[c-nsp] High interrupt load on 7507

[Joe Maimon]

Rodney Dunn wrote:

> David,
> 
> I don't have a setup to test right now but dot1q should surely
> be dCEF switched.
> 
> What type of vip2 do you have and how much memory on them?
> 
> Post a 'sh cef line', 'sh int stat' after you clear the counters
> and let it run for 2 minutes.
> 
> 'sh run' so we can see the features you have enabled on the ingress
> egress interfaces.
> 
> if the RSP cpu is high you are punting the traffic for some reason.
> 
> Rodney

Yeah, but according to cisco performance docs the rsp4 has more 
switching power than the vip2-50

So in some cases you could be better off without dcef.