[c-nsp] High interrupt load on 7507

[Rodney Dunn]

Depends on the overall switching capacity through the box.

A box loaded with 2-50's all dcef'ing can probably switch
more than a centralized RSP4.

On Wed, Jun 21, 2006 at 12:43:19PM -0400, Joe Maimon wrote:
> 
> 
> 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.