[c-nsp] Control plane policing for BFD

[ibogzipper iboge]

Hi Pete,
Thanks for the info .

Best Regards,
ibog


On Tue, Aug 20, 2013 at 4:09 PM, Pete Lumbis <alumbis at gmail.com> wrote:

> Another 7600 quirk.
>
> CSCsg20022 - ACL counters for BFD packets don't increment with CoPP
>
> Sounds like CoPP applies the QoS policy in hardware and the counters you
> see in CoPP are based on packets seen outside of CEF in software. Since BFD
> is in the CEF path, not the process path, these packets end up bypassing
> the process path and don't update the counters.
>
>
>
>
> On Tue, Aug 20, 2013 at 4:51 AM, ibogzipper iboge <ibogzipper at gmail.com>wrote:
>
>> Hi all,
>> Does BFD packet hits the control plane? I'm facing one issue one 7600
>> where
>> I can't see the ACL hit count on the control plane .
>>     190 permit udp 172.25.33.0 0.0.0.255 172.25.33.0 0.0.0.255 eq 3784
>>     200 permit udp 172.25.33.0 0.0.0.255 172.25.33.0 0.0.0.255 eq 3785
>>
>>  But if the line is missing we are observing the BFD session flap. whether
>> ACL counters won't increase if the ACL treated in LC ? or am i missing
>> anything
>>
>> Regards,
>> ibog.
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>
>