.Size = new System.Drawing.Size(14, 13);
+            this.rbHelp3.TabIndex = 7;
+            this.rbHelp3.UseVisualStyleBackColor = true;
+            this.rbHelp3.CheckedChanged += new System.EventHandler(this.rbHelp3_CheckedChanged);
+            // 
+            // rbHelp2
+            // 
+            this.rbHelp2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.rbHelp2.AutoSize = true;
+            this.rbHelp2.Location = new System.Drawing.Point(8, 62);
+            this.rbHelp2.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.rbHelp2.Name = "rbHelp2";
+            this.rbHelp2.Size = new System.Drawing.Size(14, 13);
+            this.rbHelp2.TabIndex = 8;
+            this.rbHelp2.UseVisualStyleBackColor = true;
+            this.rbHelp2.CheckedChanged += new System.EventHandler(this.rbHelp2_CheckedChanged);
+            // 
+            // rbHelp1
+            // 
+            this.rbHelp1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.rbHelp1.AutoSize = true;
+            this.rbHelp1.Checked = true;
+            this.rbHelp1.Location = new System.Drawing.Point(8, 80);
+            this.rbHelp1.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.rbHelp1.Name = "rbHelp1";
+            this.rbHelp1.Size = new System.Drawing.Size(14, 13);
+            this.rbHelp1.TabIndex = 9;
+            this.rbHelp1.TabStop = true;
+            this.rbHelp1.UseVisualStyleBackColor = true;
+            this.rbHelp1.CheckedChanged += new System.EventHandler(this.rbHelp1_CheckedChanged);
+            // 
+            // HelpPanel
+            // 
+            this.HelpPanel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.HelpPanel.Controls.Add(this.rbHelp4);
+            this.HelpPanel.Controls.Add(this.btnHelp);
+            this.HelpPanel.Controls.Add(this.rbHelp1);
+            this.HelpPanel.Controls.Add(this.rbHelp3);
+            this.HelpPanel.Controls.Add(this.rbHelp2);
+            this.HelpPanel.Location = new System.Drawing.Point(438, 25);
+            this.HelpPanel.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.HelpPanel.Name = "HelpPanel";
+            this.HelpPanel.Size = new System.Drawing.Size(25, 98);
+            this.HelpPanel.TabIndex = 10;
+            // 
+            // myProgressBar
+            // 
+            this.myProgressBar.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.myProgressBar.Location = new System.Drawing.Point(10, 330);
+            this.myProgressBar.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.myProgressBar.Name = "myProgressBar";
+            this.myProgressBar.Size = new System.Drawing.Size(59, 19);
+            this.myProgressBar.Style = System.Windows.Forms.ProgressBarStyle.Continuous;
+            this.myProgressBar.TabIndex = 11;
+            // 
+            // changeLanguageToolStripMenuItem
+            // 
+            this.changeLanguageToolStripMenuItem.Name = "changeLanguageToolStripMenuItem";
+            this.changeLanguageToolStripMenuItem.Size = new System.Drawing.Size(170, 22);
+            this.changeLanguageToolStripMenuItem.Text = "Change Language";
+            this.changeLanguageToolStripMenuItem.Click += new System.EventHandler(this.changeLanguageToolStripMenuItem_Click);
+            // 
+            // BuilderWindow
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(463, 386);
+            this.Controls.Add(this.myProgressBar);
+            this.Controls.Add(this.lblStatus);
+            this.Controls.Add(this.lbMessages);
+            this.Controls.Add(this.panelChoices);
+            this.Controls.Add(this.pbNetworkView);
+            this.Controls.Add(this.msMainMenuStrip);
+            this.Controls.Add(this.HelpPanel);
+            this.Icon = global::EduNetworkBuilder.Properties.Resources.NBIco;
+            this.MainMenuStrip = this.msMainMenuStrip;
+            this.Margin = new System.Windows.Forms.Padding(2, 2, 2, 2);
+            this.Name = "BuilderWindow";
+            this.Text = "Network Builder";
+            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.BuilderWindow_FormClosing);
+            this.Load += new System.EventHandler(this.BuilderWindow_Load);
+            this.ResizeEnd += new System.EventHandler(this.BuilderWindow_ResizeEnd);
+            this.Resize += new System.EventHandler(this.BuilderWindow_Resize);
+            this.msMainMenuStrip.ResumeLayout(false);
+            this.msMainMenuStrip.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.pbNetworkView)).EndInit();
+            this.HelpPanel.ResumeLayout(false);
+            this.HelpPanel.PerformLayout();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.MenuStrip msMainMenuStrip;
+        private System.Windows.Forms.ToolStripMenuItem fileToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem loadToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem saveToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem exitToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem editToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem cutToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem copyToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem pasteToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem helpToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem aboutToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem helpToolStripMenuItem1;
+        private System.Windows.Forms.ToolStripMenuItem checkForUpdatesToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem undoToolStripMenuItem;
+        private System.Windows.Forms.PictureBox pbNetworkView;
+        private System.Windows.Forms.Panel panelChoices;
+        private System.Windows.Forms.ListBox lbMessages;
+        private System.Windows.Forms.Label lblStatus;
+        private System.Windows.Forms.ToolStripMenuItem releaseNotesToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem reloadToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem allToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem dHCPRequestToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem clearArpTableToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem clearIPsToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem pingToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem samplesToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem solvedToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem oneNetworkToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem twoNetworksToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem dHCPToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem toSolveToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem solvedOneNetworkToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem solvedTwoNetworksToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem solvedDHCPToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem threeNetworksToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem SolvedThreeNetworksToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem newToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem optionsToolStripMenuItem;
+        private System.Windows.Forms.Button btnHelp;
+        private System.Windows.Forms.RadioButton rbHelp4;
+        private System.Windows.Forms.RadioButton rbHelp3;
+        private System.Windows.Forms.RadioButton rbHelp2;
+        private System.Windows.Forms.RadioButton rbHelp1;
+        private System.Windows.Forms.Panel HelpPanel;
+        private System.Windows.Forms.ToolStripMenuItem puzzlesToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem firewallsToolStripMenuItem;
+        private System.Windows.Forms.ToolStripMenuItem firewallsToolStripMenuItem1;
+        private System.Windows.Forms.ProgressBar myProgressBar;
+        private System.Windows.Forms.ToolStripMenuItem changeLanguageToolStripMenuItem;
+    }
+}
+
diff --git a/EduNetworkBuilder/NetworkBuilder.resx b/EduNetworkBuilder/NetworkBuilder.resx
new file mode 100644
index 0000000..f7431fe
--- /dev/null
+++ b/EduNetworkBuilder/NetworkBuilder.resx
@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="msMainMenuStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/NetworkCardEditor.Designer.cs b/EduNetworkBuilder/NetworkCardEditor.Designer.cs
new file mode 100644
index 0000000..3581eda
--- /dev/null
+++ b/EduNetworkBuilder/NetworkCardEditor.Designer.cs
@@ -0,0 +1,170 @@
+namespace EduNetworkBuilder
+{
+    partial class NetworkCardEditor
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.tbNicName = new System.Windows.Forms.TextBox();
+            this.tbNicType = new System.Windows.Forms.TextBox();
+            this.TBMacAddress = new System.Windows.Forms.TextBox();
+            this.cbCanUseDHCP = new System.Windows.Forms.CheckBox();
+            this.cbDHCP = new System.Windows.Forms.CheckBox();
+            this.label1 = new System.Windows.Forms.Label();
+            this.label2 = new System.Windows.Forms.Label();
+            this.label3 = new System.Windows.Forms.Label();
+            this.btnDone = new System.Windows.Forms.Button();
+            this.lblLinkStatus = new System.Windows.Forms.Label();
+            this.SuspendLayout();
+            // 
+            // tbNicName
+            // 
+            this.tbNicName.Location = new System.Drawing.Point(131, 16);
+            this.tbNicName.Name = "tbNicName";
+            this.tbNicName.Size = new System.Drawing.Size(159, 22);
+            this.tbNicName.TabIndex = 0;
+            // 
+            // tbNicType
+            // 
+            this.tbNicType.Location = new System.Drawing.Point(131, 44);
+            this.tbNicType.Name = "tbNicType";
+            this.tbNicType.Size = new System.Drawing.Size(159, 22);
+            this.tbNicType.TabIndex = 1;
+            // 
+            // TBMacAddress
+            // 
+            this.TBMacAddress.Location = new System.Drawing.Point(131, 72);
+            this.TBMacAddress.Name = "TBMacAddress";
+            this.TBMacAddress.Size = new System.Drawing.Size(159, 22);
+            this.TBMacAddress.TabIndex = 2;
+            // 
+            // cbCanUseDHCP
+            // 
+            this.cbCanUseDHCP.AutoSize = true;
+            this.cbCanUseDHCP.Location = new System.Drawing.Point(131, 100);
+            this.cbCanUseDHCP.Name = "cbCanUseDHCP";
+            this.cbCanUseDHCP.Size = new System.Drawing.Size(124, 21);
+            this.cbCanUseDHCP.TabIndex = 3;
+            this.cbCanUseDHCP.Text = "Can use DHCP";
+            this.cbCanUseDHCP.UseVisualStyleBackColor = true;
+            // 
+            // cbDHCP
+            // 
+            this.cbDHCP.AutoSize = true;
+            this.cbDHCP.Location = new System.Drawing.Point(131, 128);
+            this.cbDHCP.Name = "cbDHCP";
+            this.cbDHCP.Size = new System.Drawing.Size(104, 21);
+            this.cbDHCP.TabIndex = 4;
+            this.cbDHCP.Text = "Uses DHCP";
+            this.cbDHCP.UseVisualStyleBackColor = true;
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(56, 19);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(69, 17);
+            this.label1.TabIndex = 5;
+            this.label1.Text = "Nic Name";
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(61, 47);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(64, 17);
+            this.label2.TabIndex = 6;
+            this.label2.Text = "Nic Type";
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Location = new System.Drawing.Point(32, 75);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(93, 17);
+            this.label3.TabIndex = 7;
+            this.label3.Text = "MAC Address";
+            // 
+            // btnDone
+            // 
+            this.btnDone.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnDone.Location = new System.Drawing.Point(215, 169);
+            this.btnDone.Name = "btnDone";
+            this.btnDone.Size = new System.Drawing.Size(75, 23);
+            this.btnDone.TabIndex = 8;
+            this.btnDone.Text = "Done";
+            this.btnDone.UseVisualStyleBackColor = true;
+            this.btnDone.Click += new System.EventHandler(this.btnDone_Click);
+            // 
+            // lblLinkStatus
+            // 
+            this.lblLinkStatus.AutoSize = true;
+            this.lblLinkStatus.Location = new System.Drawing.Point(32, 169);
+            this.lblLinkStatus.Name = "lblLinkStatus";
+            this.lblLinkStatus.Size = new System.Drawing.Size(74, 17);
+            this.lblLinkStatus.TabIndex = 9;
+            this.lblLinkStatus.Text = "LinkStatus";
+            // 
+            // NetworkCardEditor
+            // 
+            this.AcceptButton = this.btnDone;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.AutoSize = true;
+            this.ClientSize = new System.Drawing.Size(302, 204);
+            this.Controls.Add(this.lblLinkStatus);
+            this.Controls.Add(this.btnDone);
+            this.Controls.Add(this.label3);
+            this.Controls.Add(this.label2);
+            this.Controls.Add(this.label1);
+            this.Controls.Add(this.cbDHCP);
+            this.Controls.Add(this.cbCanUseDHCP);
+            this.Controls.Add(this.TBMacAddress);
+            this.Controls.Add(this.tbNicType);
+            this.Controls.Add(this.tbNicName);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
+            this.Icon = global::EduNetworkBuilder.Properties.Resources.NBIco;
+            this.Name = "NetworkCardEditor";
+            this.Text = "NetworkCardEditor";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.TextBox tbNicName;
+        private System.Windows.Forms.TextBox tbNicType;
+        private System.Windows.Forms.TextBox TBMacAddress;
+        private System.Windows.Forms.CheckBox cbCanUseDHCP;
+        private System.Windows.Forms.CheckBox cbDHCP;
+        private System.Windows.Forms.Label label1;
+        private System.Windows.Forms.Label label2;
+        private System.Windows.Forms.Label label3;
+        private System.Windows.Forms.Button btnDone;
+        private System.Windows.Forms.Label lblLinkStatus;
+    }
+}
\ No newline at end of file
diff --git a/EduNetworkBuilder/NetworkComponent.cs b/EduNetworkBuilder/NetworkComponent.cs
new file mode 100644
index 0000000..02b43a7
--- /dev/null
+++ b/EduNetworkBuilder/NetworkComponent.cs
@@ -0,0 +1,108 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Drawing;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Runtime.Serialization;
+using System.IO;
+using System.Xml;
+
+
+namespace EduNetworkBuilder
+{
+    [Serializable]
+    public class NetworkComponent
+    {
+        public bool IsDirty = true; //If something has changed and it needs to be re-drawn.  It starts as "true"
+        protected int UniqueIdentifier = NB.GetUniqueIdentifier();
+        public string hostname = "";
+
+
+        public virtual void Print(Image BaseImage, bool DrawTitle)
+        {
+        }
+        
+        public virtual bool HasMac(string MAC)
+        {
+            return false;
+        }
+
+        public virtual void ProcessPacket(Packet tPacket)
+        {
+
+        }
+
+        public virtual void Destroy()
+        {
+            //This really does nothing.  But the link will trigger some stuff needing to be done
+        }
+
+        public virtual List<string> arp(UInt32 IP)
+        {
+            List<string> arps = new List<string>();
+            return arps;  //links have no MAC addresses
+        }
+
+        public virtual void Save(XmlWriter writer)
+        {  
+        }
+
+        public virtual void Load(XmlNode theNode)
+        {
+        }
+
+        public virtual void UpdateFromComponent(NetworkComponent CopyFrom)
+        {
+
+        }
+
+        public virtual void DoProcessing(Packet tPacket)
+        {
+        }
+
+        public virtual void DoMoving(Packet tPacket)
+        {
+        }
+
+        public virtual void DoInput(Packet tPacket)
+        {
+
+        }
+
+        public virtual void DoOutput(Packet tPacket)
+        {
+
+        }
+
+        public int GetUniqueIdentifier
+        {
+            get { return UniqueIdentifier; }
+        }
+
+        public static T Clone<T>(T source)
+        {
+            if (!typeof(T).IsSerializable)
+            {
+                throw new ArgumentException("The type must be serializable.", "source");
+            }
+
+            // Don't serialize a null object, simply return the default for that object
+            if (Object.ReferenceEquals(source, null))
+            {
+                return default(T);
+            }
+
+            IFormatter formatter = new BinaryFormatter();
+            Stream stream = new MemoryStream();
+            using (stream)
+            {
+                formatter.Serialize(stream, source);
+                stream.Seek(0, SeekOrigin.Begin);
+                return (T)formatter.Deserialize(stream);
+            }
+        }
+
+    }
+}
diff --git a/EduNetworkBuilder/NetworkInterface.cs b/EduNetworkBuilder/NetworkInterface.cs
new file mode 100644
index 0000000..0022461
--- /dev/null
+++ b/EduNetworkBuilder/NetworkInterface.cs
@@ -0,0 +1,123 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml;
+using System.Text.RegularExpressions;
+
+namespace EduNetworkBuilder
+{
+    [Serializable]
+    public class NetworkInterface
+    {
+        public IPAddress myIP;
+        public string nic_name;  //eth0, eth0:0, etc
+        public HostNicID AttachedToHostNic;
+        //We should have a feature: none, IP_in_IP_Tunnel, encrypted_vpn, vlan, etc
+        public NetworkInterface(string name, string IP, string Mask, HostNicID AttachedTo)
+        {
+            nic_name = name;
+            myIP = new IPAddress(IP, Mask,IPAddressType.ip);
+            AttachedToHostNic = AttachedTo;
+        }
+
+        public NetworkInterface(XmlNode theNode, HostNicID AttachedTo)
+        {
+            AttachedToHostNic = AttachedTo;
+            foreach (XmlNode Individual in theNode.ChildNodes)
+            {
+                XmlNodeType myNodetype = Individual.NodeType;
+                if (myNodetype == XmlNodeType.Element)
+                {
+                    switch (Individual.Name.ToLower())
+                    {
+                        case "myip":
+                            myIP = new IPAddress(Individual);
+                            break;
+                        case "nicname":
+                            nic_name = Individual.InnerText;
+                            break;
+                    }
+                }
+            }
+        }
+
+        public void Save(XmlWriter writer)
+        {
+            writer.WriteStartElement("interface");
+            writer.WriteElementString("nicname", nic_name);
+            myIP.Save(writer, "myip");
+            writer.WriteEndElement();
+        }
+
+        public string InterfaceString(bool UseCidr = false)
+        {
+            string tstring = myIP.GetIP.ToIpString();
+            if (!UseCidr)
+            {
+                tstring += " - " + myIP.GetMask.ToIpString();
+            }
+            else
+            {
+                string mask = myIP.GetMask.ToBitString();
+                mask = Regex.Replace(mask, "0", "");
+                int count = mask.Length;
+                tstring += "/" + count.ToString();
+            }
+            return tstring;
+        }
+
+        public string RouteString(string nic_name, string GW)
+        {
+            string tstring = myIP.IPFormat(GW); ;
+            return tstring;
+        }
+
+        /// <summary>
+        /// Pop up a window to edit this address.
+        /// </summary>
+        public void EditAddress()
+        {
+            Network myNet = NB.GetNetwork();
+            NetworkDevice ND = myNet.GetDeviceFromID(AttachedToHostNic);
+            IPAddressEntry ipe = new IPAddressEntry(myIP,ND);
+            ipe.ShowDialog();
+        }
+        public bool isLocal(IPAddress tIp)
+        {
+            if (tIp == null) return false;
+            if (myIP.IsLocal(tIp))
+                return true;
+            return false;
+        }
+
+        /// <summary>
+        /// We are sending the packet out this interface.
+        /// </summary>
+        /// <param name="tPacket"></param>
+        public void ProcessOutboundPacket(Packet tPacket)
+        {
+            if (tPacket.sourceIP == null || tPacket.sourceIP.GetIP.ToIpString() == NB.ZeroIPString)
+            {
+                //This happens if we are starting a new packet.  We should also do this if we are masquerading.
+                tPacket.sourceIP = new IPAddress(myIP.GetIP.ToIpString(), "", IPAddressType.ip_only); //We only want the IP address 
+            }
+        }
+
+        public void ProcessInboundPacket(Packet tPacket)
+        {
+            bool isgood = false;
+            if (tPacket.destIP != null && tPacket.destIP.GetIP == myIP.GetIP) isgood = true;
+            if (tPacket.destIP != null && myIP.IsLocal(tPacket.destIP)) isgood = true; 
+            if (myIP.NetworkAddress == myIP.GetIP) isgood = true; 
+
+            if(isgood)
+            {
+                //anything we should do here?
+                //Mainly vlan if we are a vlan.
