wildfire wrote: Only problem I have found with Pemu on Windows is no Idle PC like Dynamips so the CPU peggs at 100% now lucky Im running on a Dual core, so it runs one to 100% and the other idles, but on my other PC it lags. Other than that its a great program that Im running in conjuction with Dynamips, where was all this years ago when I was spending all my hard earned cash on router switches and pix's