[c-nsp] GRE on Cat-4948 switch

[Ian MacKinnon]

thanks everybody, good information.

Ian

On 14/01/2009 21:59, Geyer, Nick wrote:
> I tried this once as a 'last shot' solution for a problem I was
> encountering, across gig network with sustained traffic rate over the
> tunnel of around 80Mbps. CPU instantly skyrocketed and the switch cried
> no more. The switch had very minimal other traffic (around 20Mbps) and
> very basic config, no ACL's and all static routing with a little bit of
> RIP.
>
> Based on that first hand experience, I would say that the impact will be
> a non functioning network and would highly recommend against doing it.
>
> Regards,
>
> Nick.
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Ian MacKinnon
> Sent: Thursday, 15 January 2009 3:07 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] GRE on Cat-4948 switch
>
> 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.
>
> thanks
>
>
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