+            }
+
+        }
+    }
+}
diff --git a/EduNetworkBuilder/OptionsWindow.Designer.cs b/EduNetworkBuilder/OptionsWindow.Designer.cs
new file mode 100644
index 0000000..e0d69c5
--- /dev/null
+++ b/EduNetworkBuilder/OptionsWindow.Designer.cs
@@ -0,0 +1,296 @@
+namespace EduNetworkBuilder
+{
+    partial class OptionsWindow
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.btnDone = new System.Windows.Forms.Button();
+            this.lblNetTitle = new System.Windows.Forms.Label();
+            this.tbNetworkTitle = new System.Windows.Forms.TextBox();
+            this.cbDisplayTitles = new System.Windows.Forms.CheckBox();
+            this.lblNetSize = new System.Windows.Forms.Label();
+            this.tbNetworkX = new System.Windows.Forms.TextBox();
+            this.tbNetworkY = new System.Windows.Forms.TextBox();
+            this.tbItemSize = new System.Windows.Forms.TextBox();
+            this.lblItemSize = new System.Windows.Forms.Label();
+            this.tbMessage = new System.Windows.Forms.TextBox();
+            this.lblNetMessage = new System.Windows.Forms.Label();
+            this.lbTests = new System.Windows.Forms.ListBox();
+            this.lblTests = new System.Windows.Forms.Label();
+            this.lblTags = new System.Windows.Forms.Label();
+            this.lbTags = new System.Windows.Forms.ListBox();
+            this.tbLevel = new System.Windows.Forms.TextBox();
+            this.tbSortOrder = new System.Windows.Forms.TextBox();
+            this.lblLevel = new System.Windows.Forms.Label();
+            this.lblSortOrder = new System.Windows.Forms.Label();
+            this.cbStartingHelpLevel = new System.Windows.Forms.ComboBox();
+            this.lblStartingHelp = new System.Windows.Forms.Label();
+            this.SuspendLayout();
+            // 
+            // btnDone
+            // 
+            this.btnDone.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnDone.Location = new System.Drawing.Point(755, 275);
+            this.btnDone.Name = "btnDone";
+            this.btnDone.Size = new System.Drawing.Size(75, 23);
+            this.btnDone.TabIndex = 0;
+            this.btnDone.Text = "Done";
+            this.btnDone.UseVisualStyleBackColor = true;
+            this.btnDone.Click += new System.EventHandler(this.btnDone_Click);
+            // 
+            // lblNetTitle
+            // 
+            this.lblNetTitle.AutoSize = true;
+            this.lblNetTitle.Location = new System.Drawing.Point(23, 19);
+            this.lblNetTitle.Name = "lblNetTitle";
+            this.lblNetTitle.Size = new System.Drawing.Size(61, 17);
+            this.lblNetTitle.TabIndex = 1;
+            this.lblNetTitle.Text = "Net Title";
+            // 
+            // tbNetworkTitle
+            // 
+            this.tbNetworkTitle.Location = new System.Drawing.Point(184, 13);
+            this.tbNetworkTitle.Name = "tbNetworkTitle";
+            this.tbNetworkTitle.Size = new System.Drawing.Size(306, 22);
+            this.tbNetworkTitle.TabIndex = 2;
+            // 
+            // cbDisplayTitles
+            // 
+            this.cbDisplayTitles.AutoSize = true;
+            this.cbDisplayTitles.Location = new System.Drawing.Point(184, 44);
+            this.cbDisplayTitles.Name = "cbDisplayTitles";
+            this.cbDisplayTitles.Size = new System.Drawing.Size(114, 21);
+            this.cbDisplayTitles.TabIndex = 3;
+            this.cbDisplayTitles.Text = "Display Titles";
+            this.cbDisplayTitles.UseVisualStyleBackColor = true;
+            // 
+            // lblNetSize
+            // 
+            this.lblNetSize.AutoSize = true;
+            this.lblNetSize.Location = new System.Drawing.Point(23, 72);
+            this.lblNetSize.Name = "lblNetSize";
+            this.lblNetSize.Size = new System.Drawing.Size(121, 17);
+            this.lblNetSize.TabIndex = 4;
+            this.lblNetSize.Text = "Network Size (x,y)";
+            // 
+            // tbNetworkX
+            // 
+            this.tbNetworkX.Location = new System.Drawing.Point(184, 69);
+            this.tbNetworkX.Name = "tbNetworkX";
+            this.tbNetworkX.Size = new System.Drawing.Size(151, 22);
+            this.tbNetworkX.TabIndex = 5;
+            // 
+            // tbNetworkY
+            // 
+            this.tbNetworkY.Location = new System.Drawing.Point(341, 69);
+            this.tbNetworkY.Name = "tbNetworkY";
+            this.tbNetworkY.Size = new System.Drawing.Size(149, 22);
+            this.tbNetworkY.TabIndex = 6;
+            // 
+            // tbItemSize
+            // 
+            this.tbItemSize.Location = new System.Drawing.Point(184, 100);
+            this.tbItemSize.Name = "tbItemSize";
+            this.tbItemSize.Size = new System.Drawing.Size(151, 22);
+            this.tbItemSize.TabIndex = 8;
+            // 
+            // lblItemSize
+            // 
+            this.lblItemSize.AutoSize = true;
+            this.lblItemSize.Location = new System.Drawing.Point(23, 103);
+            this.lblItemSize.Name = "lblItemSize";
+            this.lblItemSize.Size = new System.Drawing.Size(61, 17);
+            this.lblItemSize.TabIndex = 7;
+            this.lblItemSize.Text = "ItemSize";
+            // 
+            // tbMessage
+            // 
+            this.tbMessage.Location = new System.Drawing.Point(184, 128);
+            this.tbMessage.Multiline = true;
+            this.tbMessage.Name = "tbMessage";
+            this.tbMessage.Size = new System.Drawing.Size(306, 60);
+            this.tbMessage.TabIndex = 9;
+            // 
+            // lblNetMessage
+            // 
+            this.lblNetMessage.Location = new System.Drawing.Point(29, 136);
+            this.lblNetMessage.Name = "lblNetMessage";
+            this.lblNetMessage.Size = new System.Drawing.Size(149, 41);
+            this.lblNetMessage.TabIndex = 10;
+            this.lblNetMessage.Text = "Message given when network loaded";
+            // 
+            // lbTests
+            // 
+            this.lbTests.FormattingEnabled = true;
+            this.lbTests.ItemHeight = 16;
+            this.lbTests.Location = new System.Drawing.Point(185, 201);
+            this.lbTests.Name = "lbTests";
+            this.lbTests.Size = new System.Drawing.Size(304, 100);
+            this.lbTests.TabIndex = 11;
+            this.lbTests.MouseClick += new System.Windows.Forms.MouseEventHandler(this.lbTests_MouseClick);
+            this.lbTests.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.lbTests_MouseDoubleClick);
+            this.lbTests.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lbTests_MouseDown);
+            // 
+            // lblTests
+            // 
+            this.lblTests.AutoSize = true;
+            this.lblTests.Location = new System.Drawing.Point(29, 201);
+            this.lblTests.Name = "lblTests";
+            this.lblTests.Size = new System.Drawing.Size(127, 17);
+            this.lblTests.TabIndex = 12;
+            this.lblTests.Text = "Tests (for Puzzles)";
+            // 
+            // lblTags
+            // 
+            this.lblTags.AutoSize = true;
+            this.lblTags.Location = new System.Drawing.Point(516, 13);
+            this.lblTags.Name = "lblTags";
+            this.lblTags.Size = new System.Drawing.Size(107, 17);
+            this.lblTags.TabIndex = 14;
+            this.lblTags.Text = "Tags for Puzzle";
+            // 
+            // lbTags
+            // 
+            this.lbTags.FormattingEnabled = true;
+            this.lbTags.ItemHeight = 16;
+            this.lbTags.Location = new System.Drawing.Point(672, 13);
+            this.lbTags.Name = "lbTags";
+            this.lbTags.Size = new System.Drawing.Size(151, 100);
+            this.lbTags.TabIndex = 13;
+            this.lbTags.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.lbTags_MouseDoubleClick);
+            this.lbTags.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lbTags_MouseDown);
+            // 
+            // tbLevel
+            // 
+            this.tbLevel.Location = new System.Drawing.Point(672, 119);
+            this.tbLevel.Name = "tbLevel";
+            this.tbLevel.Size = new System.Drawing.Size(70, 22);
+            this.tbLevel.TabIndex = 15;
+            this.tbLevel.Validating += new System.ComponentModel.CancelEventHandler(this.tbLevel_Validating);
+            // 
+            // tbSortOrder
+            // 
+            this.tbSortOrder.Location = new System.Drawing.Point(672, 147);
+            this.tbSortOrder.Name = "tbSortOrder";
+            this.tbSortOrder.Size = new System.Drawing.Size(70, 22);
+            this.tbSortOrder.TabIndex = 16;
+            this.tbSortOrder.Validating += new System.ComponentModel.CancelEventHandler(this.tbSortOrder_Validating);
+            // 
+            // lblLevel
+            // 
+            this.lblLevel.AutoSize = true;
+            this.lblLevel.Location = new System.Drawing.Point(624, 122);
+            this.lblLevel.Name = "lblLevel";
+            this.lblLevel.Size = new System.Drawing.Size(42, 17);
+            this.lblLevel.TabIndex = 17;
+            this.lblLevel.Text = "Level";
+            // 
+            // lblSortOrder
+            // 
+            this.lblSortOrder.AutoSize = true;
+            this.lblSortOrder.Location = new System.Drawing.Point(591, 150);
+            this.lblSortOrder.Name = "lblSortOrder";
+            this.lblSortOrder.Size = new System.Drawing.Size(75, 17);
+            this.lblSortOrder.TabIndex = 18;
+            this.lblSortOrder.Text = "Sort Order";
+            // 
+            // cbStartingHelpLevel
+            // 
+            this.cbStartingHelpLevel.FormattingEnabled = true;
+            this.cbStartingHelpLevel.Location = new System.Drawing.Point(672, 175);
+            this.cbStartingHelpLevel.Name = "cbStartingHelpLevel";
+            this.cbStartingHelpLevel.Size = new System.Drawing.Size(121, 24);
+            this.cbStartingHelpLevel.TabIndex = 19;
+            // 
+            // lblStartingHelp
+            // 
+            this.lblStartingHelp.AutoSize = true;
+            this.lblStartingHelp.Location = new System.Drawing.Point(538, 178);
+            this.lblStartingHelp.Name = "lblStartingHelp";
+            this.lblStartingHelp.Size = new System.Drawing.Size(128, 17);
+            this.lblStartingHelp.TabIndex = 20;
+            this.lblStartingHelp.Text = "Starting Help Level";
+            // 
+            // OptionsWindow
+            // 
+            this.AcceptButton = this.btnDone;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(836, 307);
+            this.Controls.Add(this.lblStartingHelp);
+            this.Controls.Add(this.cbStartingHelpLevel);
+            this.Controls.Add(this.lblSortOrder);
+            this.Controls.Add(this.lblLevel);
+            this.Controls.Add(this.tbSortOrder);
+            this.Controls.Add(this.tbLevel);
+            this.Controls.Add(this.lblTags);
+            this.Controls.Add(this.lbTags);
+            this.Controls.Add(this.lblTests);
+            this.Controls.Add(this.lbTests);
+            this.Controls.Add(this.lblNetMessage);
+            this.Controls.Add(this.tbMessage);
+            this.Controls.Add(this.tbItemSize);
+            this.Controls.Add(this.lblItemSize);
+            this.Controls.Add(this.tbNetworkY);
+            this.Controls.Add(this.tbNetworkX);
+            this.Controls.Add(this.lblNetSize);
+            this.Controls.Add(this.cbDisplayTitles);
+            this.Controls.Add(this.tbNetworkTitle);
+            this.Controls.Add(this.lblNetTitle);
+            this.Controls.Add(this.btnDone);
+            this.Name = "OptionsWindow";
+            this.Text = "OptionsWindow";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Button btnDone;
+        private System.Windows.Forms.Label lblNetTitle;
+        private System.Windows.Forms.TextBox tbNetworkTitle;
+        private System.Windows.Forms.CheckBox cbDisplayTitles;
+        private System.Windows.Forms.Label lblNetSize;
+        private System.Windows.Forms.TextBox tbNetworkX;
+        private System.Windows.Forms.TextBox tbNetworkY;
+        private System.Windows.Forms.TextBox tbItemSize;
+        private System.Windows.Forms.Label lblItemSize;
+        private System.Windows.Forms.TextBox tbMessage;
+        private System.Windows.Forms.Label lblNetMessage;
+        private System.Windows.Forms.ListBox lbTests;
+        private System.Windows.Forms.Label lblTests;
+        private System.Windows.Forms.Label lblTags;
+        private System.Windows.Forms.ListBox lbTags;
+        private System.Windows.Forms.TextBox tbLevel;
+        private System.Windows.Forms.TextBox tbSortOrder;
+        private System.Windows.Forms.Label lblLevel;
+        private System.Windows.Forms.Label lblSortOrder;
+        private System.Windows.Forms.ComboBox cbStartingHelpLevel;
+        private System.Windows.Forms.Label lblStartingHelp;
+    }
+}
\ No newline at end of file
diff --git a/EduNetworkBuilder/OptionsWindow.resx b/EduNetworkBuilder/OptionsWindow.resx
new file mode 100644
index 0000000..1af7de1
--- /dev/null
+++ b/EduNetworkBuilder/OptionsWindow.resx
@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Program.cs b/EduNetworkBuilder/Program.cs
new file mode 100644
index 0000000..7c20a4b
--- /dev/null
+++ b/EduNetworkBuilder/Program.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace EduNetworkBuilder
+{
+    static class Program
+    {
+        /// <summary>
+        /// The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            Application.EnableVisualStyles();
+            Application.SetCompatibleTextRenderingDefault(false);
+            Application.Run(new BuilderWindow());
+        }
+    }
+}
diff --git a/EduNetworkBuilder/Properties/AssemblyInfo.cs b/EduNetworkBuilder/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..bbe552c
--- /dev/null
+++ b/EduNetworkBuilder/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("EduNetworkBuilder")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("EduNetworkBuilder")]
+[assembly: AssemblyCopyright("Copyright ©  2015")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible 
+// to COM components.  If you need to access a type in this assembly from 
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("a1a9afe4-d6c0-473f-8504-980377d3d2b7")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers 
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/EduNetworkBuilder/Properties/Resources.Designer.cs b/EduNetworkBuilder/Properties/Resources.Designer.cs
new file mode 100644
index 0000000..bc02418
--- /dev/null
+++ b/EduNetworkBuilder/Properties/Resources.Designer.cs
@@ -0,0 +1,788 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.34209
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace EduNetworkBuilder.Properties {
+    using System;
+    
+    
+    /// <summary>
+    ///   A strongly-typed resource class, for looking up localized strings, etc.
+    /// </summary>
+    // This class was auto-generated by the StronglyTypedResourceBuilder
+    // class via a tool like ResGen or Visual Studio.
+    // To add or remove a member, edit your .ResX file then rerun ResGen
+    // with the /str option, or rebuild your VS project.
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0")]
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    internal class Resources {
+        
+        private static global::System.Resources.ResourceManager resourceMan;
+        
+        private static global::System.Globalization.CultureInfo resourceCulture;
+        
+        [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+        internal Resources() {
+        }
+        
+        /// <summary>
+        ///   Returns the cached ResourceManager instance used by this class.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Resources.ResourceManager ResourceManager {
+            get {
+                if (object.ReferenceEquals(resourceMan, null)) {
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("EduNetworkBuilder.Properties.Resources", typeof(Resources).Assembly);
+                    resourceMan = temp;
+                }
+                return resourceMan;
+            }
+        }
+        
+        /// <summary>
+        ///   Overrides the current thread's CurrentUICulture property for all
+        ///   resource lookups using this strongly typed resource class.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Globalization.CultureInfo Culture {
+            get {
+                return resourceCulture;
+            }
+            set {
+                resourceCulture = value;
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to {\rtf1\ansi\ansicpg1252\deff0\nouicompat\deflang1033{\fonttbl{\f0\fnil\fcharset0 Calibri;}}
+        ///{\colortbl ;\red0\green0\blue255;}
+        ///{\*\generator Riched20 6.3.9600}\viewkind4\uc1 
+        ///\pard\sa200\sl276\slmult1\f0\fs22\lang9 About EduNetworkBuilder\par
+        ///Written by Tim Young\par
+        ///{{\field{\*\fldinst{HYPERLINK http://tyounglightsys.ddns.info/EduNetworkBuilder }}{\fldrslt{http://tyounglightsys.ddns.info/EduNetworkBuilder\ul0\cf0}}}}\f0\fs22\par
+        ///This program was inspired by all the people I met in Africa who had a di [rest of string was truncated]&quot;;.
+        /// </summary>
+        internal static string about {
+            get {
+                return ResourceManager.GetString("about", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap Copier {
+            get {
+                object obj = ResourceManager.GetObject("Copier", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] DHCP {
+            get {
+                object obj = ResourceManager.GetObject("DHCP", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap firewall {
+            get {
+                object obj = ResourceManager.GetObject("firewall", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] firewalls {
+            get {
+                object obj = ResourceManager.GetObject("firewalls", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to {\rtf1\ansi\ansicpg1252\deff0\nouicompat\deflang1033{\fonttbl{\f0\fswiss\fprq2\fcharset0 Calibri;}{\f1\fmodern\fprq1\fcharset0 Consolas;}{\f2\fnil\fcharset0 Calibri;}}
+        ///{\colortbl ;\red0\green0\blue255;}
+        ///{\*\generator Riched20 6.3.9600}\viewkind4\uc1 
+        ///\pard\widctlpar\sa200\sl276\slmult1\f0\fs22\lang9 This is a basic help document for EduNetworkBuilder\par
+        ///\b Overview\par
+        ///\b0 EduNetworkBuilder is meant to represent fairly truthfully how a network functions while removing the complexity of configuration.  [rest of string was truncated]&quot;;.
+        /// </summary>
+        internal static string Help {
+            get {
+                return ResourceManager.GetString("Help", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap Hub {
+            get {
+                object obj = ResourceManager.GetObject("Hub", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap ip_phone {
+            get {
+                object obj = ResourceManager.GetObject("ip_phone", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap Laptop {
+            get {
+                object obj = ResourceManager.GetObject("Laptop", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_BrokenLink {
+            get {
+                object obj = ResourceManager.GetObject("Level0_BrokenLink", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_Help {
+            get {
+                object obj = ResourceManager.GetObject("Level0_Help", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_HubVsSwitch {
+            get {
+                object obj = ResourceManager.GetObject("Level0_HubVsSwitch", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_IP {
+            get {
+                object obj = ResourceManager.GetObject("Level0_IP", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_NeedsLink {
+            get {
+                object obj = ResourceManager.GetObject("Level0_NeedsLink", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_NetworkLoop {
+            get {
+                object obj = ResourceManager.GetObject("Level0_NetworkLoop", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_NetworkLoop2 {
+            get {
+                object obj = ResourceManager.GetObject("Level0_NetworkLoop2", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_NoSwitch {
+            get {
+                object obj = ResourceManager.GetObject("Level0_NoSwitch", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_Ping {
+            get {
+                object obj = ResourceManager.GetObject("Level0_Ping", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level0_SimpleDHCP {
+            get {
+                object obj = ResourceManager.GetObject("Level0_SimpleDHCP", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_BadDHCP {
+            get {
+                object obj = ResourceManager.GetObject("Level1_BadDHCP", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_BadGateway {
+            get {
+                object obj = ResourceManager.GetObject("Level1_BadGateway", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_BadIP {
+            get {
+                object obj = ResourceManager.GetObject("Level1_BadIP", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_DuplicateIPs {
+            get {
+                object obj = ResourceManager.GetObject("Level1_DuplicateIPs", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_DuplicateMAC {
+            get {
+                object obj = ResourceManager.GetObject("Level1_DuplicateMAC", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_MidDHCP {
+            get {
+                object obj = ResourceManager.GetObject("Level1_MidDHCP", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_MixedNetwork {
+            get {
+                object obj = ResourceManager.GetObject("Level1_MixedNetwork", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_NoGateway {
+            get {
+                object obj = ResourceManager.GetObject("Level1_NoGateway", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_OneNetTwoSubnets {
+            get {
+                object obj = ResourceManager.GetObject("Level1_OneNetTwoSubnets", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level1_OneNetTwoSubnets2 {
+            get {
+                object obj = ResourceManager.GetObject("Level1_OneNetTwoSubnets2", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_Bad_Encryption {
+            get {
+                object obj = ResourceManager.GetObject("Level2_Bad_Encryption", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_Bad_Route {
+            get {
+                object obj = ResourceManager.GetObject("Level2_Bad_Route", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_Bad_VPN_IP {
+            get {
+                object obj = ResourceManager.GetObject("Level2_Bad_VPN_IP", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_Blast_From_Past {
+            get {
+                object obj = ResourceManager.GetObject("Level2_Blast_From_Past", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_Build_A_VPN {
+            get {
+                object obj = ResourceManager.GetObject("Level2_Build_A_VPN", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_Connect_The_Dots {
+            get {
+                object obj = ResourceManager.GetObject("Level2_Connect_The_Dots", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_FirewallDemo {
+            get {
+                object obj = ResourceManager.GetObject("Level2_FirewallDemo", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_Not_Working {
+            get {
+                object obj = ResourceManager.GetObject("Level2_Not_Working", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level2_VPN_Demo {
+            get {
+                object obj = ResourceManager.GetObject("Level2_VPN_Demo", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level3_BlackHole {
+            get {
+                object obj = ResourceManager.GetObject("Level3_BlackHole", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level3_Busted {
+            get {
+                object obj = ResourceManager.GetObject("Level3_Busted", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level3_Dead {
+            get {
+                object obj = ResourceManager.GetObject("Level3_Dead", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level3_EncryptionTroubles {
+            get {
+                object obj = ResourceManager.GetObject("Level3_EncryptionTroubles", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level3_GrandCentralStation {
+            get {
+                object obj = ResourceManager.GetObject("Level3_GrandCentralStation", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level3_Middle_Man_Out {
+            get {
+                object obj = ResourceManager.GetObject("Level3_Middle_Man_Out", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level3_NowhereToGo {
+            get {
+                object obj = ResourceManager.GetObject("Level3_NowhereToGo", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level3_PhoneyNetwork {
+            get {
+                object obj = ResourceManager.GetObject("Level3_PhoneyNetwork", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level3_VPNify {
+            get {
+                object obj = ResourceManager.GetObject("Level3_VPNify", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level4_DualWans {
+            get {
+                object obj = ResourceManager.GetObject("Level4_DualWans", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level4_Internalhemorrhage {
+            get {
+                object obj = ResourceManager.GetObject("Level4_Internalhemorrhage", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level4_InternalSubnetting {
+            get {
+                object obj = ResourceManager.GetObject("Level4_InternalSubnetting", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level4_OneRoute {
+            get {
+                object obj = ResourceManager.GetObject("Level4_OneRoute", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level4_RouterReplacement {
+            get {
+                object obj = ResourceManager.GetObject("Level4_RouterReplacement", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level4_SinglesLife {
+            get {
+                object obj = ResourceManager.GetObject("Level4_SinglesLife", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] Level4_SmallSubnets {
+            get {
+                object obj = ResourceManager.GetObject("Level4_SmallSubnets", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap link {
+            get {
+                object obj = ResourceManager.GetObject("link", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Icon similar to (Icon).
+        /// </summary>
+        internal static System.Drawing.Icon NBIco {
+            get {
+                object obj = ResourceManager.GetObject("NBIco", resourceCulture);
+                return ((System.Drawing.Icon)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] OneNet {
+            get {
+                object obj = ResourceManager.GetObject("OneNet", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap PC {
+            get {
+                object obj = ResourceManager.GetObject("PC", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap Printer {
+            get {
+                object obj = ResourceManager.GetObject("Printer", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to {\rtf1\ansi\ansicpg1252\deff0\nouicompat\deflang1033{\fonttbl{\f0\fnil\fcharset0 Calibri;}}
+        ///{\*\generator Riched20 6.3.9600}\viewkind4\uc1 
+        ///\pard\sa200\sl276\slmult1\f0\fs22\lang9 Version 1.0.16  \par
+        ///* Added ability to break links (bad network wire)\par
+        ///* Test for &quot;needs link to&quot; does not succeed if the link in question is a broken link\par
+        ///* Added a puzzle to show you how to find broken links \par
+        ///Version 1.0.15  07/11/2015\par
+        ///* Added ping time progress bar\par
+        ///* Fixed issue with things timing ou [rest of string was truncated]&quot;;.
+        /// </summary>
+        internal static string ReleaseNotes {
+            get {
+                return ResourceManager.GetString("ReleaseNotes", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap Router {
+            get {
+                object obj = ResourceManager.GetObject("Router", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap select {
+            get {
+                object obj = ResourceManager.GetObject("select", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap Server {
+            get {
+                object obj = ResourceManager.GetObject("Server", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap Switch {
+            get {
+                object obj = ResourceManager.GetObject("Switch", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] ThreeNets {
+            get {
+                object obj = ResourceManager.GetObject("ThreeNets", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Byte[].
+        /// </summary>
+        internal static byte[] TwoNets {
+            get {
+                object obj = ResourceManager.GetObject("TwoNets", resourceCulture);
+                return ((byte[])(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap wap {
+            get {
+                object obj = ResourceManager.GetObject("wap", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.IO.UnmanagedMemoryStream similar to System.IO.MemoryStream.
+        /// </summary>
+        internal static System.IO.UnmanagedMemoryStream wavBellDing {
+            get {
+                return ResourceManager.GetStream("wavBellDing", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap WBridge {
+            get {
+                object obj = ResourceManager.GetObject("WBridge", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap WRepeater {
+            get {
+                object obj = ResourceManager.GetObject("WRepeater", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized resource of type System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap WRouter {
+            get {
+                object obj = ResourceManager.GetObject("WRouter", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+    }
+}
diff --git a/EduNetworkBuilder/Properties/Resources.resx b/EduNetworkBuilder/Properties/Resources.resx
new file mode 100644
index 0000000..b368762
--- /dev/null
+++ b/EduNetworkBuilder/Properties/Resources.resx
@@ -0,0 +1,334 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="link" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\link.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="PC" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\PC.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="Router" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Router.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="select" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\select.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="Switch" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Switch.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="Hub" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Hub.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="Laptop" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Laptop.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="Server" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Server.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="about" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\about.rtf;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;Windows-1252</value>
+  </data>
+  <data name="Help" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Help.rtf;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;Windows-1252</value>
+  </data>
+  <data name="ReleaseNotes" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\ReleaseNotes.rtf;System.String, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;Windows-1252</value>
+  </data>
+  <data name="NBIco" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\NBIco.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="firewall" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\firewall.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="ip_phone" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\ip_phone.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="DHCP" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\DHCP.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="OneNet" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\OneNet.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="ThreeNets" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\ThreeNets.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="TwoNets" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\TwoNets.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="wap" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\wap.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="Level0_Help" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0-Help.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level0_HubVsSwitch" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0-HubVsSwitch.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level0_IP" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0-IP.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level0_NeedsLink" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0-NeedsLink.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level0_NoSwitch" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0-NoSwitch.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level0_Ping" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0-Ping.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level0_SimpleDHCP" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0-SimpleDHCP.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_BadDHCP" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1-BadDHCP.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_BadIP" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1-BadIP.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_MidDHCP" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1-MidDHCP.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_MixedNetwork" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1-MixedNetwork.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_NoGateway" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1-NoGateway.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_OneNetTwoSubnets" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1_OneNetTwoSubnets.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level0_NetworkLoop" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0_NetworkLoop.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_DuplicateIPs" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1-DuplicateIPs.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_DuplicateMAC" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1_DuplicateMAC.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_OneNetTwoSubnets2" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1_OneNetTwoSubnets2.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level2_FirewallDemo" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_FirewallDemo.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="wavBellDing" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\BellDing.wav;System.IO.MemoryStream, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="firewalls" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\firewalls.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level2_Bad_Encryption" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_Bad_Encryption.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level2_Bad_Route" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_Bad_Route.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level2_Bad_VPN_IP" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_Bad_VPN_IP.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level2_VPN_Demo" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_VPN_Demo.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level2_Blast_From_Past" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_Blast_From_Past.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level2_Build_A_VPN" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_Build_A_VPN.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level2_Connect_The_Dots" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_Connect_The_Dots.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level2_Not_Working" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level2_Not_Working.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level3_BlackHole" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level3_BlackHole.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level3_Busted" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level3_Busted.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level3_Middle_Man_Out" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level3_Middle_Man_Out.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level3_NowhereToGo" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level3_NowhereToGo.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level3_PhoneyNetwork" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level3_PhoneyNetwork.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level3_VPNify" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level3_VPNify.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level3_Dead" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level3_Dead.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level3_GrandCentralStation" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level3_GrandCentralStation.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level1_BadGateway" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level1_BadGateway.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level4_DualWans" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level4_DualWans.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level4_OneRoute" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level4_OneRoute.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level4_RouterReplacement" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level4_RouterReplacement.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level4_SinglesLife" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level4_SinglesLife.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level4_SmallSubnets" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level4_SmallSubnets.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Copier" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Copier.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="Printer" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Printer.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="Level4_Internalhemorrhage" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level4_Internalhemorrhage.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level4_InternalSubnetting" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level4_InternelSubnetting.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level0_NetworkLoop2" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0_NetworkLoop2.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="WBridge" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\WBridge.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="WRepeater" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\WRepeater.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="WRouter" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\WRouter.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="Level0_BrokenLink" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level0_BrokenLink.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="Level3_EncryptionTroubles" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\Level3_EncryptionTroubles.enbx;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Properties/Settings.Designer.cs b/EduNetworkBuilder/Properties/Settings.Designer.cs
