[c-nsp] Slow Inter-Vlan traffic

Phil Mayers p.mayers at imperial.ac.uk
Wed Apr 17 08:43:11 EDT 2013

On 17/04/13 12:21, Sébastien MALHEIRO wrote:

> #sh interfaces Vlan41 stats
> #sh cef interface Vlan 41

You have to be a bit careful with these types of commands on 6500. Some 
of them show software state, some of them hardware state, and it 
requires some experience to know which.

It sounds like one or both of the new SVIs are being forwarded on CPU. 
Check the output of "sh run int xxx" and try a "shut / no shut". It 
could be a software bug or TCAM mis-program, or you've configured a 
feature which has disabled hardware forwarding.

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