[c-nsp] CPU utilization for handling interrupt

Phil Mayers p.mayers at imperial.ac.uk
Wed Oct 5 09:21:44 EDT 2011


On 05/10/11 14:15, Pete Lumbis wrote:
> TCP Adjust-mss causes the 6k to punt the SYN to SW. I'm not sure if this
> will be process switched or CEF switched (interrupt), but I don't see a
> reason why we couldn't do it in software CEF.

Ah, well spotted; I didn't see that.

FWIW I have used adjust-mss on our default route to work around 
temporary MTU problems; it performed quite well, but I'm not sure what 
traffic rate the OP is facing.


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