new file mode 100644
index 0000000..a47cf45
--- /dev/null
+++ b/EduNetworkBuilder/Properties/Settings.Designer.cs
@@ -0,0 +1,85 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//     Runtime Version:4.0.30319.34209
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace EduNetworkBuilder.Properties {
+    
+    
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "12.0.0.0")]
+    internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
+        
+        private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
+        
+        public static Settings Default {
+            get {
+                return defaultInstance;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("")]
+        public string LastPath {
+            get {
+                return ((string)(this["LastPath"]));
+            }
+            set {
+                this["LastPath"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        public global::System.Collections.Specialized.StringCollection ScoreList {
+            get {
+                return ((global::System.Collections.Specialized.StringCollection)(this["ScoreList"]));
+            }
+            set {
+                this["ScoreList"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("True")]
+        public bool AutoStartPuzzles {
+            get {
+                return ((bool)(this["AutoStartPuzzles"]));
+            }
+            set {
+                this["AutoStartPuzzles"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("en")]
+        public string ChosenLanguage {
+            get {
+                return ((string)(this["ChosenLanguage"]));
+            }
+            set {
+                this["ChosenLanguage"] = value;
+            }
+        }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("False")]
+        public bool LanguageHasBeenChosen {
+            get {
+                return ((bool)(this["LanguageHasBeenChosen"]));
+            }
+            set {
+                this["LanguageHasBeenChosen"] = value;
+            }
+        }
+    }
+}
diff --git a/EduNetworkBuilder/Properties/Settings.settings b/EduNetworkBuilder/Properties/Settings.settings
new file mode 100644
index 0000000..1c470e6
--- /dev/null
+++ b/EduNetworkBuilder/Properties/Settings.settings
@@ -0,0 +1,21 @@
+<?xml version='1.0' encoding='utf-8'?>
+<SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)" GeneratedClassNamespace="EduNetworkBuilder.Properties" GeneratedClassName="Settings">
+  <Profiles />
+  <Settings>
+    <Setting Name="LastPath" Type="System.String" Scope="User">
+      <Value Profile="(Default)" />
+    </Setting>
+    <Setting Name="ScoreList" Type="System.Collections.Specialized.StringCollection" Scope="User">
+      <Value Profile="(Default)" />
+    </Setting>
+    <Setting Name="AutoStartPuzzles" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">True</Value>
+    </Setting>
+    <Setting Name="ChosenLanguage" Type="System.String" Scope="User">
+      <Value Profile="(Default)">en</Value>
+    </Setting>
+    <Setting Name="LanguageHasBeenChosen" Type="System.Boolean" Scope="User">
+      <Value Profile="(Default)">False</Value>
+    </Setting>
+  </Settings>
+</SettingsFile>
\ No newline at end of file
diff --git a/EduNetworkBuilder/RTFWindow.Designer.cs b/EduNetworkBuilder/RTFWindow.Designer.cs
new file mode 100644
index 0000000..31eafbf
--- /dev/null
+++ b/EduNetworkBuilder/RTFWindow.Designer.cs
@@ -0,0 +1,79 @@
+namespace EduNetworkBuilder
+{
+    partial class RTFWindow
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(RTFWindow));
+            this.rtbContent = new System.Windows.Forms.RichTextBox();
+            this.btnOK = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // rtbContent
+            // 
+            this.rtbContent.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.rtbContent.Location = new System.Drawing.Point(34, 13);
+            this.rtbContent.Name = "rtbContent";
+            this.rtbContent.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.Vertical;
+            this.rtbContent.Size = new System.Drawing.Size(358, 249);
+            this.rtbContent.TabIndex = 0;
+            this.rtbContent.Text = "";
+            // 
+            // btnOK
+            // 
+            this.btnOK.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnOK.Location = new System.Drawing.Point(317, 271);
+            this.btnOK.Name = "btnOK";
+            this.btnOK.Size = new System.Drawing.Size(75, 23);
+            this.btnOK.TabIndex = 1;
+            this.btnOK.Text = "OK";
+            this.btnOK.UseVisualStyleBackColor = true;
+            this.btnOK.Click += new System.EventHandler(this.btnOK_Click);
+            // 
+            // RTFWindow
+            // 
+            this.AcceptButton = this.btnOK;
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(427, 306);
+            this.Controls.Add(this.btnOK);
+            this.Controls.Add(this.rtbContent);
+            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
+            this.Name = "RTFWindow";
+            this.Text = "RTFWindow";
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.RichTextBox rtbContent;
+        private System.Windows.Forms.Button btnOK;
+    }
+}
\ No newline at end of file
diff --git a/EduNetworkBuilder/RTFWindow.resx b/EduNetworkBuilder/RTFWindow.resx
new file mode 100644
index 0000000..19d58c5
--- /dev/null
+++ b/EduNetworkBuilder/RTFWindow.resx
@@ -0,0 +1,827 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
+  <data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
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\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/BellDing.wav b/EduNetworkBuilder/Resources/BellDing.wav
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diff --git a/EduNetworkBuilder/Resources/DHCP.enbx b/EduNetworkBuilder/Resources/DHCP.enbx
new file mode 100644
index 0000000..a2905ae
--- /dev/null
+++ b/EduNetworkBuilder/Resources/DHCP.enbx
@@ -0,0 +1,609 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <height>1024</height>
+    <width>1024</width>
+    <uniqueidentifier>162</uniqueidentifier>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>144</uniqueidentifier>
+      <location>457,141</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>145</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>146</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>147</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>148</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>148</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>149</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>150</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>150</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>151</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>151</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>152</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>152</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>153</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>130</uniqueidentifier>
+      <location>251,506</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>131</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>132</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>133</uniqueidentifier>
+      <location>407,506</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>134</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>135</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>527,506</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>139</uniqueidentifier>
+      <location>658,513</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>140</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>140</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>141</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>154</uniqueidentifier>
+      <location>111,151</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.254</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>154</hostid>
+          <nicid>155</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>155</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>154</hostid>
+          <nicid>156</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.1</ip>
+        <mask>192.168.1.2</mask>
+        <gateway>192.168.1.6</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>154</hostid>
+        <nicid>156</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>147</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>157</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>130</hostid>
+        <nicid>132</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>148</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>158</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>133</hostid>
+        <nicid>135</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>149</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>150</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>160</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>139</hostid>
+        <nicid>141</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>151</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port5</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>161</uniqueidentifier>
+    </link>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Help.rtf b/EduNetworkBuilder/Resources/Help.rtf
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+{\rtf1\ansi\ansicpg1252\deff0\nouicompat\deflang1033{\fonttbl{\f0\fswiss\fprq2\fcharset0 Calibri;}{\f1\fnil\fcharset0 Courier New;}{\f2\fmodern\fprq1\fcharset0 Consolas;}{\f3\fnil\fcharset0 Calibri;}}
+{\colortbl ;\red0\green0\blue255;}
+{\*\generator Riched20 6.3.9600}\viewkind4\uc1 
+\pard\widctlpar\sa200\sl276\slmult1\f0\fs22\lang9 This is a basic help document for EduNetworkBuilder\par
+\b Overview\par
+\b0 EduNetworkBuilder is meant to represent fairly truthfully how a network functions while removing the complexity of configuration.  It focuses on IP addresses, Netmasks, Gateways, and Routes.\par
+\b The Items & Terminology\b0\par
+The items in this are broken into three main portions.  Devices, network cards, and interfaces.  This is how Linux does it, and Windows does too, though it is hard to notice it.\par
+A device is the physical object.  A laptop, desktop, server, etc.\par
+Different devices can have multiple network cards.  Each card has a MAC (Ethernet) address.\par
+Each network card can have multiple IP addresses.  This allows you to have one network wire coming into a computer, but have multiple IP-addresses.  This adds a little bit of complexity, to it being a "simple" network simulation tool.  But it adds a lot of flexibility, as well as being closer to reality.\par
+\b Building a network\b0\par
+Use the item list on the left to choose an item to add to the network.\par
+Click on the link button, then left-click on the starting item and drag to the destination item.  Release the button on the destination and a "link" box will appear.  Select the network-cards and interfaces that are selected.\par
+\b Configuring The Devices\par
+\b0 Double-click an item to edit it.  You can change the host name, and add network cards and interfaces.  You can also set the default gateway and add routes.  On servers, you can configure the DHCP service.\par
+\b Network Cards\par
+\b0 For the most part, you should not need to add extra network cards.  But, if you want to, you can.  If you press the edit button on a network card, you can choose if the network card is configured statically, or through DHCP.\par
+\b Interfaces\b0\par
+You change an interface when you are editing a device.  If the device has multiple network cards, you need to select the network card you want to change the interface for.  The interface initially looks like: "0.0.0.0 - 0.0.0.0"  This is the network and subnet.  The whole object of the program is to simulate what happens when you have different values here.  Or to have someone set up a network and then for you to go in and configure it so it works.  Double-click on an interface to set the IP Address and netmask for that interface.\par
+\b Default Gateway\b0\par
+The default gateway is on a device editing screen at the top-right.  Click on the button to set it.  If a Network Card is set to use DHCP then any value you put in will be overridden if the device does a DHCP Request.\par
+\b ACTIONS\par
+\b0 You can right-click a device and do actions on it.  Delete, edit, ping from, arp from, dhcp request (if the device is configured to use DHCP), remove links between devices, and a few other things.\par
+\b Solving Puzzles\par
+\b0 Under the menu-item, "Samples", you will find the puzzles.  Opening this window will let you select from a number of puzzles which will help you learn how the program functions and test your knowledge of networking.  The puzzles start with a low complexity (level zero is mainly about basic usage of this program) and work their way up.  Starting at the beginning is recommended, but you can jump to whatever complexity you want to master.\par
+As you try to solve a puzzle, you should see a series of radio-buttons on the upper-right.  These are your "help-o-meter."  Help of zero, the bottom, does not do anything for you.  If you click it up one button, it will color-code the machines that have problems.  If you click it onto the third button, it will give you a little more information about the problem when you mouse-over the problematic computer.  And the top-most button will basically tell you what you need to do when you mouse-over the problem.  Some puzzles, however, are set up to not show you the complete solution, and so you will need to think those out.\par
+\b Making Puzzles\par
+\b0 EduNetworkBuilder is set up so you can make puzzles to give to others to do.  Start by thinking out your problem, what you want to solve and how you want them to solve it.  Then, draw your "network."  Once all the pieces to the puzzle have been added and configured to your liking, you need to go to "Edit" and "Options."\par
+Start by giving the puzzle a good name (title).  This shows up at the top of the network window.  You can determine if the device names and their IP addresses are displayed by checking the "Display Titles" checkmark.\par
+Set the "Message given when network loaded", which explains the puzzle.  Make sure to give enough information that they can understand what you want them to do with the puzzle.\par
+Finally, double-click in the "tests" box, or right-click to "add" a test.  Choose the device that is affected.  The source device is the one that will change color to tell you that there is a problem with it.  There are many sorts of tests, from needing to ping something, to have an IP-Address which is considered "local" to something else.\par
+You can also choose to "lock" things.  This keeps others from changing them during the puzzle.  For example, locking pc0 NIC 192.168.1.3 will keep people from changing the network card that has the IP address of 192.168.1.3.\par
+\b Levels:\par
+\b0 Level_0:  Program operation.\par
+Level_1: Basics: IP Addresses, Netmask, Gateway, Ping, etc.\par
+Level_2: Firewalls, VPNs, etc.\par
+Level_3: Troubleshooting the basics\par
+Level_4: Advanced Subnetting and Routing\par
+\b NETWORKING TOPICS:\par
+The Basics:\par
+\b0 There are four main components to subnetting.  The IP Address, the netmask, the default gateway, and static routes.\par
+\b The IP Address:\par
+\b0 The IP Address is a set of four numbers, connected by periods.  Each of the numbers is eight bits long, which means it is a number between 0 and 255.  Most IP addresses are reserved for specific people, places, and things.  But there are three main sets of "internal" IP addresses that are set aside for use behind firewalls.  10.x.x.x, 192.168.x.x, and 172.16-31.x.x\par
+\b The Netmask:\par
+\b0 The network mask (or netmask) is a set of numbers that state what is considered "local" and what is considered "remote."  Anything that is not considered local is sent to the computer specified by the "default gateway."  Anything that is considered local is sent straight out to the local network, destined to the local machine.\par
+The netmask usually looks something like 255.255.255.0.  In binary, this looks like: \par
+11111111.11111111.11111111.00000000\par
+Again, each bit can either be 0 or 1, and a byte is 8 bits in length.  There are 4 bytes in each IP address, and the same number in each netmask.  The 255 number is the highest number that can be represented in one byte.  All the bits are set to 1.  \par
+A netmask can also be expressed by "CIDR" notation.  This is a count of how many 1s there are in a row before the first zero.  The number above would be expressed as /24.\par
+\b The Gateway:\par
+\b0 The gateway is a computer on the same subnet as the IP address, where any non-local packets are sent to.  The computer compares the destination IP address with the local computer's IP address, using the subnet-mask to determine if it is local or not.  If the packet is local, it is sent straight out of the network card to the destination computer.  If the packet is not local, it is routed to the default gateway, which sends it on towards the final destination.\par
+\b DHCP:\par
+\b0 DHCP is a protocol for when a computer does not have a static IP address set up for it.  Often when a computer turns on or connects up to the wireless, it needs to have one assigned to it.  DHCP is what happens.  Basically the client broadcast out a "DHCP" request.  The request only goes out to "local" computers (it stops when it hits a router).  A DHCP Server will respond (if one exists on the local network) and give the client an IP Address.\b\par
+DHCP Server:\par
+\b0 (See DHCP above) A DHCP server remembers all the clients that request IP addresses so it issues the same IP address if that particular client asks a second time.  It also remembers which IP addresses it has given out so it does not give the same IP address to different computers.\b\par
+Ping:\par
+\b0 A Ping is a simple packet that is sent from one comput to the other.  The computer you send the ping packet to will usually respond.  The word "Ping" comes from the concept of a submarine and sonar.  Something does a "Ping" and you hear an echo to tell you that the computer is alive.  This is usually what it is used for, to determine if a computer is turned on, functional, or to see if the network is properly set up.\b\par
+ARP:\par
+\b0 ARP stands for "Address Resolution Protocol."  Computers on a local network talk to each-other by using the MAC Addresses.  These are addresses that are unique to each network card, that look something like: \f1\lang1033 10:08:b1:73:aa:5b\par
+\f0\lang9 ARP is what is used when one computer wants to find the MAC address of another computer.  It usually sends out a broadcast that says, "who has this IP Address?"  And it gets a response back that says something like, "I have that IP and my MAC address is: \f1\lang1033 10:08:b1:73:aa:5b\f0\lang9 "\par
+We do not get into it too much on this program, but if a computer does not know the MAC address of the computer it is trying to communicate with, it first sends out an ARP request to find that before it sends out a packet containing the ping or other communication.\par
+You can usually run: arp -a\par
+from a commandline to see all the MAC addresses that the computer has remembered.\par
+\b Unicast Packet:\par
+\b0 A Unicast packet is a packet that is going to one specific computer.\b\par
+Broadcast Packet:\par
+\b0 A broadcast packet is one that is sent out to everything that is considered local to it.  Routers, firewalls, and some other devices do not pass broadcasts on.\b\par
+Static Routes:\par
+\b0 A static route has a network, a subnet mask, and a gateway.  The gateway must be local to the computer that is sending out the packet, otherwise the computer cannot figure out how to send the packet.  Static routes are used primarily for telling routers, firewalls, and computers how to send packets when the IP addresses and gateways are not obvious.\par
+\b Comparing IP addresses:\par
+\b0 When a computer wants to compare IP Addresses, it does it by using the subnet mask.  A mask hides something.  A Halloween mask hides our face; masking tape covers a wall to keep it from being painted on.  A subnet mask hides the subnet.  For example, an IP address of 192.168.0.50 and netmask of 255.255.255.0 looks like:\par
+
+\pard\widctlpar\fs24\lang1033 IP:\par
+11000000.10101000.00000000.00110010\par
+Mask:\par
+11111111.11111111.11111111.00000000\par
+
+\pard\widctlpar\sa200\sl276\slmult1\fs22\lang9 The mask has 24 ones in a row.  So it could also be represented as /24.  When it is compared, the first thing that happens is the subnet is masked out.  In the mask, the final set of numbers are zeroes.  The numbers where the mask is a 0 is dropped.  The resulting number is: 192.168.0.0.  This is called the "Network Address."  We do the same thing for both the source and destination IP.  Then we compare the Network Address of both of them.  If they have the same network address, then they are considered to be on the same network.  If they do not have the same network address, they are considered to be on different networks.\par
+\b VPNs:\par
+\b0 A VPN stands for a "Virtual Private Network."  It is used to make a secure connection between computers or networks, usually across the Internet.  It is usually used in the context of either someone working from home and wanting to access printers or file-shares off the office network.  Or, two different networks wish to be connected (two offices in different states, etc).\b\par
+ADVANCED TOPICS:\b0\par
+\b Subnetting:  \b0 (Based heavily off of LordFlasheart's post, "Subnetting Made Easy" here: {{\field{\*\fldinst{HYPERLINK http://www.techexams.net/forums/ccna-ccent/38772-subnetting-made-easy.html }}{\fldrslt{http://www.techexams.net/forums/ccna-ccent/38772-subnetting-made-easy.html\ul0\cf0}}}}\f0\fs22\par
+An IP address is made up of 32 bits, split into 4 octets (octet = 8 bits). Some bits are reserved for identifying the network and the other bits are left to identify the host.\par
+Below shows you how, for each class, the address is split in terms of network (N) and host (H) portions.\par
+\f2 NNNNNNNN.HHHHHHHH.HHHHHHHH.HHHHHHHH /8\par
+NNNNNNNN.NNNNNNNN.HHHHHHHH.HHHHHHHH /16\par
+NNNNNNNN.NNNNNNNN.NNNNNNNN.HHHHHHHH /24\par
+\f0 There is a boundary at each dot, therefore there are boundaries after bits 8, 16, 24, and 32. This is an important concept to remember.  The first move in doing any work with subnets is to figure out which boundary segment you are working within.  So you will need to remember the 8, 16, 24, 32.\par
+We will either be working with the netmask given in CIDR notation (/24) or in dotted decimal (255.255.255.0).  The first thing to do is to determine the block size: how big the subnet is.\par
+With CIDR (/24) we do this by first finding the nearest boundary higher than our number.  For example, we are using a /20 subnet.  The next boundary up is /24.  We then subtract our subnet from the boundary.  24 - 20 = 3.  There are three bits that make up the size of the subnet.  the number of numbers in 3 bits = 2 ^ 3 (two to the power of 3, or 2 * 2 * 2), which is 8.  Remember that the first number is lost to the "network address" and the last number is the "broadcast address".\par
+It is very simple to determine the block size when using the dotted decimal (255.255.255.0) format.  You find the last number that is not 255, and subtract it from 256.  For example, if you are doing 255.255.255.240, the last number is 240.  256 - 240 = 16.  So the block size is 16.  But, what do we do with the block size?  Well, the easiest thing to do is to look at a number of examples, and it should make more sense.\par
+\b Question:  What subnet does 192.168.12.37/29 belong to?\par
+\b0 You may wonder where to begin. We always start with determining which boundary we are working with for this address.\par
+Our mask is a /29. The next boundary up is 32. So 32 - 29 = 3. Now 2^3 = 8 which gives us our block size i.e. 2 to the power of 3 equals 8. \par
+We have borrowed from the last octet as the 29th bit is in the last octet. We start from zero and count up in our block size. Therefore it follows that the subnets are:-\par
+\par
+192.168.12.0\par
+192.168.12.8\par
+192.168.12.16\par
+192.168.12.24\par
+192.168.12.32\par
+192.168.12.40\par
+.............etc.\par
+Our address is 192.168.12.37 so it must sit on the 192.168.12.32 subnet.\par
+\par
+\b Question: What subnet does 172.16.116.4/19 sit on?\par
+\b0 Our mask is /19 and our next boundary is 24. Therefore 24 - 19 = 5. The block size is 2^5 = 32.\par
+We have borrowed into the third octet as bit 19 is in the third octet so we count up our block size in that octet. The subnets are:-\par
+172.16.0.0\par
+172.16.32.0\par
+172.16.64.0\par
+172.16.96.0\par
+172.16.128.0\par
+172.16.160.0\par
+.............etc.\par
+Our address is 172.16.116.4 so it must sit on the 172.16.96.0 subnet. Easy eh?\par
+\b Question: What subnet does 10.34.67.234/12 sit on?\par
+\b0 Our mask is 12. Our next boundary is 16. Therefore 16 - 12 = 4. 2^4 = 16 which gives us our block size.\par
+We have borrowed from the second octet as bit 12 sits in the second octet so we count up the block size in that octet. The subnets are:-\par
+10.0.0.0\par
+10.16.0.0\par
+10.32.0.0\par
+10.48.0.0\par
+.............etc.\par
+Our address is 10.34.67.234 which must sit on the 10.32.0.0 subnet.\par
+Hopefully the penny is starting make sense. We will now change the type of question so that we have to give a particular host range of a subnet.\par
+\b Question: What is the valid host range of the 4th subnet of 192.168.10.0/28?\par
+\b0 Easy as pie! The block size is 16 since 32 - 28 = 4 and 2^4 = 16. We need to count up in the block size in the last octet as bit 28 is in the last octet.\par
+192.168.10.0\par
+192.168.10.16\par
+192.168.10.32\par
+192.168.10.48\par
+192.168.10.64\par
+.................etc.\par
+Therefore the 4th subnet is 192.168.10.48 and the host range must be 192.168.10.49 to 192.168.10.62, remembering that the subnet and broadcast address cannot be used.\par
+\b Question: What is the valid host range of the 1st subnet of 172.16.0.0/17?\par
+\b0 /17 tells us that the block size is 2^(24-17) = 2^7 = 128. We are borrowing in the 3rd octet as bit 17 is in the 3rd octet. Our subnets are:-\par
+172.16.0.0\par
+172.16.128.0\par
+The first subnet is 172.16.0.0 and the valid host range is 172.16.0.1 to 172.16.127.254. You must remember not to include the subnet address (172.16.0.0) and the broadcast address (172.16.127.255).\par
+\b Question: What is the valid host range of the 7th subnet of address 10.0.0.0/14?\par
+\b0 The block size is 4, from 16 - 14 = 2 then 22 = 4. We are borrowing in the second octet so count in the block size from 0 seven times to get the seventh subnet.\par
+The seventh subnet is 10.24.0.0. Our valid host range must be 10.24.0.1 to 10.27.255.254 again remembering not to include our subnet (10.24.0.0) and the broadcast address (10.27.255.255).\par
+\b What if they give me the subnet mask in dotted decimal?\par
+\b0 If you're lucky and they give you a mask in dotted decimal format then you should have an even easier time. All you need again is your block size.\par
+Let's say they have given a mask of 255.255.255.248 and you wish to know the block size. Here's the technique:\par
+1. Starting from the left of the mask find which is the first octet to NOT have 255 in it.\par
+2. Subtract the number in that octet from 256 to get your block size e.g. above it is 256 - 248 = block size of 8.\par
+3. Count up from zero in your block size in the octet identified in step 1 as you have learned above (the example above would be in the last octet).\par
+Another example is a mask of 255.255.192.0 - you would simply count up in 256 - 192 = 64 in the third octet.\par
+One more example is 255.224.0.0 - block size is 256 - 224 = 32 in the second octet.\par
+\b WHEN TO SUBNET:\par
+\b0 The word, "subnet", means one network that is part of another.  The process of subnetting, therefore, is the process of breaking a network into smaller pieces.\b\par
+\b0 Subnetting used to be very critical to the smooth operations of a network.  Old versions of Windows did lots of broadcasting, and networks were very loud.  That, combined with slower networks, meant a lot of congestion.  To remedy that, they used to subnet networks into small pools of like items (PCs, printers, servers, etc.)  This would have the net effect of shrinking the distance a broadcast packet would travel, as well as give granular control of security.\par
+But a number of technological advances happened, which removed many of the reasons to subnet.\par
+* Switches were invented so only broadcast traffic went to every machine.\par
+* Protocols got a lot smarter, relying less and less on broadcast traffic to make things work.\par
+* Programs got a lot smarter, using other methods than broadcasts.\par
+* Router speed increased, so routers could handle more traffic and larger routing tables.\par
+* Network speeds increased exponentially, which increased the carrying capacity of a single network exponentially.\par
+* And many other advances.\par
+So, in short, subnetting is no longer critical for making a small network function.  But subnetting of large networks is very important.  Security is probably the biggest reason to subnet.  Subnetting very large networks can still be very helpful in keeping down traffic.  And Subnetting networks that are connected via VPNs is still a very important part of planning large scale networks.\par
+There are a few main rules for how to subnet:\par
+* All IP subnets should use natural boundaries.\par
+* Grouping like objects into \ldblquote natural\rdblquote  subnets makes them easier to control.\par
+* Smaller adjacent subnets should fit into larger subnets, most of the time.\par
+* Smaller routing tables require less management and resources.\par
+\b All IP subnets should use natural boundaries.\par
+\b0 Even if you do not need all the space, you should break up networks into ranges of the power of 2.  It is very common to say something like, the first 50 IPs are for networking equipment, the next 20 are for printers, etc.  But it is much better to use 64 IPs for networking equipment, and 16 IPs for printers...  The numbers are not quite as simple on the brain, but they are a lot easier to control in your firewall.  You can block access from the Internet to your networking equipment my making one simple rule if you make your ranges appropriately.  You should also plan on growth.  It is very common for people to run out of their IP space, simply because they failed to plan.\par
+\b Grouping like objects into \ldblquote natural\rdblquote  subnets makes them easier to control.\par
+\b0 As mentioned above, it is common to want to block Internet access directly to and from your networking equipment and printers.  You may want to allow certain traffic to individual departments (many organizations allow the media departments to access Facebook and social media sites during work-hours, while other departments are not allowed to access those same sites.)  If your equipment and PCs are subnetted along natural boundaries (8, 16, 32, 64, etc.), you can usually make a single rule to allow or block traffic to those particular items.\par
+\b Smaller adjacent subnets should fit into larger subnets, most of the time.\par
+\b0 If you plan it right, you should be able to supernet your subnets, and have one route or rule for them.  For example, you may have your networking equipment in 1-63, and your printers from 65-127.  That means you can have one route or rule that matches all 128 IPs.  This makes life a lot simpler for creating many sorts of rules.\b\par
+Smaller routing tables require less management and resources.\par
+\b0 Again, with the onset of more powerful routers, firewalls, and faster networking speeds, this is no longer quite as critical as it once was.  But if you have a finely tuned firewall, you can end up with many rules.  Often it is very nice to block all access to a whole range instead of blocking access to each machine one IP at a time.  Often, the "less management" simply means less work for the techies who are keeping things running smoothly.\f3\par
+}
+�
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Hub.png b/EduNetworkBuilder/Resources/Hub.png
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diff --git a/EduNetworkBuilder/Resources/Level0-Help.enbx b/EduNetworkBuilder/Resources/Level0-Help.enbx
new file mode 100644
index 0000000..5958fb5
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0-Help.enbx
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>To learn how this program works, first we will acquaint you with the 'Help.'  Most of the puzzles you do, you will want to do with as little help as possible.  But, there is help when you need it.  For this puzzle, click one of the four help-levels (round buttons) on the right.  Then mouse-over the PC and see the messages.  When you have moused-over for all the buttons (and pressed the ? box), this puzzle will be completed.</message>
+    <title>Learn how help works</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>0</level>
+    <sortorder>0</sortorder>
+    <uniqueidentifier>106</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>400,420</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>none</dhost>
+      <thetest>HelpRequest</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>basic</dhost>
+      <thetest>HelpRequest</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>hints</dhost>
+      <thetest>HelpRequest</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>full</dhost>
+      <thetest>HelpRequest</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>?Button</dhost>
+      <thetest>HelpRequest</thetest>
+    </nettest>
+    <tag>Help</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level0-HubVsSwitch.enbx b/EduNetworkBuilder/Resources/Level0-HubVsSwitch.enbx
new file mode 100644
index 0000000..54351ad
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0-HubVsSwitch.enbx
@@ -0,0 +1,1144 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>This puzzle shows the difference between a hub and a switch.
+Have each of the servers ping the computers on the same lan as themselves, and have those computers ping the server.  
