Cisco GRE/IPSec performance, 3845 ISR/3945 ISR G2

Seth Mattinen sethm at
Thu Nov 18 16:47:35 CST 2010

On 11/18/2010 14:39, Pete Lumbis wrote:
> This is probably more appropriate for the cisco-nsp list, but what
> process is taking up the CPU or is it due to interrupts?
> To the best of my knowledge the crypto should be hardware accelerated,
> while everything else is going to be done in software on the 3800.

The ISR series do have onboard hardware crypto, but I don't know offhand
if it can handle a full DS3 worth.

My first guess is fragment reassembly would probably kill it fast.


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