I know routers often rate limit the generation of ICMP error message to keep CPU load manageable. Does anyone know if there are routers that also rate limit the forwarding of ICMP messages? In particular, I'd be interested in Cisco routers.The reason...

I'm a sysadmin tasked with finding a managed service provider or networking contractor to build out our new colo space networking. I'm hoping to get some input to make sure I don't sound like an idiot when contacting them about this, and to make sure...