+The switch learns which device is attached to it and only sends the packet to that computer, while the hub sends the packet to every device on the subnet.</message>
+    <title>Switch vs Hub</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>0</level>
+    <sortorder>4</sortorder>
+    <uniqueidentifier>174</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_hub0</hostname>
+      <size>100</size>
+      <uniqueidentifier>160</uniqueidentifier>
+      <location>740,390</location>
+      <mytype>net_hub</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>161</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>162</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>163</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>164</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>165</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>166</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>167</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>168</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>168</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>169</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>100,390</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>106</uniqueidentifier>
+      <location>200,520</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>107</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>108</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>155</uniqueidentifier>
+      <location>620,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>156</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>157</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>132</uniqueidentifier>
+      <location>100,250</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>133</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>134</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>135</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>740,250</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.4.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.4.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>139</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>403,110</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>143</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.4.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.1</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.1</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.1</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>8,520</location>
+      <mytype>server</mytype>
+      <isdns>True</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.2</ip>
+        <mask>192.168.1.5</mask>
+        <gateway>192.168.1.7</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server1</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>860,530</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>server1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>server1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.2</ip>
+        <mask>192.168.2.5</mask>
+        <gateway>192.168.2.10</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>132</hostid>
+        <nicid>134</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>155</hostid>
+        <nicid>157</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>160</hostid>
+        <nicid>164</nicid>
+        <hostname>net_hub0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>171</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>143</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>148</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>132</hostid>
+        <nicid>135</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>160</hostid>
+        <nicid>166</nicid>
+        <hostname>net_hub0</hostname>
+        <nicname>port4</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>136</hostid>
+        <nicid>139</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>173</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>144</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>106</hostid>
+        <nicid>108</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>145</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>server1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>160</hostid>
+        <nicid>165</nicid>
+        <hostname>net_hub0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>172</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>server0</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>server0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>server1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>server1</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>Ping</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level0-IP.enbx b/EduNetworkBuilder/Resources/Level0-IP.enbx
new file mode 100644
index 0000000..41e4632
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0-IP.enbx
@@ -0,0 +1,465 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>pc0 needs an IP that is local to the other two computers.  Double-click PC0, double-click the IP-Address (0.0.0.0) and put a good IP address there.</message>
+    <title>IP Puzzle</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <uniqueidentifier>122</uniqueidentifier>
+    <level>0</level>
+    <sortorder>03.00</sortorder>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>426,306</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.6</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>105</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>106</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>107</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>108</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>109</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>110,306</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>113</uniqueidentifier>
+      <location>750,542</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>114</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>115</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>116</uniqueidentifier>
+      <location>762,97</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>116</hostid>
+          <nicid>117</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>116</hostid>
+          <nicid>118</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>116</hostid>
+        <nicid>118</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>119</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>113</hostid>
+        <nicid>115</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>120</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>105</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>121</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc2</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <tag>IP</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level0-NeedsLink.enbx b/EduNetworkBuilder/Resources/Level0-NeedsLink.enbx
new file mode 100644
index 0000000..98d9538
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0-NeedsLink.enbx
@@ -0,0 +1,369 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Plug in the network to the computer that needs it.  Click on the link icon (the line) and drag the pointer from the switch to the computer.  When you release the mouse button, the link window will pop up.  Choose the ports you want to connect, and you should be finished.</message>
+    <title>Plug in network</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <uniqueidentifier>118</uniqueidentifier>
+    <level>0</level>
+    <sortorder>01.00</sortorder>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>394,150</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>105</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>106</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>107</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>108</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>109</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>131,416</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>113</uniqueidentifier>
+      <location>666,433</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>114</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>115</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>113</hostid>
+        <nicid>115</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>116</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>net_switch0</dhost>
+      <thetest>NeedsLinkToDevice</thetest>
+    </nettest>
+    <tag>Link</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level0-NoSwitch.enbx b/EduNetworkBuilder/Resources/Level0-NoSwitch.enbx
new file mode 100644
index 0000000..511bd3a
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0-NoSwitch.enbx
@@ -0,0 +1,209 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>There is no switch.  Add one and link the devices to it.  Click on the switch and add it to the network (make sure you add a switch and not a hub).  Then, drag links from the switch to the computers, choosing the ports to connect.</message>
+    <title>No Switch</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <uniqueidentifier>119</uniqueidentifier>
+    <level>0</level>
+    <sortorder>02.00</sortorder>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>187,465</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>562,472</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>116</uniqueidentifier>
+      <location>378,455</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>116</hostid>
+          <nicid>117</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>116</hostid>
+          <nicid>118</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>net_switch0</dhost>
+      <thetest>NeedsLinkToDevice</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>net_switch0</dhost>
+      <thetest>NeedsLinkToDevice</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>net_switch0</dhost>
+      <thetest>NeedsLinkToDevice</thetest>
+    </nettest>
+    <tag>Link</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level0-Ping.enbx b/EduNetworkBuilder/Resources/Level0-Ping.enbx
new file mode 100644
index 0000000..3167b74
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0-Ping.enbx
@@ -0,0 +1,562 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Right-click PC0 and ping laptop0 and laptop1.  You can put either the IP address or host-name of the device you are trying to ping in the box that pops up asking you for an IP. </message>
+    <title>Ping Test</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>0</level>
+    <sortorder>1</sortorder>
+    <uniqueidentifier>130</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>559,560</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>123</uniqueidentifier>
+      <location>680,147</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>124</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>125</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>406,328</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>246,560</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>119</uniqueidentifier>
+      <location>400,158</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>120</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>121</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>122</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>112</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>126</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>113</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>127</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>114</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>119</hostid>
+        <nicid>121</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>128</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>119</hostid>
+        <nicid>122</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>125</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>129</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>laptop0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>laptop1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>Ping</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level0-SimpleDHCP.enbx b/EduNetworkBuilder/Resources/Level0-SimpleDHCP.enbx
new file mode 100644
index 0000000..b01cded
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0-SimpleDHCP.enbx
@@ -0,0 +1,397 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Tell the PC to do a DHCP request.  Right-click on the PC to see the menu, or do it from the 'All' menu.</message>
+    <title>DHCP Request</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <uniqueidentifier>118</uniqueidentifier>
+    <level>0</level>
+    <sortorder>03.00</sortorder>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>422,141</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>102.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>106</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>107</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>108</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>109</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>113</uniqueidentifier>
+      <location>691,444</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>114</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>115</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>176,407</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.2</ip>
+        <mask>192.168.1.50</mask>
+        <gateway>192.168.1.60</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>103</hostid>
+        <nicid>106</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>116</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>113</hostid>
+        <nicid>115</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>103</hostid>
+        <nicid>107</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>117</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>server0</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <tag>DHCP</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level0_BrokenLink.enbx b/EduNetworkBuilder/Resources/Level0_BrokenLink.enbx
new file mode 100644
index 0000000..4049115
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0_BrokenLink.enbx
@@ -0,0 +1,565 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>This shows what happens if there is a broken network wire in your network.  Ping laptop1 and see where the packet dies.  Open one of the devices connected to that link and you will see that, even though the device has a link connected to it, it does not have a "connection light" saying it is connected.  (The connection-light is the * at the end of the eth name).  You can also edit the network card to see if it thinks it is connected.  Remove the broken network wire by right-clicking one of the devices at either end and removing the link.  Then add the link again.  A successful ping tells you if you got it working.</message>
+    <title>Broken Link</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>0</level>
+    <sortorder>6</sortorder>
+    <uniqueidentifier>131</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>559,560</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>123</uniqueidentifier>
+      <location>680,147</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>124</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>125</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>406,328</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>246,560</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>119</uniqueidentifier>
+      <location>400,158</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>120</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>121</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>122</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>112</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>126</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>113</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>127</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>114</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>119</hostid>
+        <nicid>121</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>128</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>119</hostid>
+        <nicid>122</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>125</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>broken</linktype>
+      <uniqueidentifier>130</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>laptop1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>laptop1</shost>
+      <dhost>router0</dhost>
+      <thetest>NeedsLinkToDevice</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level0_NetworkLoop.enbx b/EduNetworkBuilder/Resources/Level0_NetworkLoop.enbx
new file mode 100644
index 0000000..c1841ec
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0_NetworkLoop.enbx
@@ -0,0 +1,859 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>This puzzle shows you what happens when you create a network loop.  A loop is made when you have your switches connected to themselves or to another one that is connected back to the first one.  Ping from pc0 to pc1 to see what happens.  You do not need to fix the problem, but right-clicking one of the switches and removing one of the offending links would do it.</message>
+    <title>Network loop</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>0</level>
+    <sortorder>3</sortorder>
+    <uniqueidentifier>171</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_hub0</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>520,540</location>
+      <mytype>net_hub</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>139</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>140</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>140</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>141</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>142</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>143</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>144</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>145</nicid>
+          <hostname>net_hub0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_hub1</hostname>
+      <size>100</size>
+      <uniqueidentifier>146</uniqueidentifier>
+      <location>280,290</location>
+      <mytype>net_hub</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>146</hostid>
+          <nicid>147</nicid>
+          <hostname>net_hub1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>146</hostid>
+          <nicid>148</nicid>
+          <hostname>net_hub1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>148</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>146</hostid>
+          <nicid>149</nicid>
+          <hostname>net_hub1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>146</hostid>
+          <nicid>150</nicid>
+          <hostname>net_hub1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>150</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>146</hostid>
+          <nicid>151</nicid>
+          <hostname>net_hub1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>151</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>146</hostid>
+          <nicid>152</nicid>
+          <hostname>net_hub1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>152</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>146</hostid>
+          <nicid>153</nicid>
+          <hostname>net_hub1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>146</hostid>
+          <nicid>154</nicid>
+          <hostname>net_hub1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>146</hostid>
+          <nicid>155</nicid>
+          <hostname>net_hub1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>155</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_hub2</hostname>
+      <size>100</size>
+      <uniqueidentifier>156</uniqueidentifier>
+      <location>540,160</location>
+      <mytype>net_hub</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>157</nicid>
+          <hostname>net_hub2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>158</nicid>
+          <hostname>net_hub2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>158</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>159</nicid>
+          <hostname>net_hub2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>159</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>160</nicid>
+          <hostname>net_hub2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>161</nicid>
+          <hostname>net_hub2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>162</nicid>
+          <hostname>net_hub2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>163</nicid>
+          <hostname>net_hub2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>164</nicid>
+          <hostname>net_hub2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>165</nicid>
+          <hostname>net_hub2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>130</uniqueidentifier>
+      <location>190,650</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>131</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>132</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>133</uniqueidentifier>
+      <location>830,190</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>134</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>135</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>146</hostid>
+        <nicid>149</nicid>
+        <hostname>net_hub1</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>136</hostid>
+        <nicid>139</nicid>
+        <hostname>net_hub0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>166</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>140</nicid>
+        <hostname>net_hub0</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>156</hostid>
+        <nicid>159</nicid>
+        <hostname>net_hub2</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>167</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>146</hostid>
+        <nicid>150</nicid>
+        <hostname>net_hub1</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>156</hostid>
+        <nicid>160</nicid>
+        <hostname>net_hub2</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>168</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>146</hostid>
+        <nicid>151</nicid>
+        <hostname>net_hub1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>130</hostid>
+        <nicid>132</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>169</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>156</hostid>
+        <nicid>161</nicid>
+        <hostname>net_hub2</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>133</hostid>
+        <nicid>135</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>170</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>Ping</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level0_NetworkLoop2.enbx b/EduNetworkBuilder/Resources/Level0_NetworkLoop2.enbx
new file mode 100644
index 0000000..2d50dd5
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level0_NetworkLoop2.enbx
@@ -0,0 +1,1636 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Managed Switches can use Spanning Tree, which intelligently figures out the least distance path to a point.  It is made so you can have network loops and survive.  Try pinging pc1 twice from pc0.  The first time, some packets are lost.  But the second time the packet goes where it should.</message>
+    <title>Network Loop</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>0</level>
+    <sortorder>3.5</sortorder>
+    <uniqueidentifier>214</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>210,410</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>105</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>106</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>107</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>108</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>109</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>360,280</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>120</uniqueidentifier>
+      <location>350,480</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch6</hostname>
+      <size>100</size>
+      <uniqueidentifier>160</uniqueidentifier>
+      <location>620,480</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>161</nicid>
+          <hostname>net_switch6</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>162</nicid>
+          <hostname>net_switch6</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>163</nicid>
+          <hostname>net_switch6</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>164</nicid>
+          <hostname>net_switch6</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>165</nicid>
+          <hostname>net_switch6</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>166</nicid>
+          <hostname>net_switch6</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>167</nicid>
+          <hostname>net_switch6</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>168</nicid>
+          <hostname>net_switch6</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>168</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>169</nicid>
+          <hostname>net_switch6</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch7</hostname>
+      <size>100</size>
+      <uniqueidentifier>170</uniqueidentifier>
+      <location>620,280</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>171</nicid>
+          <hostname>net_switch7</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>172</nicid>
+          <hostname>net_switch7</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>172</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>173</nicid>
+          <hostname>net_switch7</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>173</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>174</nicid>
+          <hostname>net_switch7</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>175</nicid>
+          <hostname>net_switch7</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>176</nicid>
+          <hostname>net_switch7</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>176</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>177</nicid>
+          <hostname>net_switch7</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>178</nicid>
+          <hostname>net_switch7</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>179</nicid>
+          <hostname>net_switch7</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>179</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch8</hostname>
+      <size>100</size>
+      <uniqueidentifier>180</uniqueidentifier>
+      <location>750,370</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>180</hostid>
+          <nicid>181</nicid>
+          <hostname>net_switch8</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>181</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>180</hostid>
+          <nicid>182</nicid>
+          <hostname>net_switch8</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>182</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>180</hostid>
+          <nicid>183</nicid>
+          <hostname>net_switch8</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>183</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>180</hostid>
+          <nicid>184</nicid>
+          <hostname>net_switch8</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>184</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>180</hostid>
+          <nicid>185</nicid>
+          <hostname>net_switch8</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>180</hostid>
+          <nicid>186</nicid>
+          <hostname>net_switch8</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>186</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>180</hostid>
+          <nicid>187</nicid>
+          <hostname>net_switch8</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>187</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>180</hostid>
+          <nicid>188</nicid>
+          <hostname>net_switch8</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>188</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>180</hostid>
+          <nicid>189</nicid>
+          <hostname>net_switch8</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>189</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>190</uniqueidentifier>
+      <location>880,380</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>190</hostid>
+          <nicid>191</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>191</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>190</hostid>
+          <nicid>192</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>192</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>193</uniqueidentifier>
+      <location>50,420</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>193</hostid>
+          <nicid>194</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>194</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>193</hostid>
+          <nicid>195</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>195</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>193</hostid>
+        <nicid>195</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>196</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>105</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>123</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>198</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>197</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>170</hostid>
+        <nicid>175</nicid>
+        <hostname>net_switch7</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>180</hostid>
+        <nicid>183</nicid>
+        <hostname>net_switch8</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>207</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>160</hostid>
+        <nicid>165</nicid>
+        <hostname>net_switch6</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>180</hostid>
+        <nicid>184</nicid>
+        <hostname>net_switch8</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>208</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>180</hostid>
+        <nicid>185</nicid>
+        <hostname>net_switch8</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>190</hostid>
+        <nicid>192</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>209</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>110</hostid>
+        <nicid>114</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>160</hostid>
+        <nicid>163</nicid>
+        <hostname>net_switch6</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>210</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>120</hostid>
+        <nicid>124</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>170</hostid>
+        <nicid>173</nicid>
+        <hostname>net_switch7</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>211</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>110</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>170</hostid>
+        <nicid>174</nicid>
+        <hostname>net_switch7</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>212</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>120</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>160</hostid>
+        <nicid>164</nicid>
+        <hostname>net_switch6</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>213</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>Ping</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1-BadDHCP.enbx b/EduNetworkBuilder/Resources/Level1-BadDHCP.enbx
new file mode 100644
index 0000000..83b4b57
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1-BadDHCP.enbx
@@ -0,0 +1,551 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>The Server is giving out bad DHCP.  Edit the DHCP settings to tell it to give correct DHCP.  (You do this by selecting 'DHCP' from the device-editing screen) Then do a DHCP request on all the PCs.</message>
+    <title>Bad DHCP</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <uniqueidentifier>126</uniqueidentifier>
+    <level>1</level>
+    <sortorder>02.00</sortorder>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>408,281</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>212,649</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.51</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>192.168.1.254</gateway>
+            <type>route</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>106</uniqueidentifier>
+      <location>604,642</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>107</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>108</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.50</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>192.168.1.254</gateway>
+            <type>route</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>708,284</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>192.168.1.60</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>103,277</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.254</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.1.60</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.1</ip>
+        <mask>192.168.2.50</mask>
+        <gateway>192.168.2.60</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>122</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>123</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>106</hostid>
+        <nicid>108</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>124</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>125</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>server0</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>server0</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <tag>DHCP</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1-BadIP.enbx b/EduNetworkBuilder/Resources/Level1-BadIP.enbx
new file mode 100644
index 0000000..94011a5
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1-BadIP.enbx
@@ -0,0 +1,534 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>PC0 cannot ping one of the other computers.  Figure out which one, and change the IP address of that computer so it works.</message>
+    <title>Bad IP</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <uniqueidentifier>126</uniqueidentifier>
+    <level>1</level>
+    <sortorder>01.00</sortorder>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>450,216</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.6</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>95,216</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>288,605</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>106</uniqueidentifier>
+      <location>646,591</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>107</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>108</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>789,216</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>122</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>123</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>124</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>106</hostid>
+        <nicid>108</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>125</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc2</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <tag>IP</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1-DuplicateIPs.enbx b/EduNetworkBuilder/Resources/Level1-DuplicateIPs.enbx
new file mode 100644
index 0000000..67965c7
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1-DuplicateIPs.enbx
@@ -0,0 +1,637 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Get the PCs so they are happy</message>
+    <title>Duplicate IPs</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>1</level>
+    <sortorder>4</sortorder>
+    <uniqueidentifier>162</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>144</uniqueidentifier>
+      <location>457,141</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>145</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>146</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>147</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>148</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>148</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>149</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>150</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>150</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>151</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>151</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>152</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>152</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>144</hostid>
+          <nicid>153</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>130</uniqueidentifier>
+      <location>251,506</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>131</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>132</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>133</uniqueidentifier>
+      <location>407,506</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>134</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>135</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>527,506</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>139</uniqueidentifier>
+      <location>658,513</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>140</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>140</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>141</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>154</uniqueidentifier>
+      <location>111,151</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.254</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>154</hostid>
+          <nicid>155</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>155</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>154</hostid>
+          <nicid>156</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.1</ip>
+        <mask>192.168.1.2</mask>
+        <gateway>192.168.1.6</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>154</hostid>
+        <nicid>156</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>147</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>157</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>130</hostid>
+        <nicid>132</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>148</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>158</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>133</hostid>
+        <nicid>135</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>149</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>150</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>160</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>139</hostid>
+        <nicid>141</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>144</hostid>
+        <nicid>151</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port5</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>161</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>pc2</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc3</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc3</shost>
+      <dhost>server0</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <tag>IP</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1-MidDHCP.enbx b/EduNetworkBuilder/Resources/Level1-MidDHCP.enbx
new file mode 100644
index 0000000..c57be9e
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1-MidDHCP.enbx
@@ -0,0 +1,865 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>These IP-Phones cannot have a static IP.  You must add a server on the 192.168.1.0 network and configure the DHCP server.  Give an IP to the phone, so the phone can ping the PCs on the other side of the network</message>
+    <title>Add DHCP Server</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>1</level>
+    <sortorder>05.00</sortorder>
+    <uniqueidentifier>146</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>ip_phone0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>360,470</location>
+      <mytype>ip_phone</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>ip_phone0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>ip_phone0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>240,310</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>106</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>107</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>108</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>109</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>120</uniqueidentifier>
+      <location>750,320</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.5.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>130</uniqueidentifier>
+      <location>750,470</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>131</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>132</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.5.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>133</uniqueidentifier>
+      <location>610,470</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>134</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>135</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>880,470</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.5.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>116</uniqueidentifier>
+      <location>470,150</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>116</hostid>
+          <nicid>117</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>116</hostid>
+          <nicid>118</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>116</hostid>
+          <nicid>119</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>133</hostid>
+        <nicid>135</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>123</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>139</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>130</hostid>
+        <nicid>132</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>124</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>140</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>141</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>120</hostid>
+        <nicid>126</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port4</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>116</hostid>
+        <nicid>118</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>142</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>106</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>116</hostid>
+        <nicid>119</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>143</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>ip_phone0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>103</hostid>
+        <nicid>108</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>145</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>ip_phone0</shost>
+      <dhost>router0</dhost>
+      <thetest>NeedsDefaultGW</thetest>
+    </nettest>
+    <nettest>
+      <shost>ip_phone0</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1-MixedNetwork.enbx b/EduNetworkBuilder/Resources/Level1-MixedNetwork.enbx
new file mode 100644
index 0000000..7e2968b
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1-MixedNetwork.enbx
@@ -0,0 +1,404 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>This puzzle has three tasks to it:
+1) Give the switch an IP address
+2) Add an IP-Phone to the network, linking it to the switch, and then do a DHCP request for it.
