[c-nsp] GRE

[Rodney Dunn]

Jason wrote:
> Greetings,
> 
> This is a quick and simple question.  Can someone confirm my suspicion 
> that GRE is process switched on a 2651XM?

on 12.4 and later code (can't remember exactly where we did it) the SYN 
is CEF switched and the rest of the flow. RST/FIN's are process switched 
to tear down the translation.

Then if you have any ALG processing for embedded payload it's all 
process switched.

Plug for NAT:

ASR1k does it all in hardware. ;)


   Also, if there's a document
> somewhere outlining what is process switched on which router/switch that 
> would be really handy to have.

Doesn't exist. Too many variables.



> 
> Thanks,
> Jason
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