QoS mapping

Unanswered Question
Mar 9th, 2010

Hi

We are using QoS to mapping and prioritize the traffic with dscp ef. My question is the number of match packets is 6252362, but why only has 4074 packets matched in the Queueing? Just wondering if the router is re-structure the packet? Any ideas?

Thanks. Leo

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AP814N0001#sh policy-map inter
FastEthernet0/0

  Service-policy output: ALL-TRAFFIC

    Class-map: outgo (match-any)
      6252363 packets, 765717536 bytes
      30 second offered rate 2000 bps, drop rate 0 bps
      Match:  dscp ef (46)
        6252362 packets, 765717820 bytes
        30 second rate 2000 bps
      Queueing
        Strict Priority
        Output Queue: Conversation 264
        Bandwidth 60 (%)
        Bandwidth 614 (kbps) Burst 15350 (Bytes)
        (pkts matched/bytes matched) 4074/511500
        (total drops/bytes drops) 0/0

    Class-map: class-default (match-any)
      31221535 packets, 17145236205 bytes
      30 second offered rate 25000 bps, drop rate 0 bps
      Match: any
      Queueing
        Flow Based Fair Queueing
        Maximum Number of Hashed Queues 256
        (total queued/total drops/no-buffer drops) 0/0/0

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Lei Tian Tue, 03/09/2010 - 18:27

Hi Leo,

The software queuing only kicks in when there is congestion on the interface. So the output tells you, you have 6252362 packets match the class, and 4074 of them are been sent out during congestion.

HTH,

Lei Tian

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