+3) Ping the switch from the IP-Phone</message>
+    <title>Adding Devices</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>1</level>
+    <sortorder>4.3</sortorder>
+    <uniqueidentifier>121</uniqueidentifier>
+    <startinghelplevel>basic</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>380,350</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>106</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>107</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>108</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>109</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>113</uniqueidentifier>
+      <location>380,520</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>114</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>115</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>192.168.1.40</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,350</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.254</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.1</ip>
+        <mask>192.168.1.20</mask>
+        <gateway>192.168.1.40</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>103</hostid>
+        <nicid>106</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>116</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>113</hostid>
+        <nicid>115</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>103</hostid>
+        <nicid>107</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>117</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>net_switch0</shost>
+      <dhost>server0</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <nettest>
+      <shost>ip_phone0</shost>
+      <dhost>net_switch0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1-NoGateway.enbx b/EduNetworkBuilder/Resources/Level1-NoGateway.enbx
new file mode 100644
index 0000000..8228f2b
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1-NoGateway.enbx
@@ -0,0 +1,805 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>The items on one network cannot ping the items on the other network (separated by the router).  Figure why and fix it.  All computers and switches need fixing, but the router is OK.</message>
+    <title>Gateway Puzzle</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <uniqueidentifier>142</uniqueidentifier>
+    <level>1</level>
+    <sortorder>03.00</sortorder>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>403,305</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>105</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>106</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>107</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>108</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>109</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>126</uniqueidentifier>
+      <location>250,502</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>134</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>135</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>252,704</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>113</uniqueidentifier>
+      <location>639,418</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>114</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>115</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>116</uniqueidentifier>
+      <location>639,204</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>116</hostid>
+          <nicid>117</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>116</hostid>
+          <nicid>118</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>122</uniqueidentifier>
+      <location>252,303</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>123</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>124</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>125</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>116</hostid>
+        <nicid>118</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>119</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>113</hostid>
+        <nicid>115</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>120</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>105</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>124</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>139</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>122</hostid>
+        <nicid>125</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>126</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>140</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>126</hostid>
+        <nicid>130</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>141</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>router0</dhost>
+      <thetest>NeedsDefaultGW</thetest>
+    </nettest>
+    <nettest>
+      <shost>net_switch0</shost>
+      <dhost>router0</dhost>
+      <thetest>NeedsDefaultGW</thetest>
+    </nettest>
+    <nettest>
+      <shost>net_switch1</shost>
+      <dhost>router0</dhost>
+      <thetest>NeedsDefaultGW</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>router0</dhost>
+      <thetest>NeedsDefaultGW</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>router0</dhost>
+      <thetest>NeedsDefaultGW</thetest>
+    </nettest>
+    <tag>Gateway</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1_BadGateway.enbx b/EduNetworkBuilder/Resources/Level1_BadGateway.enbx
new file mode 100644
index 0000000..304cdfa
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1_BadGateway.enbx
@@ -0,0 +1,1171 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Computers can only communicate with other computers that are local to them.  Gateways must have an IP address that is local to the client.  Ping pc0 from pc1 and see if you can spot the error.</message>
+    <title>Bad Gateway</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>1</level>
+    <sortorder>6</sortorder>
+    <uniqueidentifier>160</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>109,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>122</uniqueidentifier>
+      <location>736,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>610,513</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>152</uniqueidentifier>
+      <location>212,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.10.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>153</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>154</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>132</uniqueidentifier>
+      <location>112,260</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>133</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>134</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.10.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>135</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>736,257</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.4.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.4.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>139</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>403,110</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>143</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.4.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.1</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.1</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.1</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>8,520</location>
+      <mytype>server</mytype>
+      <isdns>True</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.2</ip>
+        <mask>192.168.1.5</mask>
+        <gateway>192.168.1.7</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server1</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>862,520</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>server1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>server1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.2</ip>
+        <mask>192.168.2.5</mask>
+        <gateway>192.168.2.10</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>144</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>143</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>148</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>server1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>126</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>139</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>152</hostid>
+        <nicid>154</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>132</hostid>
+        <nicid>135</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>132</hostid>
+        <nicid>134</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>Gateway</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1_DuplicateMAC.enbx b/EduNetworkBuilder/Resources/Level1_DuplicateMAC.enbx
new file mode 100644
index 0000000..88c6d2a
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1_DuplicateMAC.enbx
@@ -0,0 +1,466 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>This puzzle shows you what happens when there are duplicate MAC addresses.  This rarely happens, but it used to happen more often than should be statistically probable.  Cheap network card vendors used to make batches of cards with the same MAC address, and occasionally someone would  buy two of them.  The best solution is to replace one of the NICs that has the duplicate MAC address.  Ping both pc0 and pc1 from pc2.</message>
+    <title>Duplicate MAC addresses</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>1</level>
+    <sortorder>7</sortorder>
+    <uniqueidentifier>132</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>430,270</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>105</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>106</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>107</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>108</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>109</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>120</uniqueidentifier>
+      <location>150,450</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>121</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>122</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+	   <mac>1008b173aa5b</mac>
+        <nictype>eth</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>123</uniqueidentifier>
+      <location>420,560</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>124</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>125</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+	   <mac>1008b173aa5b</mac>
+        <nictype>eth</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>126</uniqueidentifier>
+      <location>740,450</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>127</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>126</hostid>
+          <nicid>128</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>120</hostid>
+        <nicid>122</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>129</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>123</hostid>
+        <nicid>125</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>130</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>126</hostid>
+        <nicid>128</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>105</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>131</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1_OneNetTwoSubnets.enbx b/EduNetworkBuilder/Resources/Level1_OneNetTwoSubnets.enbx
new file mode 100644
index 0000000..e563fd1
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1_OneNetTwoSubnets.enbx
@@ -0,0 +1,771 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>This network has two different subnets using the same switch.  Ping from the different PCs to machines on the other network.</message>
+    <title>Two Subnets, Shared Network</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>1</level>
+    <sortorder>4</sortorder>
+    <uniqueidentifier>137</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>390,400</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>121</uniqueidentifier>
+      <location>80,490</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>121</hostid>
+          <nicid>122</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>121</hostid>
+          <nicid>123</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>90,820</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>127</uniqueidentifier>
+      <location>710,820</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>128</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>129</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>130</uniqueidentifier>
+      <location>760,500</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>131</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>132</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>220,60</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.2</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>104</uniqueidentifier>
+      <location>560,60</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>105</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>106</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>107</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>104</hostid>
+        <nicid>106</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>108</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>112</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>119</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>113</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>104</hostid>
+        <nicid>107</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>120</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>121</hostid>
+        <nicid>123</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>114</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>133</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>126</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>134</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>127</hostid>
+        <nicid>129</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port5</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>135</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>130</hostid>
+        <nicid>132</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port6</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>136</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc3</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc3</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>192.168.1.255</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc3</shost>
+      <dhost>192.168.2.255</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>Ping</tag>
+    <tag>Subnets</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level1_OneNetTwoSubnets2.enbx b/EduNetworkBuilder/Resources/Level1_OneNetTwoSubnets2.enbx
new file mode 100644
index 0000000..3dfb26e
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level1_OneNetTwoSubnets2.enbx
@@ -0,0 +1,667 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>This network has two different subnets using the same switch.  The router has two interfaces (IP addresses, both on eth0). One network card functions like two.  Ping from the different PCs to machines on the other network.</message>
+    <title>Two Subnets, Shared Network</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>1</level>
+    <sortorder>4.1</sortorder>
+    <uniqueidentifier>142</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>390,400</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>121</uniqueidentifier>
+      <location>80,490</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>121</hostid>
+          <nicid>122</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>121</hostid>
+          <nicid>123</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>90,820</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>127</uniqueidentifier>
+      <location>710,820</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>128</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>129</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>130</uniqueidentifier>
+      <location>760,500</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>131</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>132</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>390,190</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>140</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>140</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>121</hostid>
+        <nicid>123</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>114</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>133</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>126</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>134</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>127</hostid>
+        <nicid>129</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port5</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>135</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>130</hostid>
+        <nicid>132</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port6</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>136</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>112</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>141</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc3</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc3</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>192.168.1.255</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc3</shost>
+      <dhost>192.168.2.255</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>Ping</tag>
+    <tag>Subnets</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level2_Bad_Encryption.enbx b/EduNetworkBuilder/Resources/Level2_Bad_Encryption.enbx
new file mode 100644
index 0000000..88e64f8
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level2_Bad_Encryption.enbx
@@ -0,0 +1,1174 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>The VPNs need their encryption keys fixed.  Ping from pc0 to pc1 to ensure it works.</message>
+    <title>Bad Encryption</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>2</level>
+    <sortorder>1.1</sortorder>
+    <uniqueidentifier>187</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Key</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>llave</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level2_Bad_Route.enbx b/EduNetworkBuilder/Resources/Level2_Bad_Route.enbx
new file mode 100644
index 0000000..4ca0bd5
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level2_Bad_Route.enbx
@@ -0,0 +1,1173 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>One of the firewalls is missing a route to tell it to use the VPN.  Configure the route and then ping from pc0 to pc1 to make sure it works.</message>
+    <title>Bad Route</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>2</level>
+    <sortorder>1.3</sortorder>
+    <uniqueidentifier>187</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>firewall0</shost>
+      <dhost>192.168.2.0</dhost>
+      <thetest>NeedsRouteToNet</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level2_Bad_VPN_IP.enbx b/EduNetworkBuilder/Resources/Level2_Bad_VPN_IP.enbx
new file mode 100644
index 0000000..09020f8
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level2_Bad_VPN_IP.enbx
@@ -0,0 +1,1211 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>The VPN Network card has the wrong IP address.  Fix the IP address on the firewall VPN, and then ping from pc0 to pc1 through the VPN.</message>
+    <title>Bad VPN IP</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>2</level>
+    <sortorder>1.2</sortorder>
+    <uniqueidentifier>187</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.51.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level2_Blast_From_Past.enbx b/EduNetworkBuilder/Resources/Level2_Blast_From_Past.enbx
new file mode 100644
index 0000000..e152f8a
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level2_Blast_From_Past.enbx
@@ -0,0 +1,1185 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>There are a few problems with this puzzle.  PC0 needs to ping PC1, and PC1 needs to ping PC0</message>
+    <title>Blast from the past</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>2</level>
+    <sortorder>5</sortorder>
+    <uniqueidentifier>186</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level2_Build_A_VPN.enbx b/EduNetworkBuilder/Resources/Level2_Build_A_VPN.enbx
new file mode 100644
index 0000000..a2beaf2
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level2_Build_A_VPN.enbx
@@ -0,0 +1,1121 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Both firewalls need their VPNs configured.  Do not forget to make the right routes!  </message>
+    <title>Build a VPN</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>2</level>
+    <sortorder>5</sortorder>
+    <uniqueidentifier>186</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <tunnelendpoint>
+          <ip>0.0.0.0</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <tunnelendpoint>
+          <ip>0.0.0.0</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>firewall0</shost>
+      <dhost>192.168.2.0</dhost>
+      <thetest>NeedsRouteToNet</thetest>
+    </nettest>
+    <nettest>
+      <shost>firewall1</shost>
+      <dhost>192.168.1.0</dhost>
+      <thetest>NeedsRouteToNet</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>VPN</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level2_Connect_The_Dots.enbx b/EduNetworkBuilder/Resources/Level2_Connect_The_Dots.enbx
new file mode 100644
index 0000000..a85e776
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level2_Connect_The_Dots.enbx
@@ -0,0 +1,1153 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Connect the firewalls to the router, setting up working IPs.  Do not forget the VPN!</message>
+    <title>Connect the dots</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>2</level>
+    <sortorder>6</sortorder>
+    <uniqueidentifier>186</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>420,270</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>router0</shost>
+      <dhost>All</dhost>
+      <thetest>LockAll</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level2_FirewallDemo.enbx b/EduNetworkBuilder/Resources/Level2_FirewallDemo.enbx
new file mode 100644
index 0000000..f5517c4
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level2_FirewallDemo.enbx
@@ -0,0 +1,1232 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>This puzzle shows off how a firewall works.  You can ping out of a firewall, but not ping the computers behind it.  To "solve" this, ping the lone computer from both subnets, and try to ping both subnets from the lone pc.</message>
+    <title>Firewall Test</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>2</level>
+    <sortorder>0</sortorder>
+    <uniqueidentifier>158</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>410,410</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.1</ip>
+        <mask>192.168.1.5</mask>
+        <gateway>192.168.1.10</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.1</ip>
+        <mask>192.168.2.5</mask>
+        <gateway>192.168.2.10</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>410,190</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>118</uniqueidentifier>
+      <location>230,410</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>139</uniqueidentifier>
+      <location>640,410</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>140</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>140</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>141</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>142</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>143</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>144</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>145</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>146</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>147</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>148</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>148</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>115</uniqueidentifier>
+      <location>640,190</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>115</hostid>
+          <nicid>116</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>115</hostid>
+          <nicid>117</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>128</uniqueidentifier>
+      <location>230,600</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>128</hostid>
+          <nicid>129</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>128</hostid>
+          <nicid>130</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>135</uniqueidentifier>
+      <location>90,590</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>135</hostid>
+          <nicid>136</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>135</hostid>
+          <nicid>137</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>192.168.1.1</gateway>
+            <type>route</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>149</uniqueidentifier>
+      <location>640,600</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>149</hostid>
+          <nicid>150</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>150</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>149</hostid>
+          <nicid>151</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>151</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc4</hostname>
+      <size>100</size>
+      <uniqueidentifier>154</uniqueidentifier>
+      <location>760,600</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>154</hostid>
+          <nicid>155</nicid>
+          <hostname>pc4</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>155</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>154</hostid>
+          <nicid>156</nicid>
+          <hostname>pc4</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>192.168.2.1</gateway>
+            <type>route</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>128</hostid>
+        <nicid>130</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>118</hostid>
+        <nicid>121</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>131</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>118</hostid>
+        <nicid>122</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>132</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>108</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>133</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>115</hostid>
+        <nicid>117</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>134</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>135</hostid>
+        <nicid>137</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>118</hostid>
+        <nicid>123</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>138</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>139</hostid>
+        <nicid>142</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>139</hostid>
+        <nicid>143</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>149</hostid>
+        <nicid>151</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>154</hostid>
+        <nicid>156</nicid>
+        <hostname>pc4</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>139</hostid>
+        <nicid>144</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>157</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>FailedPing</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc3</dhost>
+      <thetest>FailedPing</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc4</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc4</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>Firewall</tag>
+    <tag>Ping</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level2_Not_Working.enbx b/EduNetworkBuilder/Resources/Level2_Not_Working.enbx
new file mode 100644
index 0000000..d4d1e24
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level2_Not_Working.enbx
@@ -0,0 +1,1162 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Someone has been trying to set up a VPN between two sites.  "It is just not working!" they tell you.  Guess it is up to you to figure out what they did wrong.  Get PC0 to ping PC1</message>
+    <title>Not Working</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>2</level>
+    <sortorder>7</sortorder>
+    <uniqueidentifier>186</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level2_VPN_Demo.enbx b/EduNetworkBuilder/Resources/Level2_VPN_Demo.enbx
new file mode 100644
index 0000000..0abaef1
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level2_VPN_Demo.enbx
@@ -0,0 +1,1792 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Some devices allow you to create VPNs.  A Virtual Private Network (VPN) allows you to connect up to things behind a firewall.  For this example, you need to ping from pc0 to a number of different things just to see how the VPN works.  Make sure you edit one or more of the firewalls to see how the VPN is configured, and see how the static route is defined to make the packets go through the VPN.  You will need to know how that works to solve the rest of this level.</message>
+    <title>VPN Demo</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>2</level>
+    <sortorder>1</sortorder>
+    <uniqueidentifier>186</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>184</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn1</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>184</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.7.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn1</nicname>
+          <myip>
+            <ip>192.168.51.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall2</hostname>
+      <size>100</size>
+      <uniqueidentifier>158</uniqueidentifier>
+      <location>430,230</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.7.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>159</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>159</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>162</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.7.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>160</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>161</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>185</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.51.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop2</hostname>
+      <size>100</size>
+      <uniqueidentifier>176</uniqueidentifier>
+      <location>570,0</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>177</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>178</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>163</uniqueidentifier>
+      <location>430,80</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>164</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>165</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.3.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>166</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>167</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>168</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>168</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>169</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>170</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>170</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>171</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>172</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>172</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>173</uniqueidentifier>
+      <location>260,10</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>174</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>175</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth2</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>182</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth2</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>182</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth2</nicname>
+          <myip>
+            <ip>192.168.7.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>166</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>173</hostid>
+        <nicid>175</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>179</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>160</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>163</hostid>
+        <nicid>168</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>181</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>167</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>176</hostid>
+        <nicid>178</nicid>
+        <hostname>laptop2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>180</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>162</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>182</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>183</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>firewall1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>firewall2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <tag>firewall</tag>
+    <tag>VPN</tag>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level3_BlackHole.enbx b/EduNetworkBuilder/Resources/Level3_BlackHole.enbx
new file mode 100644
index 0000000..745d1bb
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level3_BlackHole.enbx
@@ -0,0 +1,1609 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>There is a black-hole that is eating all the packets.  Determine why and fix it.</message>
+    <title>Black Hole</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>3</level>
+    <sortorder>4</sortorder>
+    <uniqueidentifier>177</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>120</uniqueidentifier>
+      <location>134,649</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>130</uniqueidentifier>
+      <location>769,649</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>134</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>135</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>136</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>137</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>138</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>139</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>422,124</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.3.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>143</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>144</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>145</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>146</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>147</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>148</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>148</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>149</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>150</uniqueidentifier>
+      <location>319,11</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>150</hostid>
+          <nicid>151</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>151</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>150</hostid>
+          <nicid>152</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>152</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>153</uniqueidentifier>
+      <location>515,8</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>153</hostid>
+          <nicid>154</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>153</hostid>
+          <nicid>155</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>155</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>156</uniqueidentifier>
+      <location>702,793</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>157</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>158</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>158</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>159</uniqueidentifier>
+      <location>836,786</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>159</hostid>
+          <nicid>160</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>159</hostid>
+          <nicid>161</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc4</hostname>
+      <size>100</size>
+      <uniqueidentifier>162</uniqueidentifier>
+      <location>229,772</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>162</hostid>
+          <nicid>163</nicid>
+          <hostname>pc4</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>162</hostid>
+          <nicid>164</nicid>
+          <hostname>pc4</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc5</hostname>
+      <size>100</size>
+      <uniqueidentifier>165</uniqueidentifier>
+      <location>70,769</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>165</hostid>
+          <nicid>166</nicid>
+          <hostname>pc5</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>165</hostid>
+          <nicid>167</nicid>
+          <hostname>pc5</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>428,479</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth3</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>118</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth3</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>104</uniqueidentifier>
+      <location>752,502</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.20.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>105</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>106</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.20.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>107</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>108</uniqueidentifier>
+      <location>143,509</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.10.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>108</hostid>
+          <nicid>109</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>108</hostid>
+          <nicid>110</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.10.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>108</hostid>
+          <nicid>111</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router3</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>428,260</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.30.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>router3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.30.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>108</hostid>
+        <nicid>110</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>116</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>159</hostid>
+        <nicid>161</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>130</hostid>
+        <nicid>135</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>173</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>130</hostid>
+        <nicid>133</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>104</hostid>
+        <nicid>107</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>171</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>162</hostid>
+        <nicid>164</nicid>
+        <hostname>pc4</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>124</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>169</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>104</hostid>
+        <nicid>106</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>117</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>144</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>150</hostid>
+        <nicid>152</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>175</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>118</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>114</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>119</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>165</hostid>
+        <nicid>167</nicid>
+        <hostname>pc5</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>123</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>168</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>120</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>108</hostid>
+        <nicid>111</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>170</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>156</hostid>
+        <nicid>158</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>130</hostid>
+        <nicid>134</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>172</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>140</hostid>
+        <nicid>143</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>174</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>145</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>153</hostid>
+        <nicid>155</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>176</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc5</shost>
+      <dhost>pc3</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc5</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level3_Busted.enbx b/EduNetworkBuilder/Resources/Level3_Busted.enbx
new file mode 100644
index 0000000..c64e421
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level3_Busted.enbx
@@ -0,0 +1,574 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Something does not work.  Get laptop0 to ping laptop1</message>
+    <title>Busted</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>3</level>
+    <sortorder>1</sortorder>
+    <uniqueidentifier>130</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>559,560</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>123</uniqueidentifier>
+      <location>680,147</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>124</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>125</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>406,328</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>246,560</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>119</uniqueidentifier>
+      <location>400,158</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>120</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>121</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>122</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>112</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>126</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>113</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>127</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>114</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>119</hostid>
+        <nicid>121</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>128</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>119</hostid>
+        <nicid>122</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>125</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>129</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>laptop0</shost>
+      <dhost>laptop1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level3_Dead.enbx b/EduNetworkBuilder/Resources/Level3_Dead.enbx
new file mode 100644
index 0000000..75988b8
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level3_Dead.enbx
@@ -0,0 +1,1330 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>This network has a number of small glitches with it.  Luckily, they know your phone number.  It is nice having a techie around when things go wrong!</message>
+    <title>It is dead, Jim!</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>3</level>
+    <sortorder>6</sortorder>
+    <uniqueidentifier>160</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>109,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>122</uniqueidentifier>
+      <location>736,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>106</uniqueidentifier>
+      <location>103,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>107</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>108</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>610,513</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>152</uniqueidentifier>
+      <location>212,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>153</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>154</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>155</uniqueidentifier>
+      <location>733,516</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>156</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>157</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>132</uniqueidentifier>
+      <location>112,260</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>133</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>134</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>135</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>736,257</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.4.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.4.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>139</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>403,110</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>143</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.4.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.8.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.1</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.1</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.1</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>8,520</location>
+      <mytype>server</mytype>
+      <isdns>True</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.2</ip>
+        <mask>192.168.1.1</mask>
+        <gateway>192.168.1.3</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server1</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>862,520</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>server1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>server1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.2</ip>
+        <mask>192.168.2.5</mask>
+        <gateway>192.168.2.10</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>144</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>143</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>148</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>server1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>126</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>139</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>152</hostid>
+        <nicid>154</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>132</hostid>
+        <nicid>135</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>132</hostid>
+        <nicid>134</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>106</hostid>
+        <nicid>108</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>145</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>155</hostid>
+        <nicid>157</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>158</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>net_switch1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>router1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc3</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level3_EncryptionTroubles.enbx b/EduNetworkBuilder/Resources/Level3_EncryptionTroubles.enbx
new file mode 100644
index 0000000..3348a56
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level3_EncryptionTroubles.enbx
@@ -0,0 +1,1837 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Your friends have another problem.  There was an issue with the encryption on their VPN.  They tried to fix it, but it is still failing.</message>
+    <title>Encryption Troubles</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>3</level>
+    <sortorder>8</sortorder>
+    <uniqueidentifier>187</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>184</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn1</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>184</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>New Key</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.7.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn1</nicname>
+          <myip>
+            <ip>192.168.51.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>NewKey</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall2</hostname>
+      <size>100</size>
+      <uniqueidentifier>158</uniqueidentifier>
+      <location>430,230</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.7.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>159</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>159</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>162</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.7.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>160</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>161</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>185</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.51.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop2</hostname>
+      <size>100</size>
+      <uniqueidentifier>176</uniqueidentifier>
+      <location>570,0</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>177</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>178</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>163</uniqueidentifier>
+      <location>430,80</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>164</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>165</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.3.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>166</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>167</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>168</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>168</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>169</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>170</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>170</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>171</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>172</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>172</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>173</uniqueidentifier>
+      <location>260,10</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>174</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>175</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth2</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>182</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth2</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>182</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth2</nicname>
+          <myip>
+            <ip>192.168.7.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>162</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>182</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth2</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>183</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>167</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>176</hostid>
+        <nicid>178</nicid>
+        <hostname>laptop2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>180</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>166</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>173</hostid>
+        <nicid>175</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>179</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>broken</linktype>
+      <uniqueidentifier>186</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>160</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>163</hostid>
+        <nicid>168</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>181</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <linktype>normal</linktype>
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level3_GrandCentralStation.enbx b/EduNetworkBuilder/Resources/Level3_GrandCentralStation.enbx
new file mode 100644
index 0000000..48d9a40
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level3_GrandCentralStation.enbx
@@ -0,0 +1,1680 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>The router in the middle was replaced.  While you are at it, they want you to create a VPN to connect all three networks.  Hope they are paying you well!</message>
+    <title>Grand Central Station</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>3</level>
+    <sortorder>7</sortorder>
+    <uniqueidentifier>191</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <tunnelendpoint>
+          <ip>0.0.0.0</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>184</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn1</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>184</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <tunnelendpoint>
+          <ip>0.0.0.0</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn1</nicname>
+          <myip>
+            <ip>192.168.51.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>CryptPass</encryptionkey>
+        <tunnelendpoint>
+          <ip>0.0.0.0</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall2</hostname>
+      <size>100</size>
+      <uniqueidentifier>158</uniqueidentifier>
+      <location>430,230</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>159</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>159</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>162</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.7.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>160</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop2</hostname>
+      <size>100</size>
+      <uniqueidentifier>176</uniqueidentifier>
+      <location>570,0</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>177</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>178</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>163</uniqueidentifier>
+      <location>430,80</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>164</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>165</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.3.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>166</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>167</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>168</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>168</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>169</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>170</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>170</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>171</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>172</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>172</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>173</uniqueidentifier>
+      <location>260,10</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>174</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>175</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>186</uniqueidentifier>
+      <location>430,420</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>187</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>187</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>188</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>188</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>189</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>189</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth2</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>190</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth2</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>190</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>166</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>173</hostid>
+        <nicid>175</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>179</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>160</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>163</hostid>
+        <nicid>168</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>181</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>167</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>176</hostid>
+        <nicid>178</nicid>
+        <hostname>laptop2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>180</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level3_Middle_Man_Out.enbx b/EduNetworkBuilder/Resources/Level3_Middle_Man_Out.enbx
new file mode 100644
index 0000000..ade2f36
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level3_Middle_Man_Out.enbx
@@ -0,0 +1,1627 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>The techie setting this one up forgot something.  Figure out what he forgot and find some way to fix it.</message>
+    <title>Middle Man Out</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>3</level>
+    <sortorder>5</sortorder>
+    <uniqueidentifier>177</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>120</uniqueidentifier>
+      <location>134,649</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>130</uniqueidentifier>
+      <location>769,649</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>134</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>135</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>136</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>137</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>138</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>139</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>422,124</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.3.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>143</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>144</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>145</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>146</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>147</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>148</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>148</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>149</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>150</uniqueidentifier>
+      <location>319,11</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>150</hostid>
+          <nicid>151</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>151</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>150</hostid>
+          <nicid>152</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>152</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>153</uniqueidentifier>
+      <location>515,8</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>153</hostid>
+          <nicid>154</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>153</hostid>
+          <nicid>155</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>155</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>156</uniqueidentifier>
+      <location>702,793</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>157</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>158</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>158</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>159</uniqueidentifier>
+      <location>836,786</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>159</hostid>
+          <nicid>160</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>159</hostid>
+          <nicid>161</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc4</hostname>
+      <size>100</size>
+      <uniqueidentifier>162</uniqueidentifier>
+      <location>229,772</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>162</hostid>
+          <nicid>163</nicid>
+          <hostname>pc4</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>162</hostid>
+          <nicid>164</nicid>
+          <hostname>pc4</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc5</hostname>
+      <size>100</size>
+      <uniqueidentifier>165</uniqueidentifier>
+      <location>70,769</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>165</hostid>
+          <nicid>166</nicid>
+          <hostname>pc5</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>165</hostid>
+          <nicid>167</nicid>
+          <hostname>pc5</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>428,479</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.10.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.20.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth3</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>118</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth3</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth3</nicname>
+          <myip>
+            <ip>192.168.30.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.10.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.20.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.30.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>104</uniqueidentifier>
+      <location>752,502</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.20.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>105</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>106</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.20.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>107</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>108</uniqueidentifier>
+      <location>143,509</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>108</hostid>
+          <nicid>109</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>108</hostid>
+          <nicid>110</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.10.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>108</hostid>
+          <nicid>111</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router3</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>428,260</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>router3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.30.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>108</hostid>
+        <nicid>110</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>116</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>159</hostid>
+        <nicid>161</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>130</hostid>
+        <nicid>135</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>173</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>130</hostid>
+        <nicid>133</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>104</hostid>
+        <nicid>107</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>171</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>162</hostid>
+        <nicid>164</nicid>
+        <hostname>pc4</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>124</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>169</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>104</hostid>
+        <nicid>106</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>117</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>144</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>150</hostid>
+        <nicid>152</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>175</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>118</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>114</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>119</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>165</hostid>
+        <nicid>167</nicid>
+        <hostname>pc5</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>123</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>168</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>120</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>108</hostid>
+        <nicid>111</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>170</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>156</hostid>
+        <nicid>158</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>130</hostid>
+        <nicid>134</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>172</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>140</hostid>
+        <nicid>143</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>174</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>145</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>153</hostid>
+        <nicid>155</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>176</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc5</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc5</shost>
+      <dhost>pc3</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level3_NowhereToGo.enbx b/EduNetworkBuilder/Resources/Level3_NowhereToGo.enbx
new file mode 100644
index 0000000..aefa40e
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level3_NowhereToGo.enbx
@@ -0,0 +1,1308 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Get pc2 to ping pc1 and pc1 to ping pc2.</message>
+    <title>Nowhere to go</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>3</level>
+    <sortorder>2</sortorder>
+    <uniqueidentifier>160</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>109,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>122</uniqueidentifier>
+      <location>736,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>106</uniqueidentifier>
