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ritchieb
Beginner

Verification of Queuing/QoS on Cisco N7K

Hi,

My understanding is that by default the Cisco N7K will put voice/video packet in a priority queue (DSCP46), based on reading and the following output;

CISCON7K# show class-map type queuing 1p3q1t-8e-out-pq1


  Type queuing class-maps
  ========================

    class-map type queuing match-any 1p3q1t-8e-out-pq1
      Description: Classifier for Egress Priority queue 1 of type 1p3q1t8e
      match cos 5-7

CISCON7K# show policy-map interface eth 10/22 output type queuing


Global statistics status :   enabled

Ethernet10/22

  Service-policy (queuing) output:   default-4q-8e-out-policy

    Class-map (queuing):   1p3q1t-8e-out-pq1 (match-any)
      priority level 1
      queue dropped pkts : 0

    Class-map (queuing):   1p3q1t-8e-out-q2 (match-any)
      bandwidth remaining percent 33
      queue dropped pkts : 0

    Class-map (queuing):   1p3q1t-8e-out-q3 (match-any)
      bandwidth remaining percent 33
      queue dropped pkts : 0

    Class-map (queuing):   1p3q1t-8e-out-q-default (match-any)
      bandwidth remaining percent 33
      queue dropped pkts : 0

CISCON7K# show table-map dscp-cos-map

  Table-map dscp-cos-map
    default copy


Can anyone assist me with a command that will verify that packets are hitting this queue? Struggling to find info online or using contextual help (ie, the ?)

Also looking to very the dscp-cos-map, cant find this info.

I'm being asked by another team to prove that it is in fact prioritizing voice traffic.

Thanks in advance!

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