[c-nsp] 3750 Dropping into software forwarding?

Kevin Graham mahargk at gmail.com
Thu Feb 1 20:27:02 EST 2007


On 2/1/07, Will Hargrave <will at harg.net> wrote:
> Will Hargrave wrote:
>
> > It's a shame that Cisco don't give any guidance on how to interpret
> > 'show platform tcam usage' on 3750. On 6500 you can do 'show platform
> > hardware capacity forwarding' to check your TCAM usage.
>
> ... I didn't look hard enough ...

You're still 1/2 right though, since AFAIK there's no analogue for
CISCO-SWITCH-ENGINE-MIB::cseTcamUsageTable for anything but the 6500,
so from a network monitoring perspective you're still blind.

I'm sure I've brought it up here before, but its absence is
particularly bad in the DSBU switches given their limited capacity and
variability from 'sdm prefer' and the different models (ie. 3750G-12S
vs. all other 3750's).


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