+      <location>103,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>107</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>108</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>610,513</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>152</uniqueidentifier>
+      <location>212,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>153</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>154</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>155</uniqueidentifier>
+      <location>733,516</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>156</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>157</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>132</uniqueidentifier>
+      <location>112,260</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>133</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>134</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>135</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>736,257</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.4.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.4.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>139</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>403,110</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>143</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.4.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.1</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.1</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>8,520</location>
+      <mytype>server</mytype>
+      <isdns>True</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.2</ip>
+        <mask>192.168.1.5</mask>
+        <gateway>192.168.1.7</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server1</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>862,520</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>server1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>server1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.2</ip>
+        <mask>192.168.2.5</mask>
+        <gateway>192.168.2.10</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>144</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>143</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>148</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>server1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>126</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>139</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>152</hostid>
+        <nicid>154</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>132</hostid>
+        <nicid>135</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>132</hostid>
+        <nicid>134</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>106</hostid>
+        <nicid>108</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>145</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>155</hostid>
+        <nicid>157</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>158</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc1</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level3_PhoneyNetwork.enbx b/EduNetworkBuilder/Resources/Level3_PhoneyNetwork.enbx
new file mode 100644
index 0000000..5aaafd0
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level3_PhoneyNetwork.enbx
@@ -0,0 +1,1318 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Get phone0 to ping phone2, and also get phone2 to ping phone0</message>
+    <title>Phoney Network</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>3</level>
+    <sortorder>2.5</sortorder>
+    <uniqueidentifier>164</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>118</uniqueidentifier>
+      <location>190,220</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>119</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>122</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>120</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>162</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Encryption</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>123</uniqueidentifier>
+      <location>750,200</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>124</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>127</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>125</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>163</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Encryption</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>ip_phone0</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>110,760</location>
+      <mytype>ip_phone</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>ip_phone0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>ip_phone0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>ip_phone1</hostname>
+      <size>100</size>
+      <uniqueidentifier>106</uniqueidentifier>
+      <location>290,760</location>
+      <mytype>ip_phone</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>107</nicid>
+          <hostname>ip_phone1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>108</nicid>
+          <hostname>ip_phone1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>ip_phone2</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>680,750</location>
+      <mytype>ip_phone</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>ip_phone2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>ip_phone2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>ip_phone3</hostname>
+      <size>100</size>
+      <uniqueidentifier>115</uniqueidentifier>
+      <location>850,740</location>
+      <mytype>ip_phone</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>115</hostid>
+          <nicid>116</nicid>
+          <hostname>ip_phone3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>115</hostid>
+          <nicid>117</nicid>
+          <hostname>ip_phone3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>132</uniqueidentifier>
+      <location>190,410</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>134</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>135</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>136</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>137</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>138</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>139</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>140</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>140</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>141</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>142</uniqueidentifier>
+      <location>750,400</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>143</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>144</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>145</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>146</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>147</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>148</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>148</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>149</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>150</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>150</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>151</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>151</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>128</uniqueidentifier>
+      <location>470,30</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>128</hostid>
+          <nicid>129</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>128</hostid>
+          <nicid>130</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>128</hostid>
+          <nicid>131</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>40,550</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>server1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>620,550</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>server1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>server1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>132</hostid>
+        <nicid>135</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>132</hostid>
+        <nicid>138</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>118</hostid>
+        <nicid>120</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>158</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>106</hostid>
+        <nicid>108</nicid>
+        <hostname>ip_phone1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>132</hostid>
+        <nicid>137</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>ip_phone0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>132</hostid>
+        <nicid>136</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>118</hostid>
+        <nicid>122</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>128</hostid>
+        <nicid>130</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>160</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>server1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>142</hostid>
+        <nicid>145</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>114</nicid>
+        <hostname>ip_phone2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>142</hostid>
+        <nicid>146</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>156</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>115</hostid>
+        <nicid>117</nicid>
+        <hostname>ip_phone3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>142</hostid>
+        <nicid>147</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>157</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>142</hostid>
+        <nicid>148</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port4</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>125</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>123</hostid>
+        <nicid>127</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>128</hostid>
+        <nicid>131</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>161</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>ip_phone0</shost>
+      <dhost>ip_phone2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>ip_phone2</shost>
+      <dhost>ip_phone0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level3_VPNify.enbx b/EduNetworkBuilder/Resources/Level3_VPNify.enbx
new file mode 100644
index 0000000..5d7b992
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level3_VPNify.enbx
@@ -0,0 +1,1644 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Both networks work, but they need to be connected via VPN.  You have success when PC2 can ping PC1 and pc3 can ping pc0.</message>
+    <title>VPNify</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>3</level>
+    <sortorder>3</sortorder>
+    <uniqueidentifier>195</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>176</uniqueidentifier>
+      <location>110,250</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>172.16.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>177</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>180</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>180</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>172.16.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>178</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>181</uniqueidentifier>
+      <location>730,250</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>172.16.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>182</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>182</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>185</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>172.16.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>183</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>183</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>109,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>122</uniqueidentifier>
+      <location>736,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>106</uniqueidentifier>
+      <location>103,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>107</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>108</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>610,513</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>152</uniqueidentifier>
+      <location>212,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>153</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>154</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>155</uniqueidentifier>
+      <location>733,516</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>156</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>157</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>186</uniqueidentifier>
+      <location>150,80</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>187</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>187</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>188</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>188</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>189</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>189</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.2.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.4.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.2.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.5.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.2.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>160</uniqueidentifier>
+      <location>310,30</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>161</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>162</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>163</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.2.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.4.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.3.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.5.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.3.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router3</hostname>
+      <size>100</size>
+      <uniqueidentifier>164</uniqueidentifier>
+      <location>510,30</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>165</nicid>
+          <hostname>router3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>166</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>167</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.4.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.3.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.3.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.5.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.4.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router4</hostname>
+      <size>100</size>
+      <uniqueidentifier>168</uniqueidentifier>
+      <location>720,90</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>168</hostid>
+          <nicid>169</nicid>
+          <hostname>router4</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>168</hostid>
+          <nicid>170</nicid>
+          <hostname>router4</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>170</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.4.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>168</hostid>
+          <nicid>171</nicid>
+          <hostname>router4</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.4.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.4.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>172.16.4.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>8,520</location>
+      <mytype>server</mytype>
+      <isdns>True</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.2</ip>
+        <mask>192.168.1.5</mask>
+        <gateway>192.168.1.7</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server1</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>862,520</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>server1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>server1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.2</ip>
+        <mask>192.168.2.5</mask>
+        <gateway>192.168.2.10</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>144</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>122</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>181</hostid>
+        <nicid>183</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>191</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>155</hostid>
+        <nicid>157</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>158</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>server1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>126</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>106</hostid>
+        <nicid>108</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>145</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>186</hostid>
+        <nicid>189</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>160</hostid>
+        <nicid>162</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>193</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>152</hostid>
+        <nicid>154</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>160</hostid>
+        <nicid>163</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>164</hostid>
+        <nicid>166</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>173</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>164</hostid>
+        <nicid>167</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>168</hostid>
+        <nicid>170</nicid>
+        <hostname>router4</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>175</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>176</hostid>
+        <nicid>178</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>190</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>176</hostid>
+        <nicid>180</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>186</hostid>
+        <nicid>188</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>192</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>181</hostid>
+        <nicid>185</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>168</hostid>
+        <nicid>171</nicid>
+        <hostname>router4</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>194</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc3</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level4_DualWans.enbx b/EduNetworkBuilder/Resources/Level4_DualWans.enbx
new file mode 100644
index 0000000..ac15f54
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level4_DualWans.enbx
@@ -0,0 +1,1587 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Ping PCs 1, 2, and 3 from PC0.  There are multiple ways to get this puzzle to work.</message>
+    <title>Dual WANs</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>4</level>
+    <sortorder>6</sortorder>
+    <uniqueidentifier>189</uniqueidentifier>
+    <startinghelplevel>basic</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>610,540</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>172.16.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>172.16.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>186</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>186</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Key</encryptionkey>
+        <tunnelendpoint>
+          <ip>172.16.1.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>810,540</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>172.16.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>172.16.5.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>188</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>188</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Encrypted</encryptionkey>
+        <tunnelendpoint>
+          <ip>172.16.1.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.51.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall2</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>250,280</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>172.16.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>114</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>172.16.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>185</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Key</encryptionkey>
+        <tunnelendpoint>
+          <ip>172.16.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>187</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>vpn1</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>187</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Key</encryptionkey>
+        <tunnelendpoint>
+          <ip>172.16.5.3</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn1</nicname>
+          <myip>
+            <ip>192.168.51.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>127</uniqueidentifier>
+      <location>710,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.6</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>134</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>135</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>127</hostid>
+          <nicid>136</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>141</uniqueidentifier>
+      <location>250,60</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>141</hostid>
+          <nicid>142</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>141</hostid>
+          <nicid>143</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>141</hostid>
+          <nicid>144</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>141</hostid>
+          <nicid>145</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>141</hostid>
+          <nicid>146</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>141</hostid>
+          <nicid>147</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>141</hostid>
+          <nicid>148</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>148</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>141</hostid>
+          <nicid>149</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>141</hostid>
+          <nicid>150</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>150</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>172</uniqueidentifier>
+      <location>700,420</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>172</hostid>
+          <nicid>173</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>173</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>172</hostid>
+          <nicid>174</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>172</hostid>
+          <nicid>175</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>172</hostid>
+          <nicid>176</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>176</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>172</hostid>
+          <nicid>177</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>172</hostid>
+          <nicid>178</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>172</hostid>
+          <nicid>179</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>179</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>172</hostid>
+          <nicid>180</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>180</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>172</hostid>
+          <nicid>181</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>181</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>115</uniqueidentifier>
+      <location>50,60</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>115</hostid>
+          <nicid>116</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>115</hostid>
+          <nicid>117</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>118</uniqueidentifier>
+      <location>510,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>119</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>118</hostid>
+          <nicid>120</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>121</uniqueidentifier>
+      <location>710,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>121</hostid>
+          <nicid>122</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>121</hostid>
+          <nicid>123</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>880,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.2</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.5</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>700,280</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>140</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>140</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>115</hostid>
+        <nicid>117</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>141</hostid>
+        <nicid>144</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>172</hostid>
+        <nicid>175</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>182</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>126</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>127</hostid>
+        <nicid>134</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port5</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>161</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>118</hostid>
+        <nicid>120</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>127</hostid>
+        <nicid>132</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>141</hostid>
+        <nicid>145</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>172</hostid>
+        <nicid>177</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>137</hostid>
+        <nicid>140</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>184</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>121</hostid>
+        <nicid>123</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>127</hostid>
+        <nicid>133</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>160</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>127</hostid>
+        <nicid>130</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>157</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>127</hostid>
+        <nicid>131</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>158</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>110</hostid>
+        <nicid>114</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>172</hostid>
+        <nicid>176</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>183</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc3</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level4_Internalhemorrhage.enbx b/EduNetworkBuilder/Resources/Level4_Internalhemorrhage.enbx
new file mode 100644
index 0000000..5258372
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level4_Internalhemorrhage.enbx
@@ -0,0 +1,1847 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>There are multiple problems on this network.</message>
+    <title>Internal Hemorrhage</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>4</level>
+    <sortorder>8</sortorder>
+    <uniqueidentifier>215</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>440,350</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.20.2</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.10.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.10.6</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.100.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.20.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>copier0</hostname>
+      <size>100</size>
+      <uniqueidentifier>139</uniqueidentifier>
+      <location>290,780</location>
+      <mytype>copier</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.130</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>140</nicid>
+          <hostname>copier0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>140</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>141</nicid>
+          <hostname>copier0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.131</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>copier1</hostname>
+      <size>100</size>
+      <uniqueidentifier>148</uniqueidentifier>
+      <location>900,740</location>
+      <mytype>copier</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.130</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>148</hostid>
+          <nicid>149</nicid>
+          <hostname>copier1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>148</hostid>
+          <nicid>150</nicid>
+          <hostname>copier1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>150</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.131</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>copier2</hostname>
+      <size>100</size>
+      <uniqueidentifier>170</uniqueidentifier>
+      <location>290,600</location>
+      <mytype>copier</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>171</nicid>
+          <hostname>copier2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>172</nicid>
+          <hostname>copier2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>172</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>copier3</hostname>
+      <size>100</size>
+      <uniqueidentifier>173</uniqueidentifier>
+      <location>900,570</location>
+      <mytype>copier</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.130</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>174</nicid>
+          <hostname>copier3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>175</nicid>
+          <hostname>copier3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.132</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>185</uniqueidentifier>
+      <location>650,640</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>185</hostid>
+          <nicid>186</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>186</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>185</hostid>
+          <nicid>187</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>187</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>185</hostid>
+          <nicid>188</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>188</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>185</hostid>
+          <nicid>189</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>189</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>185</hostid>
+          <nicid>190</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>190</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>185</hostid>
+          <nicid>191</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>191</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>185</hostid>
+          <nicid>192</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>192</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>185</hostid>
+          <nicid>193</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>193</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>185</hostid>
+          <nicid>194</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>194</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>123</uniqueidentifier>
+      <location>150,600</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>195</uniqueidentifier>
+      <location>770,640</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>195</hostid>
+          <nicid>196</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>196</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>195</hostid>
+          <nicid>197</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>197</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>195</hostid>
+          <nicid>198</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>198</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>195</hostid>
+          <nicid>199</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>199</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>195</hostid>
+          <nicid>200</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>200</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>195</hostid>
+          <nicid>201</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>201</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>195</hostid>
+          <nicid>202</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>202</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>195</hostid>
+          <nicid>203</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>203</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>195</hostid>
+          <nicid>204</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>204</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>133</uniqueidentifier>
+      <location>10,780</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>134</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>150,780</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>142</uniqueidentifier>
+      <location>500,580</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>143</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>144</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>145</uniqueidentifier>
+      <location>510,780</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>145</hostid>
+          <nicid>146</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>145</hostid>
+          <nicid>147</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc4</hostname>
+      <size>100</size>
+      <uniqueidentifier>161</uniqueidentifier>
+      <location>440,10</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.100.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>161</hostid>
+          <nicid>162</nicid>
+          <hostname>pc4</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>161</hostid>
+          <nicid>163</nicid>
+          <hostname>pc4</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.100.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>150,420</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.10.5</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.10.6</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.130</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.10.5</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>720,430</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.10.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>112</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.10.2</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth2</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>211</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth2</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>211</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth2</nicname>
+          <myip>
+            <ip>192.168.2.130</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>164</uniqueidentifier>
+      <location>440,170</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>165</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>166</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.20.1</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>167</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.100.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>112</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>160</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>195</hostid>
+        <nicid>199</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>173</hostid>
+        <nicid>175</nicid>
+        <hostname>copier3</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>209</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>142</hostid>
+        <nicid>144</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>185</hostid>
+        <nicid>188</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>205</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>133</hostid>
+        <nicid>135</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>139</hostid>
+        <nicid>141</nicid>
+        <hostname>copier0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>164</hostid>
+        <nicid>166</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>168</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>185</hostid>
+        <nicid>191</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>213</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>164</hostid>
+        <nicid>167</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>161</hostid>
+        <nicid>163</nicid>
+        <hostname>pc4</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>169</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>108</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>126</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>145</hostid>
+        <nicid>147</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>185</hostid>
+        <nicid>189</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>206</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>148</hostid>
+        <nicid>150</nicid>
+        <hostname>copier1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>195</hostid>
+        <nicid>198</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>208</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>170</hostid>
+        <nicid>172</nicid>
+        <hostname>copier2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>130</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port5</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>176</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>195</hostid>
+        <nicid>200</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>211</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>214</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>copier2</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>pc3</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc0</shost>
+      <dhost>net_switch0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>net_switch0</shost>
+      <dhost>pc4</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
diff --git a/EduNetworkBuilder/Resources/Level4_InternelSubnetting.enbx b/EduNetworkBuilder/Resources/Level4_InternelSubnetting.enbx
new file mode 100644
index 0000000..3117c0d
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level4_InternelSubnetting.enbx
@@ -0,0 +1,1661 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Sometimes it is good to subnet within your network.  Connect up PC5 to net_switch0 and give it an IP address that is on the same subnet as pc2.  To make sure it works, ping pc4 from pc5.</message>
+    <title>Internal Subnets</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>4</level>
+    <sortorder>7</sortorder>
+    <uniqueidentifier>181</uniqueidentifier>
+    <startinghelplevel>basic</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>440,350</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.20.2</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.10.5</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.10.1</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.10.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.10.6</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.100.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.20.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>copier0</hostname>
+      <size>100</size>
+      <uniqueidentifier>139</uniqueidentifier>
+      <location>290,780</location>
+      <mytype>copier</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.130</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>140</nicid>
+          <hostname>copier0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>140</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>139</hostid>
+          <nicid>141</nicid>
+          <hostname>copier0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.131</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>copier1</hostname>
+      <size>100</size>
+      <uniqueidentifier>148</uniqueidentifier>
+      <location>860,790</location>
+      <mytype>copier</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.130</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>148</hostid>
+          <nicid>149</nicid>
+          <hostname>copier1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>148</hostid>
+          <nicid>150</nicid>
+          <hostname>copier1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>150</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.131</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>copier2</hostname>
+      <size>100</size>
+      <uniqueidentifier>170</uniqueidentifier>
+      <location>290,600</location>
+      <mytype>copier</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.130</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>171</nicid>
+          <hostname>copier2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>170</hostid>
+          <nicid>172</nicid>
+          <hostname>copier2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>172</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.132</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>copier3</hostname>
+      <size>100</size>
+      <uniqueidentifier>173</uniqueidentifier>
+      <location>870,620</location>
+      <mytype>copier</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.130</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>174</nicid>
+          <hostname>copier3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>175</nicid>
+          <hostname>copier3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.132</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>113</uniqueidentifier>
+      <location>720,600</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>113</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>123</uniqueidentifier>
+      <location>150,600</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>133</uniqueidentifier>
+      <location>10,780</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>134</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>133</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>150,780</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>142</uniqueidentifier>
+      <location>600,800</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>143</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>142</hostid>
+          <nicid>144</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>145</uniqueidentifier>
+      <location>730,800</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>145</hostid>
+          <nicid>146</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>145</hostid>
+          <nicid>147</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc4</hostname>
+      <size>100</size>
+      <uniqueidentifier>161</uniqueidentifier>
+      <location>440,10</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.100.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>161</hostid>
+          <nicid>162</nicid>
+          <hostname>pc4</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>161</hostid>
+          <nicid>163</nicid>
+          <hostname>pc4</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.100.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>150,420</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.10.5</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.10.6</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.130</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.10.5</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>720,430</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.10.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.130</ip>
+            <mask>255.255.255.128</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>112</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.10.2</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>164</uniqueidentifier>
+      <location>440,170</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>165</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>166</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.20.1</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>167</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.100.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc5</hostname>
+      <size>100</size>
+      <uniqueidentifier>178</uniqueidentifier>
+      <location>550,640</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>178</hostid>
+          <nicid>179</nicid>
+          <hostname>pc5</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>179</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>178</hostid>
+          <nicid>180</nicid>
+          <hostname>pc5</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>180</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>164</hostid>
+        <nicid>167</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>161</hostid>
+        <nicid>163</nicid>
+        <hostname>pc4</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>169</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>145</hostid>
+        <nicid>147</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>113</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>157</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>133</hostid>
+        <nicid>135</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>108</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>126</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>170</hostid>
+        <nicid>172</nicid>
+        <hostname>copier2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>130</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port5</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>176</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>164</hostid>
+        <nicid>166</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>168</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>139</hostid>
+        <nicid>141</nicid>
+        <hostname>copier0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>142</hostid>
+        <nicid>144</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>113</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>156</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>148</hostid>
+        <nicid>150</nicid>
+        <hostname>copier1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>113</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>158</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>112</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>160</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>113</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>173</hostid>
+        <nicid>175</nicid>
+        <hostname>copier3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>113</hostid>
+        <nicid>120</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port5</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>177</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc5</shost>
+      <dhost>net_switch0</dhost>
+      <thetest>NeedsLinkToDevice</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc5</shost>
+      <dhost>pc2</dhost>
+      <thetest>NeedsLocalIPTo</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc5</shost>
+      <dhost>pc4</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
diff --git a/EduNetworkBuilder/Resources/Level4_OneRoute.enbx b/EduNetworkBuilder/Resources/Level4_OneRoute.enbx
new file mode 100644
index 0000000..04ed933
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level4_OneRoute.enbx
@@ -0,0 +1,1824 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>Look at the route on firewall2.  There is one rule, and yet you can ping both pc0 and pc1.  This is route aggregation, or combining two routes into one.  You can do that when the subnets are close enough to each other that one subnet mask can match both of them.</message>
+    <title>One route to bind them</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>4</level>
+    <sortorder>2</sortorder>
+    <uniqueidentifier>186</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>184</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn1</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>184</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.7.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn1</nicname>
+          <myip>
+            <ip>192.168.51.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.0.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.0.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall2</hostname>
+      <size>100</size>
+      <uniqueidentifier>158</uniqueidentifier>
+      <location>430,230</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.7.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>159</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>159</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>162</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.7.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>160</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>161</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>185</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.51.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.254.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.0.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop2</hostname>
+      <size>100</size>
+      <uniqueidentifier>176</uniqueidentifier>
+      <location>570,0</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>177</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>178</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.0.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>163</uniqueidentifier>
+      <location>430,80</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>164</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>165</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.3.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>166</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>167</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>168</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>168</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>169</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>170</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>170</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>171</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>172</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>172</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.0.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>173</uniqueidentifier>
+      <location>260,10</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>174</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>175</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth2</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>182</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth2</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>182</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey />
+        <interface>
+          <nicname>eth2</nicname>
+          <myip>
+            <ip>192.168.7.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>166</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>173</hostid>
+        <nicid>175</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>179</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>160</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>163</hostid>
+        <nicid>168</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>181</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>167</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>176</hostid>
+        <nicid>178</nicid>
+        <hostname>laptop2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>180</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>162</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>182</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>183</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level4_RouterReplacement.enbx b/EduNetworkBuilder/Resources/Level4_RouterReplacement.enbx
new file mode 100644
index 0000000..696db15
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level4_RouterReplacement.enbx
@@ -0,0 +1,1311 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>The one router got replaced and needs the correct IP-Addresses given to it.</message>
+    <title>Router Replacement</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>4</level>
+    <sortorder>5</sortorder>
+    <uniqueidentifier>197</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>176</uniqueidentifier>
+      <location>110,250</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>172.16.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>177</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>180</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>180</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>172.16.1.2</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>178</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>195</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>195</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Key</encryptionkey>
+        <tunnelendpoint>
+          <ip>172.16.1.18</ip>
+          <mask>255.255.0.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>181</uniqueidentifier>
+      <location>730,250</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>172.16.1.17</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>182</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>182</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>185</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>172.16.1.18</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>183</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>183</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>196</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>196</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Key</encryptionkey>
+        <tunnelendpoint>
+          <ip>172.16.1.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>109,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>122</uniqueidentifier>
+      <location>730,410</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>730,730</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>152</uniqueidentifier>
+      <location>110,700</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>153</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>154</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>186</uniqueidentifier>
+      <location>150,80</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>187</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>187</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>188</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>188</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.1.1</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>189</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>189</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.1.5</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.1.18</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.6</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>160</uniqueidentifier>
+      <location>360,300</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>161</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>162</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.1.6</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>163</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.1.9</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.1.2</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.5</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.1.18</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.10</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router3</hostname>
+      <size>100</size>
+      <uniqueidentifier>164</uniqueidentifier>
+      <location>450,10</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>165</nicid>
+          <hostname>router3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>166</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>167</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.1.2</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.9</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.1.18</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.14</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router4</hostname>
+      <size>100</size>
+      <uniqueidentifier>168</uniqueidentifier>
+      <location>720,90</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>168</hostid>
+          <nicid>169</nicid>
+          <hostname>router4</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>168</hostid>
+          <nicid>170</nicid>
+          <hostname>router4</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>170</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.1.14</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>168</hostid>
+          <nicid>171</nicid>
+          <hostname>router4</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.1.17</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.1.2</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.13</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>122</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>181</hostid>
+        <nicid>183</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>191</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>186</hostid>
+        <nicid>189</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>160</hostid>
+        <nicid>162</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>193</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>152</hostid>
+        <nicid>154</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>160</hostid>
+        <nicid>163</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>164</hostid>
+        <nicid>166</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>173</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>164</hostid>
+        <nicid>167</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>168</hostid>
+        <nicid>170</nicid>
+        <hostname>router4</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>175</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>176</hostid>
+        <nicid>178</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>190</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>176</hostid>
+        <nicid>180</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>186</hostid>
+        <nicid>188</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>192</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>181</hostid>
+        <nicid>185</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>168</hostid>
+        <nicid>171</nicid>
+        <hostname>router4</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>194</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>router2</shost>
+      <dhost>All</dhost>
+      <thetest>LockAll</thetest>
+    </nettest>
+    <nettest>
+      <shost>router4</shost>
+      <dhost>All</dhost>
+      <thetest>LockAll</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level4_SinglesLife.enbx b/EduNetworkBuilder/Resources/Level4_SinglesLife.enbx
new file mode 100644
index 0000000..5f060d6
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level4_SinglesLife.enbx
@@ -0,0 +1,1746 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>You must make one route on firewall2 that sends traffic to both other networks out of the one VPN.  The key to this puzzle is realizing that in the third octet, you can have a subnet of 254 and it can work.  In the final octet, a subnet mask of 254 gives you two numbers, which is invalid.  (You need one for the network address and one for the broadcast; there are insufficient numbers for any hosts)  In the third octet, it gives you two networks, which is fine.  This route should be the same one that was used in "One Route to Bind them"</message>
+    <title>Singles Life</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>4</level>
+    <sortorder>3</sortorder>
+    <uniqueidentifier>186</uniqueidentifier>
+    <startinghelplevel>basic</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>184</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn1</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>184</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.7.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn1</nicname>
+          <myip>
+            <ip>192.168.51.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.0.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.4.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.0.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.4.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall2</hostname>
+      <size>100</size>
+      <uniqueidentifier>158</uniqueidentifier>
+      <location>430,230</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.7.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>159</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>159</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>162</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.7.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>160</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.4.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>185</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.51.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.0.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop2</hostname>
+      <size>100</size>
+      <uniqueidentifier>176</uniqueidentifier>
+      <location>570,0</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.4.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>177</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>178</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.4.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.0.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>163</uniqueidentifier>
+      <location>430,80</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.4.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>164</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>165</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.4.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>166</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>167</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>168</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>168</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>169</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>170</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>170</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>171</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>172</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>172</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.0.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>173</uniqueidentifier>
+      <location>260,10</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.4.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>174</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>175</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.4.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth2</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>182</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth2</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>182</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth2</nicname>
+          <myip>
+            <ip>192.168.7.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>166</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>173</hostid>
+        <nicid>175</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>179</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>160</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>163</hostid>
+        <nicid>168</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>181</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>167</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>176</hostid>
+        <nicid>178</nicid>
+        <hostname>laptop2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>180</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>162</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>182</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>183</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc0</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+    <nettest>
+      <shost>firewall2</shost>
+      <dhost>192.168.0.0/23</dhost>
+      <thetest>NeedsRouteToNet</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/Level4_SmallSubnets.enbx b/EduNetworkBuilder/Resources/Level4_SmallSubnets.enbx
new file mode 100644
index 0000000..f168a26
--- /dev/null
+++ b/EduNetworkBuilder/Resources/Level4_SmallSubnets.enbx
@@ -0,0 +1,1302 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message>A router is misconfigured.  Figure out which one and fix it.  
