You want to setup your CCIE lab with Simulators and don’t want to spend a lot of money into expensive hardware on ebay? You just nieed an Cisco 7200’er Image and can simulate the machine. Interconecting machines is also possible. Check out:
http://www.ipflow.utc.fr/index.php/Cisco_7200_Simulator
With the frontend:
http://dyna-gen.sourceforge.net/
Here is a nice explanation of how to set it up:
http://brokenpipes.blogspot.com/2006/09/become-ccie-with-simulator.html