Ian MacKinnon wrote:
Hi All,
Does anybody have any idea the impact of running multiple GRE tunnels on
a 4948 switch?
I can see that it will be processed by software rather than hardware,
but just how much of a problem is this likely to be?
I am only talking about a max of 100M of GRE traffic, amongst a couple
of Gig of total traffic.
I think one of the actual cisco.com guys would have to speak up to
answer this question properly with figures on CPU speed, processing
times, etc. I would say with an off-the-cuff figure is that process
switching 100M would swamp most CPUs that Cisco has on the market. I'm
fairly confident that our Sup720-3BXLs wouldn't take kindly to it. The
experts would probably have a better answer for you though.
Justin
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