+To understand why it fails, you need to know that a subnet mask of 254 in the final octet gives you only two IP addresses.  The lowest is reserved for the network and the highest is reserved for the broadcast address.  That does not leave any room for IP addresses, making it invalid. </message>
+    <title>Small Subnets</title>
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>True</showlabels>
+    <level>4</level>
+    <sortorder>1</sortorder>
+    <uniqueidentifier>197</uniqueidentifier>
+    <startinghelplevel>full</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>176</uniqueidentifier>
+      <location>110,250</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>172.16.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>177</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>180</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>180</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>172.16.1.2</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>178</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>195</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>195</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Key</encryptionkey>
+        <tunnelendpoint>
+          <ip>172.16.1.18</ip>
+          <mask>255.255.0.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>181</uniqueidentifier>
+      <location>730,250</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>172.16.1.17</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>182</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>182</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>185</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>172.16.1.18</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>183</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>183</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>181</hostid>
+          <nicid>196</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>196</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Key</encryptionkey>
+        <tunnelendpoint>
+          <ip>172.16.1.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>109,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>122</uniqueidentifier>
+      <location>730,410</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>730,730</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>152</uniqueidentifier>
+      <location>110,700</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>153</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>154</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>186</uniqueidentifier>
+      <location>150,80</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>187</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>187</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>188</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>188</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.1.1</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>186</hostid>
+          <nicid>189</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>189</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.1.5</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.1.18</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.6</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>160</uniqueidentifier>
+      <location>360,300</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>161</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>162</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.1.6</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>160</hostid>
+          <nicid>163</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.1.9</ip>
+            <mask>255.255.255.254</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.1.2</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.5</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.1.18</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.10</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router3</hostname>
+      <size>100</size>
+      <uniqueidentifier>164</uniqueidentifier>
+      <location>450,10</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>165</nicid>
+          <hostname>router3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>166</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.1.10</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>164</hostid>
+          <nicid>167</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.1.13</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.1.2</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.9</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>172.16.1.18</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.14</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router4</hostname>
+      <size>100</size>
+      <uniqueidentifier>168</uniqueidentifier>
+      <location>720,90</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>168</hostid>
+          <nicid>169</nicid>
+          <hostname>router4</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>168</hostid>
+          <nicid>170</nicid>
+          <hostname>router4</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>170</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>172.16.1.14</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>168</hostid>
+          <nicid>171</nicid>
+          <hostname>router4</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>172.16.1.17</ip>
+            <mask>255.255.255.252</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>172.16.1.2</ip>
+        <mask>255.255.255.252</mask>
+        <gateway>172.16.1.13</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>122</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>181</hostid>
+        <nicid>183</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>191</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>186</hostid>
+        <nicid>189</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>160</hostid>
+        <nicid>162</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>193</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>152</hostid>
+        <nicid>154</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>160</hostid>
+        <nicid>163</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>164</hostid>
+        <nicid>166</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>173</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>164</hostid>
+        <nicid>167</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>168</hostid>
+        <nicid>170</nicid>
+        <hostname>router4</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>175</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>176</hostid>
+        <nicid>178</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>190</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>176</hostid>
+        <nicid>180</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>186</hostid>
+        <nicid>188</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>192</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>181</hostid>
+        <nicid>185</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>168</hostid>
+        <nicid>171</nicid>
+        <hostname>router4</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>194</uniqueidentifier>
+    </link>
+    <nettest>
+      <shost>pc2</shost>
+      <dhost>pc1</dhost>
+      <thetest>SuccessfullyPings</thetest>
+    </nettest>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/NBIco.ico b/EduNetworkBuilder/Resources/NBIco.ico
new file mode 100644
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diff --git a/EduNetworkBuilder/Resources/OneNet.enbx b/EduNetworkBuilder/Resources/OneNet.enbx
new file mode 100644
index 0000000..e3035e3
--- /dev/null
+++ b/EduNetworkBuilder/Resources/OneNet.enbx
@@ -0,0 +1,544 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <height>1024</height>
+    <width>1024</width>
+    <uniqueidentifier>130</uniqueidentifier>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>559,560</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>123</uniqueidentifier>
+      <location>680,147</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>124</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>123</hostid>
+          <nicid>125</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>406,328</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>112</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>246,560</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>119</uniqueidentifier>
+      <location>400,158</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>120</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>121</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>119</hostid>
+          <nicid>122</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>112</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>126</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>109</hostid>
+        <nicid>113</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>127</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>114</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>119</hostid>
+        <nicid>121</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>128</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>119</hostid>
+        <nicid>122</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>123</hostid>
+        <nicid>125</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>129</uniqueidentifier>
+    </link>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/PC.png b/EduNetworkBuilder/Resources/PC.png
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diff --git a/EduNetworkBuilder/Resources/Server.png b/EduNetworkBuilder/Resources/Server.png
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diff --git a/EduNetworkBuilder/Resources/Switch.png b/EduNetworkBuilder/Resources/Switch.png
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diff --git a/EduNetworkBuilder/Resources/ThreeNets.enbx b/EduNetworkBuilder/Resources/ThreeNets.enbx
new file mode 100644
index 0000000..3924197
--- /dev/null
+++ b/EduNetworkBuilder/Resources/ThreeNets.enbx
@@ -0,0 +1,1558 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <height>1024</height>
+    <width>1024</width>
+    <uniqueidentifier>177</uniqueidentifier>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>120</uniqueidentifier>
+      <location>134,649</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>120</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>130</uniqueidentifier>
+      <location>769,649</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>134</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>135</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>136</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>137</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>138</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>130</hostid>
+          <nicid>139</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>422,124</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.3.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>143</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>144</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>145</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>146</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>146</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>147</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>147</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>148</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>148</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>149</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>149</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>150</uniqueidentifier>
+      <location>319,11</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>150</hostid>
+          <nicid>151</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>151</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>150</hostid>
+          <nicid>152</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>152</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>153</uniqueidentifier>
+      <location>515,8</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>153</hostid>
+          <nicid>154</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>153</hostid>
+          <nicid>155</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>155</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>156</uniqueidentifier>
+      <location>702,793</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>157</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>156</hostid>
+          <nicid>158</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>158</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>159</uniqueidentifier>
+      <location>836,786</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>159</hostid>
+          <nicid>160</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>159</hostid>
+          <nicid>161</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc4</hostname>
+      <size>100</size>
+      <uniqueidentifier>162</uniqueidentifier>
+      <location>229,772</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>162</hostid>
+          <nicid>163</nicid>
+          <hostname>pc4</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>163</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>162</hostid>
+          <nicid>164</nicid>
+          <hostname>pc4</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc5</hostname>
+      <size>100</size>
+      <uniqueidentifier>165</uniqueidentifier>
+      <location>70,769</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>165</hostid>
+          <nicid>166</nicid>
+          <hostname>pc5</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>165</hostid>
+          <nicid>167</nicid>
+          <hostname>pc5</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>428,479</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.10.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.20.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth3</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>118</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth3</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth3</nicname>
+          <myip>
+            <ip>192.168.30.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.10.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.20.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.30.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>104</uniqueidentifier>
+      <location>752,502</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.20.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>105</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>106</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.20.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>104</hostid>
+          <nicid>107</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>108</uniqueidentifier>
+      <location>143,509</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.10.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>108</hostid>
+          <nicid>109</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>108</hostid>
+          <nicid>110</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.10.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>108</hostid>
+          <nicid>111</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router3</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>428,260</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.30.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>router3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.30.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>router3</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>108</hostid>
+        <nicid>110</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>116</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>159</hostid>
+        <nicid>161</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>130</hostid>
+        <nicid>135</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>173</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>130</hostid>
+        <nicid>133</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>104</hostid>
+        <nicid>107</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>171</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>162</hostid>
+        <nicid>164</nicid>
+        <hostname>pc4</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>124</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>169</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>103</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>104</hostid>
+        <nicid>106</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>117</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>144</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>150</hostid>
+        <nicid>152</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>175</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>118</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>114</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>119</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>165</hostid>
+        <nicid>167</nicid>
+        <hostname>pc5</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>120</hostid>
+        <nicid>123</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>168</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>120</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>108</hostid>
+        <nicid>111</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>170</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>156</hostid>
+        <nicid>158</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>130</hostid>
+        <nicid>134</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>172</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>router3</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>140</hostid>
+        <nicid>143</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>174</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>145</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>153</hostid>
+        <nicid>155</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>176</uniqueidentifier>
+    </link>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/TwoNets.enbx b/EduNetworkBuilder/Resources/TwoNets.enbx
new file mode 100644
index 0000000..cfc4845
--- /dev/null
+++ b/EduNetworkBuilder/Resources/TwoNets.enbx
@@ -0,0 +1,1264 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <height>1024</height>
+    <width>1024</width>
+    <uniqueidentifier>160</uniqueidentifier>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>112</uniqueidentifier>
+      <location>109,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>113</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>114</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>114</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>112</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>122</uniqueidentifier>
+      <location>736,397</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>124</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>124</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>122</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>106</uniqueidentifier>
+      <location>103,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>107</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>106</hostid>
+          <nicid>108</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>109</uniqueidentifier>
+      <location>610,513</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>110</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>110</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>109</hostid>
+          <nicid>111</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>152</uniqueidentifier>
+      <location>212,530</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>153</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>153</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>152</hostid>
+          <nicid>154</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>154</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc3</hostname>
+      <size>100</size>
+      <uniqueidentifier>155</uniqueidentifier>
+      <location>733,516</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>156</nicid>
+          <hostname>pc3</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>155</hostid>
+          <nicid>157</nicid>
+          <hostname>pc3</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>True</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>132</uniqueidentifier>
+      <location>112,260</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>133</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>134</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>134</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>132</hostid>
+          <nicid>135</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router1</hostname>
+      <size>100</size>
+      <uniqueidentifier>136</uniqueidentifier>
+      <location>736,257</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.4.2</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>137</nicid>
+          <hostname>router1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>137</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>138</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.4.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>136</hostid>
+          <nicid>139</nicid>
+          <hostname>router1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.2</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>router2</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>403,110</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>router2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>143</nicid>
+          <hostname>router2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>143</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.4.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.1</gateway>
+        <type>route</type>
+      </route>
+      <dhcprange>
+        <ip>192.168.1.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.3.1</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.0</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.4.1</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>8,520</location>
+      <mytype>server</mytype>
+      <isdns>True</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>server0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>server0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.1.2</ip>
+        <mask>192.168.1.5</mask>
+        <gateway>192.168.1.7</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <device>
+      <hostname>server1</hostname>
+      <size>100</size>
+      <uniqueidentifier>103</uniqueidentifier>
+      <location>862,520</location>
+      <mytype>server</mytype>
+      <isdns>False</isdns>
+      <isdhcp>True</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>104</nicid>
+          <hostname>server1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>103</hostid>
+          <nicid>105</nicid>
+          <hostname>server1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>105</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <dhcprange>
+        <ip>127.0.0.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>route</type>
+      </dhcprange>
+      <dhcprange>
+        <ip>192.168.2.2</ip>
+        <mask>192.168.2.5</mask>
+        <gateway>192.168.2.10</gateway>
+        <type>route</type>
+      </dhcprange>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>server0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>115</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>144</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>143</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>136</hostid>
+        <nicid>138</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>148</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>109</hostid>
+        <nicid>111</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>151</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>103</hostid>
+        <nicid>105</nicid>
+        <hostname>server1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>126</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>136</hostid>
+        <nicid>139</nicid>
+        <hostname>router1</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>125</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>152</hostid>
+        <nicid>154</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>159</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>132</hostid>
+        <nicid>135</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>router2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>112</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>132</hostid>
+        <nicid>134</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>106</hostid>
+        <nicid>108</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>112</hostid>
+        <nicid>116</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>145</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>155</hostid>
+        <nicid>157</nicid>
+        <hostname>pc3</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>122</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port4</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>158</uniqueidentifier>
+    </link>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/WAP.png b/EduNetworkBuilder/Resources/WAP.png
new file mode 100644
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diff --git a/EduNetworkBuilder/Resources/firewalls.enbx b/EduNetworkBuilder/Resources/firewalls.enbx
new file mode 100644
index 0000000..18f5af5
--- /dev/null
+++ b/EduNetworkBuilder/Resources/firewalls.enbx
@@ -0,0 +1,1765 @@
+<?xml version="1.0" encoding="utf-8"?>
+<EduNetworkBuilder>
+  <!--This is a network file for EduNetworkBuilder.-->
+  <Network>
+    <message />
+    <title />
+    <height>1024</height>
+    <width>1024</width>
+    <itemsize>100</itemsize>
+    <showlabels>False</showlabels>
+    <level>0</level>
+    <sortorder>0</sortorder>
+    <uniqueidentifier>186</uniqueidentifier>
+    <startinghelplevel>none</startinghelplevel>
+    <device>
+      <hostname>firewall0</hostname>
+      <size>100</size>
+      <uniqueidentifier>100</uniqueidentifier>
+      <location>180,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.5.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>101</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>101</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>104</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>104</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.5.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>102</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>102</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>103</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>103</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>157</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>157</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.6.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn1</nicname>
+        <myid>
+          <hostid>100</hostid>
+          <nicid>184</nicid>
+          <hostname>firewall0</hostname>
+          <nicname>vpn1</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>184</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.7.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn1</nicname>
+          <myip>
+            <ip>192.168.51.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.2</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.2</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall1</hostname>
+      <size>100</size>
+      <uniqueidentifier>105</uniqueidentifier>
+      <location>700,510</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.6.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>106</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>106</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>109</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>109</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.6.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>107</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>107</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>108</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>108</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>105</hostid>
+          <nicid>156</nicid>
+          <hostname>firewall1</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>156</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Test</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.50.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.3.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.50.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>firewall2</hostname>
+      <size>100</size>
+      <uniqueidentifier>158</uniqueidentifier>
+      <location>430,230</location>
+      <mytype>firewall</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.7.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>159</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>159</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>wan</nictype>
+        <nicname>wan0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>162</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>wan0</nicname>
+        </myid>
+        <nictype>wan</nictype>
+        <uniqueidentifier>162</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>wan0</nicname>
+          <myip>
+            <ip>192.168.7.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>160</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>160</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>161</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>161</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>vpn</nictype>
+        <nicname>vpn0</nicname>
+        <myid>
+          <hostid>158</hostid>
+          <nicid>185</nicid>
+          <hostname>firewall2</hostname>
+          <nicname>vpn0</nicname>
+        </myid>
+        <nictype>vpn</nictype>
+        <uniqueidentifier>185</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <encryptionkey>Secondary</encryptionkey>
+        <tunnelendpoint>
+          <ip>192.168.5.2</ip>
+          <mask>255.255.255.0</mask>
+          <gateway>0.0.0.0</gateway>
+          <type>ip_only</type>
+        </tunnelendpoint>
+        <interface>
+          <nicname>vpn0</nicname>
+          <myip>
+            <ip>192.168.51.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <route>
+        <ip>192.168.1.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+      <route>
+        <ip>192.168.2.1</ip>
+        <mask>255.255.255.0</mask>
+        <gateway>192.168.51.1</gateway>
+        <type>route</type>
+      </route>
+    </device>
+    <device>
+      <hostname>laptop0</hostname>
+      <size>100</size>
+      <uniqueidentifier>140</uniqueidentifier>
+      <location>280,830</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>141</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>141</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>140</hostid>
+          <nicid>142</nicid>
+          <hostname>laptop0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>142</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop1</hostname>
+      <size>100</size>
+      <uniqueidentifier>143</uniqueidentifier>
+      <location>800,850</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>144</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>144</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>143</hostid>
+          <nicid>145</nicid>
+          <hostname>laptop1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>145</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>laptop2</hostname>
+      <size>100</size>
+      <uniqueidentifier>176</uniqueidentifier>
+      <location>570,0</location>
+      <mytype>laptop</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>177</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>177</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>176</hostid>
+          <nicid>178</nicid>
+          <hostname>laptop2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>178</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.3</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch0</hostname>
+      <size>100</size>
+      <uniqueidentifier>114</uniqueidentifier>
+      <location>180,670</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>115</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>115</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>116</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>116</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.1.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>117</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>117</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>118</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>118</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>119</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>119</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>120</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>120</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>121</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>121</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>122</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>122</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>114</hostid>
+          <nicid>123</nicid>
+          <hostname>net_switch0</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>123</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch1</hostname>
+      <size>100</size>
+      <uniqueidentifier>124</uniqueidentifier>
+      <location>700,690</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>125</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>125</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>126</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>126</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.2.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>127</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>127</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>128</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>128</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>129</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>129</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>130</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>130</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>131</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>131</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>132</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>132</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>124</hostid>
+          <nicid>133</nicid>
+          <hostname>net_switch1</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>133</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>net_switch2</hostname>
+      <size>100</size>
+      <uniqueidentifier>163</uniqueidentifier>
+      <location>430,80</location>
+      <mytype>net_switch</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>164</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>164</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>management_interface</nictype>
+        <nicname>management_interface0</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>165</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>management_interface0</nicname>
+        </myid>
+        <nictype>management_interface</nictype>
+        <uniqueidentifier>165</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>management_interface0</nicname>
+          <myip>
