Advanced GNS3 Topology
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Author:  burnburger [ Tue Mar 13, 2012 5:44 pm ]
Post subject:  Advanced GNS3 Topology

This is an advanced GNS3 Network. It is based on the CCNA Exploration Labs, but modified with Windows Servers & Clients using VirtualBox. I would recommend at least 4GB of ram and a Quad Processor or better (I run this on an i5 with 4GB). For my purposes, I went with a varied approach.

Eagle Server - Windows 2003 R2 (x86), 512MB
Domain Controller - Windows 2008 (x86), 768MB
Clients - Windows XP Professional (x86), 256MB

R1-ISP : Cisco 7200, 128MB
R2-Central : Cisco 3725, 128MB
S1-Central: Cisco 3640 w/NM-ESW16, 96MB

This totals 2.1GB, well within the 4GB range.

I use this lab to test RADUIS, Firewalls, NAT, DNS, plus other stuff. The tough part was creating the Eagle-Server, I tried many variations but I chose Windows 2003 platform for DNS because I had trouble working with DNS BIND (which I figured out later on). This server helps test common traffic.
XAMPP gives you a Web Server, SQL, FTP, and Email server in a nice cohesive package. Openfire Instant Messenger and MediaWiki setup was tricky, I had to Google for some help. I installed an NTP Server daemon so it can sync time with the Cisco Routers.

Running on Windows 2003 R2 Server
Windows 2003 DNS
MediaWiki -
OpenFire -
NTP Master -

The Windows 2008 Server is a DC with Active Directory and RADIUS...This is optional (not really needed unless you have good PC specs)
You can substitutes the Windows Servers with Windows XP, all those applications will work. But a couple of modifications below need to be done.
I was able to get DNS BIND running on XP -
For RADIUS on XP use FreeRadius -

Note:Using XAMPP for home labs is fine....not for production. It was not designed for security.

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