okay, so using an expensive lab is great, but what can you do if you’re at home. Emulation is the key.

Emulation is used for everything these days, from emulating old games machines, http://www.mame.net/download.html

or entire operating systems, http://www.cl.cam.ac.uk/research/srg/netos/xen/

to, of course Cisco routers!!!

Dynamips on windows!

you can now emulate cisco routers . . . → Read More: Dynamips Cisco Emulation @ Home.