[nsp] Catalyst 6500 Hybrid

Daniel Roesen dr at cluenet.de
Sun May 2 08:08:13 EDT 2004


On Sun, May 02, 2004 at 09:40:27AM +0200, sthaug at nethelp.no wrote:
> > Keep in might that if you're doing uRPF as a security measure, neither
> > will work that well if you exceed 128,000 unicast routes, since the PFCs
> > max out at that.
> 
> Misunderstanding. This applies to the Sup2/PFC2, which has 256K hardware
> entries in the TCAM and gets halved if you turn on uRPF. The Sup720 also
> has 256K entries, but does *not* experience the "halving" when turning
> on uRPF. (This is documented on Cisco's web site, but you need to look
> for it...)

So Sup720 is becoming useless with more than 256K routes?


Regards,
Daniel


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