[c-nsp] ASR9k - input drops

Pshem Kowalczyk pshem.k at gmail.com
Wed Feb 16 16:51:32 EST 2011


Hi,

On 17 February 2011 09:48, Oliver Boehmer (oboehmer) <oboehmer at cisco.com> wrote:
>
>
>> That helps a lot. Any idea what those counters actually count? We seem
>> to have a very high PARSE_INGRESS_DROP_CNT (around 1000pps) and
>> UIDB_TCAM_MISS_AGG_DROP (another 1000pps)?
>
> I'm not an expert, but these two could be related: UIDB_TCAM_MISS_AGG_DROP reports packets hitting the main interface failing classification by any of its subinterface. Is this a trunk and you receive dot1q-tagged traffic which you don't have a matching subinterface or EVC?
>

You might be right, there is about 160 subinterfaces on that
interface, with both single and dual tag matches, both L2 and L3.
Since the services get provisioned by 3rd party it's possible (and
quite likely) that they provision access on vlans that we do not have
configured yet.

kind regards
Pshem



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