[c-nsp] 6500 - What determines whether certain traffic is punted or not?
Justin Shore
justin at justinshore.com
Tue Nov 24 14:19:21 EST 2009
Drew Weaver wrote:
> Hi,
>
> No HSRP, VRRP or GLBP on this box.
>
> #sh mac-address-table aging-time
> Vlan Aging Time
> ---- ----------
> Global 300
> no vlan age other than global age configured
>
> Routed MAC aging time: 300 seconds
>
> This is on our core, though so there are no hosts connected here.
Well, I guess the next step would be to identify the ingress and egress
interfaces that for these example packets and dive into the interface
config to see if something on the interface is causing the punting. Can
you sanitize it and post it? I once saw a situation with netflow on an
interface causing all packets ingressing or egressing that interface to
get punted. Something in NF got screwed up. Removing it and reapplying
it to the interface fixed the problem.
Sometimes things just break.(tm)
Justin
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