【ADWAN巡检】检查SR66和MSR设备bfd报文QoS保障配置是否配置

提示检查SR66和MSR设备bfd报文QoS保障配置是否配置

查看SR6600/MSR设备和其他广域网设备互连接口即WAN口，需要下发qos policy（或在已有的policy中增加一下CB对），链路拥塞时SR66/MSR设备不会优先转发其他设备的BFD报文（EXP=7）致使该设备隧道震荡，可以通过控制器下发应用保障配置,若未配置应用保障配置可以通过手工配置规避。

在设备上检查和其他广域网设备互连接口即WAN口，执行如下命令行确认：

[SR]display qos policy interface GigabitEthernet 2/0 outbound

Interface: GigabitEthernet2/0

  Direction: Outbound

  Policy: ADWAN-QPOutGE2/0

   Classifier: default-class

     Matched : 31895 (Packets) 3802097 (Bytes)

     5-minute statistics:

      Forwarded: 88/84951 (pps/bps)

      Dropped  : 0/0 (pps/bps)

     Operator: AND

     Rule(s) :

      If-match any

     Behavior: be

     Default Queue:

      Flow based Weighted Fair Queue:

        Max number of hashed queues: 256

        Matched  : 0 (Packets) 0 (Bytes)

        Enqueued : 0 (Packets) 0 (Bytes)

        Discarded: 0 (Packets) 0 (Bytes)

        Discard Method: Tail

   Classifier: trafficClassifier7

     Matched : 2092 (Packets) 305432 (Bytes)

     5-minute statistics:

      Forwarded: 5/6805 (pps/bps)

      Dropped  : 0/0 (pps/bps)

     Operator: OR

     Rule(s) :

      If-match mpls-exp 1

     Behavior: trafficBehavior8

      Assured Forwarding:

        Bandwidth 240000 (kbps)

        Matched  : 0 (Packets) 0 (Bytes)

        Enqueued : 0 (Packets) 0 (Bytes)

        Discarded: 0 (Packets) 0 (Bytes)

        Discard Method: Tail

   Classifier: exp7

     Matched : 2869 (Packets) 212306 (Bytes)

     5-minute statistics:

      Forwarded: 7/4728 (pps/bps)

      Dropped  : 0/0 (pps/bps)

     Operator: AND

     Rule(s) :

      If-match mpls-exp 7

     Behavior: exp7

      Strict Priority:

        Matched  : 0 (Packets) 0 (Bytes)

        Enqueued : 0 (Packets) 0 (Bytes)

        Discarded: 0 (Packets) 0 (Bytes)

确认匹配mpls-exp 7的对应behavior名称为exp7，再查看behavior视图下是否配置队列保障

[SR]display current-configuration | begin "traffic behavior exp7"

traffic behavior exp7

  queue sp或者queue ef bandwidth pct xx

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如果在控制器上下发了应用保障，可以对应在控制器上检查是否参数正常（一般默认未修改）确认下发正常