Greg at Etherealmind has a call for educational IOS up on his site. It had to be redone because the signatures were lost from the first round. Dynamips is great but it has it’s issues and takes a lot of horsepower. Using IOU is illegal, it would be for the best if Cisco made an educational IOS available, an IOS that has all features but cripples the throughput which doesn’t matter in a lab anyway. Cisco is now also using IOU in the CCIE lab for the troubleshooting, maybe they could release this in some form? Please sign the petition here.