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N7000 : details of packets dropped by COPP policy (class-default) ?

Hi,

On one of our N7K, we have some packets dropped by the COPP policy in the class-default class-map. :

Partial results of "show policy-map interface control-plane" not so long after clearing the counters :

class-map class-default (match-any)

      set cos 0

      police cir 100 kbps , bc 250 ms

      module 1 :

        conformed 12210790 bytes; action: transmit

        violated 201870 bytes; action: drop

      module 2 :

        conformed 8399646 bytes; action: transmit

        violated 0 bytes; action: drop

      module 3 :

        conformed 34518233 bytes; action: transmit

        violated 6186895 bytes; action: drop

What would be the best way to figure out what traffic is dropped by the policy ? Is there any logging possible ?

Thanks,

Laurent

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New Member

N7000 : details of packets dropped by COPP policy (class-default

There is still no logging possible.

What can be done is piping the class-default-traffic to some port and then analyze it with wireshark or some similar tool. But as far as I know, this still cannot be done by default - at least with NX-OS 4.2(4) we had to reprogram the module with assistance from TAC. I suggest you contact your support partner in this matter.

New Member

N7000 : details of packets dropped by COPP policy (class-default

Anyone know if the class-map type logging/policy-map type logging features are planned for NX-OS?

Hi, were you able to find out

Hi, were you able to find out which packets are being dropped by the class-default? 

 

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