+            <ip>192.168.3.4</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port1</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>166</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port1</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>166</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port1</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port2</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>167</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port2</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>167</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port2</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port3</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>168</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port3</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>168</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port3</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port4</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>169</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port4</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>169</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port4</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port5</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>170</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port5</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>170</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port5</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port6</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>171</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port6</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>171</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port6</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>port</nictype>
+        <nicname>port7</nicname>
+        <myid>
+          <hostid>163</hostid>
+          <nicid>172</nicid>
+          <hostname>net_switch2</hostname>
+          <nicname>port7</nicname>
+        </myid>
+        <nictype>port</nictype>
+        <uniqueidentifier>172</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>port7</nicname>
+          <myip>
+            <ip>0.0.0.0</ip>
+            <mask>0.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc0</hostname>
+      <size>100</size>
+      <uniqueidentifier>134</uniqueidentifier>
+      <location>90,830</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.1.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>135</nicid>
+          <hostname>pc0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>135</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>134</hostid>
+          <nicid>136</nicid>
+          <hostname>pc0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>136</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.1.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc1</hostname>
+      <size>100</size>
+      <uniqueidentifier>137</uniqueidentifier>
+      <location>600,850</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.2.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>138</nicid>
+          <hostname>pc1</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>138</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>137</hostid>
+          <nicid>139</nicid>
+          <hostname>pc1</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>139</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.2.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>pc2</hostname>
+      <size>100</size>
+      <uniqueidentifier>173</uniqueidentifier>
+      <location>260,10</location>
+      <mytype>pc</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>192.168.3.1</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>174</nicid>
+          <hostname>pc2</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>174</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>173</hostid>
+          <nicid>175</nicid>
+          <hostname>pc2</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>175</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.3.2</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <device>
+      <hostname>router0</hostname>
+      <size>100</size>
+      <uniqueidentifier>110</uniqueidentifier>
+      <location>430,410</location>
+      <mytype>router</mytype>
+      <isdns>False</isdns>
+      <isdhcp>False</isdhcp>
+      <gateway>
+        <ip>0.0.0.0</ip>
+        <mask>0.0.0.0</mask>
+        <gateway>0.0.0.0</gateway>
+        <type>gw</type>
+      </gateway>
+      <nic>
+        <nictype>lo</nictype>
+        <nicname>lo0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>111</nicid>
+          <hostname>router0</hostname>
+          <nicname>lo0</nicname>
+        </myid>
+        <nictype>lo</nictype>
+        <uniqueidentifier>111</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>lo0</nicname>
+          <myip>
+            <ip>127.0.0.1</ip>
+            <mask>255.0.0.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth0</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>112</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth0</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>112</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth0</nicname>
+          <myip>
+            <ip>192.168.6.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth1</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>113</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth1</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>113</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth1</nicname>
+          <myip>
+            <ip>192.168.5.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+      <nic>
+        <nictype>eth</nictype>
+        <nicname>eth2</nicname>
+        <myid>
+          <hostid>110</hostid>
+          <nicid>182</nicid>
+          <hostname>router0</hostname>
+          <nicname>eth2</nicname>
+        </myid>
+        <nictype>eth</nictype>
+        <uniqueidentifier>182</uniqueidentifier>
+        <usesdhcp>False</usesdhcp>
+        <interface>
+          <nicname>eth2</nicname>
+          <myip>
+            <ip>192.168.7.1</ip>
+            <mask>255.255.255.0</mask>
+            <gateway>0.0.0.0</gateway>
+            <type>ip</type>
+          </myip>
+        </interface>
+      </nic>
+    </device>
+    <link>
+      <SrcNic>
+        <hostid>140</hostid>
+        <nicid>142</nicid>
+        <hostname>laptop0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>118</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>147</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>166</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port1</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>173</hostid>
+        <nicid>175</nicid>
+        <hostname>pc2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>179</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>134</hostid>
+        <nicid>136</nicid>
+        <hostname>pc0</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>114</hostid>
+        <nicid>117</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>146</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>137</hostid>
+        <nicid>139</nicid>
+        <hostname>pc1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>127</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>149</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>143</hostid>
+        <nicid>145</nicid>
+        <hostname>laptop1</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>124</hostid>
+        <nicid>128</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>150</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>160</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>eth0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>163</hostid>
+        <nicid>168</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port3</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>181</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>105</hostid>
+        <nicid>109</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>112</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>153</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>114</hostid>
+        <nicid>119</nicid>
+        <hostname>net_switch0</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>100</hostid>
+        <nicid>102</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>154</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>100</hostid>
+        <nicid>104</nicid>
+        <hostname>firewall0</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>113</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth1</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>155</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>124</hostid>
+        <nicid>129</nicid>
+        <hostname>net_switch1</hostname>
+        <nicname>port3</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>105</hostid>
+        <nicid>107</nicid>
+        <hostname>firewall1</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>152</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>163</hostid>
+        <nicid>167</nicid>
+        <hostname>net_switch2</hostname>
+        <nicname>port2</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>176</hostid>
+        <nicid>178</nicid>
+        <hostname>laptop2</hostname>
+        <nicname>eth0</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>180</uniqueidentifier>
+    </link>
+    <link>
+      <SrcNic>
+        <hostid>158</hostid>
+        <nicid>162</nicid>
+        <hostname>firewall2</hostname>
+        <nicname>wan0</nicname>
+      </SrcNic>
+      <DstNic>
+        <hostid>110</hostid>
+        <nicid>182</nicid>
+        <hostname>router0</hostname>
+        <nicname>eth2</nicname>
+      </DstNic>
+      <hostname />
+      <uniqueidentifier>183</uniqueidentifier>
+    </link>
+  </Network>
+</EduNetworkBuilder>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/ip_phone.png b/EduNetworkBuilder/Resources/ip_phone.png
new file mode 100644
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diff --git a/EduNetworkBuilder/Resources/languages/edustrings.fr.Designer.cs b/EduNetworkBuilder/Resources/languages/edustrings.fr.Designer.cs
new file mode 100644
index 0000000..e69de29
diff --git a/EduNetworkBuilder/Resources/languages/edustrings.fr.resx b/EduNetworkBuilder/Resources/languages/edustrings.fr.resx
new file mode 100644
index 0000000..a4d83f5
--- /dev/null
+++ b/EduNetworkBuilder/Resources/languages/edustrings.fr.resx
@@ -0,0 +1,414 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <data name="NB_msMainMenuStrip" xml:space="preserve">
+    <value>msMainMenuStrip</value>
+  </data>
+  <data name="NB_fileToolStripMenuItem" xml:space="preserve">
+    <value>Fichier</value>
+  </data>
+  <data name="NB_newToolStripMenuItem" xml:space="preserve">
+    <value>Nouveau</value>
+  </data>
+  <data name="NB_loadToolStripMenuItem" xml:space="preserve">
+    <value>Charge</value>
+  </data>
+  <data name="NB_reloadToolStripMenuItem" xml:space="preserve">
+    <value>Recharger</value>
+  </data>
+  <data name="NB_saveToolStripMenuItem" xml:space="preserve">
+    <value>Sauvegarder</value>
+  </data>
+  <data name="NB_exitToolStripMenuItem" xml:space="preserve">
+    <value>Sortie</value>
+  </data>
+  <data name="NB_editToolStripMenuItem" xml:space="preserve">
+    <value>Éditer</value>
+  </data>
+  <data name="NB_cutToolStripMenuItem" xml:space="preserve">
+    <value>Coupe</value>
+  </data>
+  <data name="NB_copyToolStripMenuItem" xml:space="preserve">
+    <value>Copie</value>
+  </data>
+  <data name="NB_pasteToolStripMenuItem" xml:space="preserve">
+    <value>Pâte</value>
+  </data>
+  <data name="NB_undoToolStripMenuItem" xml:space="preserve">
+    <value>Défaire</value>
+  </data>
+  <data name="NB_optionsToolStripMenuItem" xml:space="preserve">
+    <value>Options</value>
+  </data>
+  <data name="NB_allToolStripMenuItem" xml:space="preserve">
+    <value>Tous</value>
+  </data>
+  <data name="NB_dHCPRequestToolStripMenuItem" xml:space="preserve">
+    <value>Requête DHCP</value>
+  </data>
+  <data name="NB_clearArpTableToolStripMenuItem" xml:space="preserve">
+    <value>Effacer Arp tableau</value>
+  </data>
+  <data name="NB_clearIPsToolStripMenuItem" xml:space="preserve">
+    <value>IPs claires</value>
+  </data>
+  <data name="NB_pingToolStripMenuItem" xml:space="preserve">
+    <value>Ping</value>
+  </data>
+  <data name="NB_helpToolStripMenuItem" xml:space="preserve">
+    <value>Aidez-Moi</value>
+  </data>
+  <data name="NB_helpToolStripMenuItem1" xml:space="preserve">
+    <value>Aidez-Moi</value>
+  </data>
+  <data name="NB_aboutToolStripMenuItem" xml:space="preserve">
+    <value>Sur</value>
+  </data>
+  <data name="NB_releaseNotesToolStripMenuItem" xml:space="preserve">
+    <value>Notes De Version</value>
+  </data>
+  <data name="NB_checkForUpdatesToolStripMenuItem" xml:space="preserve">
+    <value>Vérifier les mises à jour</value>
+  </data>
+  <data name="NB_samplesToolStripMenuItem" xml:space="preserve">
+    <value>Échantillons</value>
+  </data>
+  <data name="NB_puzzlesToolStripMenuItem" xml:space="preserve">
+    <value>Puzzle</value>
+  </data>
+  <data name="NB_solvedToolStripMenuItem" xml:space="preserve">
+    <value>Résolu</value>
+  </data>
+  <data name="NB_dHCPToolStripMenuItem" xml:space="preserve">
+    <value>DHCP</value>
+  </data>
+  <data name="NB_oneNetworkToolStripMenuItem" xml:space="preserve">
+    <value>One Network</value>
+  </data>
+  <data name="NB_twoNetworksToolStripMenuItem" xml:space="preserve">
+    <value>Deux réseaux</value>
+  </data>
+  <data name="NB_threeNetworksToolStripMenuItem" xml:space="preserve">
+    <value>Trois Réseaux</value>
+  </data>
+  <data name="NB_firewallsToolStripMenuItem" xml:space="preserve">
+    <value>Firewalls</value>
+  </data>
+  <data name="NB_toSolveToolStripMenuItem" xml:space="preserve">
+    <value>Résoudre</value>
+  </data>
+  <data name="NB_solvedDHCPToolStripMenuItem" xml:space="preserve">
+    <value>DHCP</value>
+  </data>
+  <data name="NB_solvedOneNetworkToolStripMenuItem" xml:space="preserve">
+    <value>One Network</value>
+  </data>
+  <data name="NB_solvedTwoNetworksToolStripMenuItem" xml:space="preserve">
+    <value>Deux réseaux</value>
+  </data>
+  <data name="NB_SolvedThreeNetworksToolStripMenuItem" xml:space="preserve">
+    <value>Trois Réseaux</value>
+  </data>
+  <data name="NB_firewallsToolStripMenuItem1" xml:space="preserve">
+    <value>Firewalls</value>
+  </data>
+  <data name="NB_lblStatus" xml:space="preserve">
+    <value>lblStatus</value>
+  </data>
+  <data name="NB_btnHelp" xml:space="preserve">
+    <value>?</value>
+  </data>
+  <data name="NB_Form" xml:space="preserve">
+    <value>Network Builder</value>
+  </data>
+  <data name="DC_lblHostname" xml:space="preserve">
+    <value>Hostname</value>
+  </data>
+  <data name="DC_lblHelp" xml:space="preserve">
+    <value>HelpGoesHere</value>
+  </data>
+  <data name="DC_btnCancel" xml:space="preserve">
+    <value>Annuler</value>
+  </data>
+  <data name="DC_btnOK" xml:space="preserve">
+    <value>Ok</value>
+  </data>
+  <data name="DC_btnNicPlus" xml:space="preserve">
+    <value />
+  </data>
+  <data name="DC_btnNicMinus" xml:space="preserve">
+    <value>-</value>
+  </data>
+  <data name="DC_btnNicEdit" xml:space="preserve">
+    <value>éditer</value>
+  </data>
+  <data name="DC_btnIfEdit" xml:space="preserve">
+    <value>éditer</value>
+  </data>
+  <data name="DC_btnIfMinus" xml:space="preserve">
+    <value>-</value>
+  </data>
+  <data name="DC_btnIfAdd" xml:space="preserve">
+    <value />
+  </data>
+  <data name="DC_btnGateway" xml:space="preserve">
+    <value>Passerelle:</value>
+  </data>
+  <data name="DC_btnRoutes" xml:space="preserve">
+    <value>Routes</value>
+  </data>
+  <data name="DC_cbDHCP" xml:space="preserve">
+    <value>Serveur DHCP</value>
+  </data>
+  <data name="DC_btnDHCP" xml:space="preserve">
+    <value>DHCP</value>
+  </data>
+  <data name="DC_Form" xml:space="preserve">
+    <value>DeviceConfig</value>
+  </data>
+  <data name="IPAE_lblIP" xml:space="preserve">
+    <value>IP</value>
+  </data>
+  <data name="IPAE_lblNetmask" xml:space="preserve">
+    <value>Netmask</value>
+  </data>
+  <data name="IPAE_lblGateway" xml:space="preserve">
+    <value>Passerelle</value>
+  </data>
+  <data name="IPAE_btnCancel" xml:space="preserve">
+    <value>Annuler</value>
+  </data>
+  <data name="IPAE_btnOK" xml:space="preserve">
+    <value>OK</value>
+  </data>
+  <data name="IPAE_Form" xml:space="preserve">
+    <value>Adresse IP Entrée</value>
+  </data>
+  <data name="LE_btnLink" xml:space="preserve">
+    <value>Lien</value>
+  </data>
+  <data name="LE_btnCancel" xml:space="preserve">
+    <value>Annuler</value>
+  </data>
+  <data name="LE_Form" xml:space="preserve">
+    <value>LinkEditor</value>
+  </data>
+  <data name="LBW_btnOK" xml:space="preserve">
+    <value>OK</value>
+  </data>
+  <data name="LBW_lblInstructions" xml:space="preserve">
+    <value>label1</value>
+  </data>
+  <data name="LBW_btnAdd" xml:space="preserve">
+    <value>Nouveau</value>
+  </data>
+  <data name="LBW_cbLoadPuzzlesAtStart" xml:space="preserve">
+    <value>Montrer ce au démarrage</value>
+  </data>
+  <data name="LBW_btnReset" xml:space="preserve">
+    <value>Réinitialiser</value>
+  </data>
+  <data name="LBW_Form" xml:space="preserve">
+    <value>ListBoxWindow</value>
+  </data>
+  <data name="NTE_lblSource" xml:space="preserve">
+    <value>Source Host</value>
+  </data>
+  <data name="NTE_lblTest" xml:space="preserve">
+    <value>Test</value>
+  </data>
+  <data name="NTE_lblDest" xml:space="preserve">
+    <value>Dest hôte</value>
+  </data>
+  <data name="NTE_btnOK" xml:space="preserve">
+    <value>Terminé</value>
+  </data>
+  <data name="NTE_btnCancel" xml:space="preserve">
+    <value>Annuler</value>
+  </data>
+  <data name="NTE_Form" xml:space="preserve">
+    <value>Modifier un test</value>
+  </data>
+  <data name="NCE_cbCanUseDHCP" xml:space="preserve">
+    <value>Peut utiliser DHCP</value>
+  </data>
+  <data name="NCE_cbDHCP" xml:space="preserve">
+    <value>Utilise DHCP</value>
+  </data>
+  <data name="NCE_label1" xml:space="preserve">
+    <value>Nom Nic</value>
+  </data>
+  <data name="NCE_label2" xml:space="preserve">
+    <value>Nic type</value>
+  </data>
+  <data name="NCE_label3" xml:space="preserve">
+    <value>Adresse Mac</value>
+  </data>
+  <data name="NCE_btnDone" xml:space="preserve">
+    <value>Terminé</value>
+  </data>
+  <data name="NCE_lblLinkStatus" xml:space="preserve">
+    <value>LinkStatus</value>
+  </data>
+  <data name="NCE_Form" xml:space="preserve">
+    <value>NetworkCardEditor</value>
+  </data>
+  <data name="OW_btnDone" xml:space="preserve">
+    <value>Terminé</value>
+  </data>
+  <data name="OW_lblNetTitle" xml:space="preserve">
+    <value>Titre Net</value>
+  </data>
+  <data name="OW_cbDisplayTitles" xml:space="preserve">
+    <value>Afficher Titres</value>
+  </data>
+  <data name="OW_lblNetSize" xml:space="preserve">
+    <value>Taille du réseau (x, y)</value>
+  </data>
+  <data name="OW_lblItemSize" xml:space="preserve">
+    <value>ItemSize</value>
+  </data>
+  <data name="OW_lblNetMessage" xml:space="preserve">
+    <value>Message donné lorsque le réseau chargé</value>
+  </data>
+  <data name="OW_lblTests" xml:space="preserve">
+    <value>Tests (pour Puzzles)</value>
+  </data>
+  <data name="OW_lblTags" xml:space="preserve">
+    <value>Tags pour Puzzle</value>
+  </data>
+  <data name="OW_lblLevel" xml:space="preserve">
+    <value>Niveau</value>
+  </data>
+  <data name="OW_lblSortOrder" xml:space="preserve">
+    <value>Ordre De Tri</value>
+  </data>
+  <data name="OW_lblStartingHelp" xml:space="preserve">
+    <value>Démarrage Aide Level</value>
+  </data>
+  <data name="OW_Form" xml:space="preserve">
+    <value>OptionsWindow</value>
+  </data>
+  <data name="RTFW_btnOK" xml:space="preserve">
+    <value>OK</value>
+  </data>
+  <data name="RTFW_Form" xml:space="preserve">
+    <value>RTFWindow</value>
+  </data>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/languages/edustrings.resx b/EduNetworkBuilder/Resources/languages/edustrings.resx
new file mode 100644
index 0000000..c722b3e
--- /dev/null
+++ b/EduNetworkBuilder/Resources/languages/edustrings.resx
@@ -0,0 +1,520 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <data name="NB_msMainMenuStrip" xml:space="preserve">
+    <value>msMainMenuStrip</value>
+    <comment>NetworkBuilder msMainMenuStrip = msMainMenuStrip</comment>
+  </data>
+  <data name="NB_fileToolStripMenuItem" xml:space="preserve">
+    <value>File</value>
+    <comment>NetworkBuilder fileToolStripMenuItem = File</comment>
+  </data>
+  <data name="NB_newToolStripMenuItem" xml:space="preserve">
+    <value>New</value>
+    <comment>NetworkBuilder newToolStripMenuItem = New</comment>
+  </data>
+  <data name="NB_loadToolStripMenuItem" xml:space="preserve">
+    <value>Load</value>
+    <comment>NetworkBuilder loadToolStripMenuItem = Load</comment>
+  </data>
+  <data name="NB_reloadToolStripMenuItem" xml:space="preserve">
+    <value>Reload</value>
+    <comment>NetworkBuilder reloadToolStripMenuItem = Reload</comment>
+  </data>
+  <data name="NB_saveToolStripMenuItem" xml:space="preserve">
+    <value>Save</value>
+    <comment>NetworkBuilder saveToolStripMenuItem = Save</comment>
+  </data>
+  <data name="NB_exitToolStripMenuItem" xml:space="preserve">
+    <value>Exit</value>
+    <comment>NetworkBuilder exitToolStripMenuItem = Exit</comment>
+  </data>
+  <data name="NB_editToolStripMenuItem" xml:space="preserve">
+    <value>Edit</value>
+    <comment>NetworkBuilder editToolStripMenuItem = Edit</comment>
+  </data>
+  <data name="NB_cutToolStripMenuItem" xml:space="preserve">
+    <value>Cut</value>
+    <comment>NetworkBuilder cutToolStripMenuItem = Cut</comment>
+  </data>
+  <data name="NB_copyToolStripMenuItem" xml:space="preserve">
+    <value>Copy</value>
+    <comment>NetworkBuilder copyToolStripMenuItem = Copy</comment>
+  </data>
+  <data name="NB_pasteToolStripMenuItem" xml:space="preserve">
+    <value>Paste</value>
+    <comment>NetworkBuilder pasteToolStripMenuItem = Paste</comment>
+  </data>
+  <data name="NB_undoToolStripMenuItem" xml:space="preserve">
+    <value>Undo</value>
+    <comment>NetworkBuilder undoToolStripMenuItem = Undo</comment>
+  </data>
+  <data name="NB_optionsToolStripMenuItem" xml:space="preserve">
+    <value>Options</value>
+    <comment>NetworkBuilder optionsToolStripMenuItem = Options</comment>
+  </data>
+  <data name="NB_allToolStripMenuItem" xml:space="preserve">
+    <value>All</value>
+    <comment>NetworkBuilder allToolStripMenuItem = All</comment>
+  </data>
+  <data name="NB_dHCPRequestToolStripMenuItem" xml:space="preserve">
+    <value>DHCP Request</value>
+    <comment>NetworkBuilder dHCPRequestToolStripMenuItem = DHCP Request</comment>
+  </data>
+  <data name="NB_clearArpTableToolStripMenuItem" xml:space="preserve">
+    <value>Clear Arp Table</value>
+    <comment>NetworkBuilder clearArpTableToolStripMenuItem = Clear Arp Table</comment>
+  </data>
+  <data name="NB_clearIPsToolStripMenuItem" xml:space="preserve">
+    <value>Clear IPs</value>
+    <comment>NetworkBuilder clearIPsToolStripMenuItem = Clear IPs</comment>
+  </data>
+  <data name="NB_pingToolStripMenuItem" xml:space="preserve">
+    <value>Ping</value>
+    <comment>NetworkBuilder pingToolStripMenuItem = Ping</comment>
+  </data>
+  <data name="NB_helpToolStripMenuItem" xml:space="preserve">
+    <value>Help</value>
+    <comment>NetworkBuilder helpToolStripMenuItem = Help</comment>
+  </data>
+  <data name="NB_helpToolStripMenuItem1" xml:space="preserve">
+    <value>Help</value>
+    <comment>NetworkBuilder helpToolStripMenuItem1 = Help</comment>
+  </data>
+  <data name="NB_aboutToolStripMenuItem" xml:space="preserve">
+    <value>About</value>
+    <comment>NetworkBuilder aboutToolStripMenuItem = About</comment>
+  </data>
+  <data name="NB_releaseNotesToolStripMenuItem" xml:space="preserve">
+    <value>Release Notes</value>
+    <comment>NetworkBuilder releaseNotesToolStripMenuItem = Release Notes</comment>
+  </data>
+  <data name="NB_checkForUpdatesToolStripMenuItem" xml:space="preserve">
+    <value>Check For Updates</value>
+    <comment>NetworkBuilder checkForUpdatesToolStripMenuItem = Check For Updates</comment>
+  </data>
+  <data name="NB_samplesToolStripMenuItem" xml:space="preserve">
+    <value>Samples</value>
+    <comment>NetworkBuilder samplesToolStripMenuItem = Samples</comment>
+  </data>
+  <data name="NB_puzzlesToolStripMenuItem" xml:space="preserve">
+    <value>Puzzles</value>
+    <comment>NetworkBuilder puzzlesToolStripMenuItem = Puzzles</comment>
+  </data>
+  <data name="NB_solvedToolStripMenuItem" xml:space="preserve">
+    <value>Solved</value>
+    <comment>NetworkBuilder solvedToolStripMenuItem = Solved</comment>
+  </data>
+  <data name="NB_dHCPToolStripMenuItem" xml:space="preserve">
+    <value>DHCP</value>
+    <comment>NetworkBuilder dHCPToolStripMenuItem = DHCP</comment>
+  </data>
+  <data name="NB_oneNetworkToolStripMenuItem" xml:space="preserve">
+    <value>One Network</value>
+    <comment>NetworkBuilder oneNetworkToolStripMenuItem = One Network</comment>
+  </data>
+  <data name="NB_twoNetworksToolStripMenuItem" xml:space="preserve">
+    <value>Two Networks</value>
+    <comment>NetworkBuilder twoNetworksToolStripMenuItem = Two Networks</comment>
+  </data>
+  <data name="NB_threeNetworksToolStripMenuItem" xml:space="preserve">
+    <value>Three Networks</value>
+    <comment>NetworkBuilder threeNetworksToolStripMenuItem = Three Networks</comment>
+  </data>
+  <data name="NB_firewallsToolStripMenuItem" xml:space="preserve">
+    <value>Firewalls</value>
+    <comment>NetworkBuilder firewallsToolStripMenuItem = Firewalls</comment>
+  </data>
+  <data name="NB_toSolveToolStripMenuItem" xml:space="preserve">
+    <value>To Solve</value>
+    <comment>NetworkBuilder toSolveToolStripMenuItem = To Solve</comment>
+  </data>
+  <data name="NB_solvedDHCPToolStripMenuItem" xml:space="preserve">
+    <value>DHCP</value>
+    <comment>NetworkBuilder solvedDHCPToolStripMenuItem = DHCP</comment>
+  </data>
+  <data name="NB_solvedOneNetworkToolStripMenuItem" xml:space="preserve">
+    <value>One Network</value>
+    <comment>NetworkBuilder solvedOneNetworkToolStripMenuItem = One Network</comment>
+  </data>
+  <data name="NB_solvedTwoNetworksToolStripMenuItem" xml:space="preserve">
+    <value>Two Networks</value>
+    <comment>NetworkBuilder solvedTwoNetworksToolStripMenuItem = Two Networks</comment>
+  </data>
+  <data name="NB_SolvedThreeNetworksToolStripMenuItem" xml:space="preserve">
+    <value>Three Networks</value>
+    <comment>NetworkBuilder SolvedThreeNetworksToolStripMenuItem = Three Networks</comment>
+  </data>
+  <data name="NB_firewallsToolStripMenuItem1" xml:space="preserve">
+    <value>Firewalls</value>
+    <comment>NetworkBuilder firewallsToolStripMenuItem1 = Firewalls</comment>
+  </data>
+  <data name="NB_lblStatus" xml:space="preserve">
+    <value>lblStatus</value>
+    <comment>NetworkBuilder lblStatus = lblStatus</comment>
+  </data>
+  <data name="NB_btnHelp" xml:space="preserve">
+    <value>?</value>
+    <comment>NetworkBuilder btnHelp = ?</comment>
+  </data>
+  <data name="NB_Form" xml:space="preserve">
+    <value>Network Builder</value>
+    <comment>NetworkBuilder Form = Network Builder</comment>
+  </data>
+  <data name="DC_lblHostname" xml:space="preserve">
+    <value>Hostname</value>
+    <comment>DeviceConfig lblHostname = Hostname</comment>
+  </data>
+  <data name="DC_lblHelp" xml:space="preserve">
+    <value>HelpGoesHere</value>
+    <comment>DeviceConfig lblHelp = HelpGoesHere</comment>
+  </data>
+  <data name="DC_btnCancel" xml:space="preserve">
+    <value>Cancel</value>
+    <comment>DeviceConfig btnCancel = Cancel</comment>
+  </data>
+  <data name="DC_btnOK" xml:space="preserve">
+    <value>Ok</value>
+    <comment>DeviceConfig btnOK = Ok</comment>
+  </data>
+  <data name="DC_btnNicPlus" xml:space="preserve">
+    <value>+</value>
+    <comment>DeviceConfig btnNicPlus = +</comment>
+  </data>
+  <data name="DC_btnNicMinus" xml:space="preserve">
+    <value>-</value>
+    <comment>DeviceConfig btnNicMinus = -</comment>
+  </data>
+  <data name="DC_btnNicEdit" xml:space="preserve">
+    <value>edit</value>
+    <comment>DeviceConfig btnNicEdit = edit</comment>
+  </data>
+  <data name="DC_btnIfEdit" xml:space="preserve">
+    <value>edit</value>
+    <comment>DeviceConfig btnIfEdit = edit</comment>
+  </data>
+  <data name="DC_btnIfMinus" xml:space="preserve">
+    <value>-</value>
+    <comment>DeviceConfig btnIfMinus = -</comment>
+  </data>
+  <data name="DC_btnIfAdd" xml:space="preserve">
+    <value>+</value>
+    <comment>DeviceConfig btnIfAdd = +</comment>
+  </data>
+  <data name="DC_btnGateway" xml:space="preserve">
+    <value>Gateway:</value>
+    <comment>DeviceConfig btnGateway = Gateway:</comment>
+  </data>
+  <data name="DC_btnRoutes" xml:space="preserve">
+    <value>Routes</value>
+    <comment>DeviceConfig btnRoutes = Routes</comment>
+  </data>
+  <data name="DC_cbDHCP" xml:space="preserve">
+    <value>DHCP Server</value>
+    <comment>DeviceConfig cbDHCP = DHCP Server</comment>
+  </data>
+  <data name="DC_btnDHCP" xml:space="preserve">
+    <value>DHCP</value>
+    <comment>DeviceConfig btnDHCP = DHCP</comment>
+  </data>
+  <data name="DC_Form" xml:space="preserve">
+    <value>DeviceConfig</value>
+    <comment>DeviceConfig Form = DeviceConfig</comment>
+  </data>
+  <data name="IPAE_lblIP" xml:space="preserve">
+    <value>IP</value>
+    <comment>IPAddressEntry lblIP = IP</comment>
+  </data>
+  <data name="IPAE_lblNetmask" xml:space="preserve">
+    <value>Netmask</value>
+    <comment>IPAddressEntry lblNetmask = Netmask</comment>
+  </data>
+  <data name="IPAE_lblGateway" xml:space="preserve">
+    <value>Gateway</value>
+    <comment>IPAddressEntry lblGateway = Gateway</comment>
+  </data>
+  <data name="IPAE_btnCancel" xml:space="preserve">
+    <value>Cancel</value>
+    <comment>IPAddressEntry btnCancel = Cancel</comment>
+  </data>
+  <data name="IPAE_btnOK" xml:space="preserve">
+    <value>OK</value>
+    <comment>IPAddressEntry btnOK = OK</comment>
+  </data>
+  <data name="IPAE_Form" xml:space="preserve">
+    <value>IP-Address Entry</value>
+    <comment>IPAddressEntry Form = IP-Address Entry</comment>
+  </data>
+  <data name="LE_btnLink" xml:space="preserve">
+    <value>Link</value>
+    <comment>LinkEditor btnLink = Link</comment>
+  </data>
+  <data name="LE_btnCancel" xml:space="preserve">
+    <value>Cancel</value>
+    <comment>LinkEditor btnCancel = Cancel</comment>
+  </data>
+  <data name="LE_Form" xml:space="preserve">
+    <value>LinkEditor</value>
+    <comment>LinkEditor Form = LinkEditor</comment>
+  </data>
+  <data name="LBW_btnOK" xml:space="preserve">
+    <value>OK</value>
+    <comment>ListBoxWindow btnOK = OK</comment>
+  </data>
+  <data name="LBW_lblInstructions" xml:space="preserve">
+    <value>label1</value>
+    <comment>ListBoxWindow lblInstructions = label1</comment>
+  </data>
+  <data name="LBW_btnAdd" xml:space="preserve">
+    <value>New</value>
+    <comment>ListBoxWindow btnAdd = New</comment>
+  </data>
+  <data name="LBW_cbLoadPuzzlesAtStart" xml:space="preserve">
+    <value>Show this at start</value>
+    <comment>ListBoxWindow cbLoadPuzzlesAtStart = Show this at start</comment>
+  </data>
+  <data name="LBW_btnReset" xml:space="preserve">
+    <value>Reset</value>
+    <comment>ListBoxWindow btnReset = Reset</comment>
+  </data>
+  <data name="LBW_Form" xml:space="preserve">
+    <value>ListBoxWindow</value>
+    <comment>ListBoxWindow Form = ListBoxWindow</comment>
+  </data>
+  <data name="NTE_lblSource" xml:space="preserve">
+    <value>Source Host</value>
+    <comment>NetTestEditor lblSource = Source Host</comment>
+  </data>
+  <data name="NTE_lblTest" xml:space="preserve">
+    <value>Test</value>
+    <comment>NetTestEditor lblTest = Test</comment>
+  </data>
+  <data name="NTE_lblDest" xml:space="preserve">
+    <value>Dest Host</value>
+    <comment>NetTestEditor lblDest = Dest Host</comment>
+  </data>
+  <data name="NTE_btnOK" xml:space="preserve">
+    <value>Done</value>
+    <comment>NetTestEditor btnOK = Done</comment>
+  </data>
+  <data name="NTE_btnCancel" xml:space="preserve">
+    <value>Cancel</value>
+    <comment>NetTestEditor btnCancel = Cancel</comment>
+  </data>
+  <data name="NTE_Form" xml:space="preserve">
+    <value>Edit a Test</value>
+    <comment>NetTestEditor Form = Edit a Test</comment>
+  </data>
+  <data name="NCE_cbCanUseDHCP" xml:space="preserve">
+    <value>Can use DHCP</value>
+    <comment>NetworkCardEditor cbCanUseDHCP = Can use DHCP</comment>
+  </data>
+  <data name="NCE_cbDHCP" xml:space="preserve">
+    <value>Uses DHCP</value>
+    <comment>NetworkCardEditor cbDHCP = Uses DHCP</comment>
+  </data>
+  <data name="NCE_label1" xml:space="preserve">
+    <value>Nic Name</value>
+    <comment>NetworkCardEditor label1 = Nic Name</comment>
+  </data>
+  <data name="NCE_label2" xml:space="preserve">
+    <value>Nic Type</value>
+    <comment>NetworkCardEditor label2 = Nic Type</comment>
+  </data>
+  <data name="NCE_label3" xml:space="preserve">
+    <value>MAC Address</value>
+    <comment>NetworkCardEditor label3 = MAC Address</comment>
+  </data>
+  <data name="NCE_btnDone" xml:space="preserve">
+    <value>Done</value>
+    <comment>NetworkCardEditor btnDone = Done</comment>
+  </data>
+  <data name="NCE_lblLinkStatus" xml:space="preserve">
+    <value>LinkStatus</value>
+    <comment>NetworkCardEditor lblLinkStatus = LinkStatus</comment>
+  </data>
+  <data name="NCE_Form" xml:space="preserve">
+    <value>NetworkCardEditor</value>
+    <comment>NetworkCardEditor Form = NetworkCardEditor</comment>
+  </data>
+  <data name="OW_btnDone" xml:space="preserve">
+    <value>Done</value>
+    <comment>OptionsWindow btnDone = Done</comment>
+  </data>
+  <data name="OW_lblNetTitle" xml:space="preserve">
+    <value>Net Title</value>
+    <comment>OptionsWindow lblNetTitle = Net Title</comment>
+  </data>
+  <data name="OW_cbDisplayTitles" xml:space="preserve">
+    <value>Display Titles</value>
+    <comment>OptionsWindow cbDisplayTitles = Display Titles</comment>
+  </data>
+  <data name="OW_lblNetSize" xml:space="preserve">
+    <value>Network Size (x,y)</value>
+    <comment>OptionsWindow lblNetSize = Network Size (x,y)</comment>
+  </data>
+  <data name="OW_lblItemSize" xml:space="preserve">
+    <value>ItemSize</value>
+    <comment>OptionsWindow lblItemSize = ItemSize</comment>
+  </data>
+  <data name="OW_lblNetMessage" xml:space="preserve">
+    <value>Message given when network loaded</value>
+    <comment>OptionsWindow lblNetMessage = Message given when network loaded</comment>
+  </data>
+  <data name="OW_lblTests" xml:space="preserve">
+    <value>Tests (for Puzzles)</value>
+    <comment>OptionsWindow lblTests = Tests (for Puzzles)</comment>
+  </data>
+  <data name="OW_lblTags" xml:space="preserve">
+    <value>Tags for Puzzle</value>
+    <comment>OptionsWindow lblTags = Tags for Puzzle</comment>
+  </data>
+  <data name="OW_lblLevel" xml:space="preserve">
+    <value>Level</value>
+    <comment>OptionsWindow lblLevel = Level</comment>
+  </data>
+  <data name="OW_lblSortOrder" xml:space="preserve">
+    <value>Sort Order</value>
+    <comment>OptionsWindow lblSortOrder = Sort Order</comment>
+  </data>
+  <data name="OW_lblStartingHelp" xml:space="preserve">
+    <value>Starting Help Level</value>
+    <comment>OptionsWindow lblStartingHelp = Starting Help Level</comment>
+  </data>
+  <data name="OW_Form" xml:space="preserve">
+    <value>OptionsWindow</value>
+    <comment>OptionsWindow Form = OptionsWindow</comment>
+  </data>
+  <data name="RTFW_rtbContent" xml:space="preserve">
+    <value />
+    <comment>RTFWindow rtbContent = </comment>
+  </data>
+  <data name="RTFW_btnOK" xml:space="preserve">
+    <value>OK</value>
+    <comment>RTFWindow btnOK = OK</comment>
+  </data>
+  <data name="RTFW_Form" xml:space="preserve">
+    <value>RTFWindow</value>
+    <comment>RTFWindow Form = RTFWindow</comment>
+  </data>
+  <data name="NB_changeLanguageToolStripMenuItem" xml:space="preserve">
+    <value>Change Language</value>
+    <comment>NetworkBuilder changeLanguageToolStripMenuItem = Change Language</comment>
+  </data>
+</root>
\ No newline at end of file
diff --git a/EduNetworkBuilder/Resources/link.png b/EduNetworkBuilder/Resources/link.png
new file mode 100644
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