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mv_ Beginner
Beginner

7600 CBFWQ

Hi,

 

Can someone explain why in the following policy-map, the bandwidths under TEST_CHILD2000 child policy-map are calculated incorrectly? Class TEST-VLAN2000 is shaped to 4900Mbps. 5% from 4900 is not 125Mbps as well as 62% is not 1550Mbps. For other two classes, calculations are correct apparently.

 

Box is 7609 with 76-ES+T-4TGQ running 12.2(33)SRE10.

 

Thanks,

Michal

 

#show policy-map interface tenGigabitEthernet 8/4 | inc Class|bandwidth|cir|Strict|queue limit|policy
  Service-policy output: TEST-PARENT
    Class-map: TEST-VLAN2000 (match-all)
      queue limit 1024 packets
      shape (average) cir 4900000000, bc 19600000, be 19600000
      Service-policy : TEST_CHILD2000
          queue limit 128 packets
        Class-map: CMAP_VIDEO_EXP+DSCP (match-any)
              cir 650000000 bps, bc 20312500 bytes
          Priority: Strict, b/w exceed drops: 0
        Class-map: CMAP_NMS_CONTROL_EXP+DSCP (match-any)
          queue limit 128 packets
          bandwidth 5% (125000 kbps)
        Class-map: class-default (match-any)
          queue limit 512 packets
          bandwidth 62% (1550000 kbps)
    Class-map: TEST-VLAN2001 (match-all)
      queue limit 1024 packets
      shape (average) cir 950000000, bc 3800000, be 3800000
      Service-policy : TEST_CHILD2001
          queue limit 128 packets
        Class-map: CMAP_VIDEO_EXP+DSCP (match-any)
              cir 650000000 bps, bc 20312500 bytes
          Priority: Strict, b/w exceed drops: 0
        Class-map: CMAP_NMS_CONTROL_EXP+DSCP (match-any)
          queue limit 128 packets
          bandwidth 5% (47500 kbps)
        Class-map: class-default (match-any)
          queue limit 256 packets
          bandwidth 26% (247000 kbps)
    Class-map: TEST-VLAN2002 (match-all)
      queue limit 1024 packets
      shape (average) cir 950000000, bc 3800000, be 3800000
      Service-policy : TEST_CHILD2002
          queue limit 128 packets
        Class-map: CMAP_VIDEO_EXP+DSCP (match-any)
              cir 650000000 bps, bc 20312500 bytes
          Priority: Strict, b/w exceed drops: 0
        Class-map: CMAP_NMS_CONTROL_EXP+DSCP (match-any)
          queue limit 128 packets
          bandwidth 5% (47500 kbps)
        Class-map: class-default (match-any)
          queue limit 256 packets
          bandwidth 26% (247000 kbps)
    Class-map: class-default (match-any)
      queue limit 131072 packets
policy-map TEST_CHILD2000
  class CMAP_VIDEO_EXP+DSCP
    police cir 650000000
    priority
    queue-limit 128 packets
  class CMAP_NMS_CONTROL_EXP+DSCP
    bandwidth percent 5
    queue-limit 128 packets
  class class-default
    bandwidth percent 62
policy-map TEST_CHILD2001
  class CMAP_VIDEO_EXP+DSCP
    police cir 650000000
    priority
    queue-limit 128 packets
  class CMAP_NMS_CONTROL_EXP+DSCP
    bandwidth percent 5
    queue-limit 128 packets
  class class-default
    bandwidth percent 26
policy-map TEST_CHILD2002
  class CMAP_VIDEO_EXP+DSCP
    police cir 650000000
    priority
    queue-limit 128 packets
  class CMAP_NMS_CONTROL_EXP+DSCP
    bandwidth percent 5
    queue-limit 128 packets
  class class-default
    bandwidth percent 26
policy-map TEST-PARENT
  class TEST-VLAN2000
    shape average 4900000000
    queue-limit 1024 packets
   service-policy TEST_CHILD2000
  class TEST-VLAN2001
    shape average 950000000
    queue-limit 1024 packets
   service-policy TEST_CHILD2001
  class TEST-VLAN2002
    shape average 950000000
    queue-limit 1024 packets
   service-policy TEST_CHILD2002
  class class-default
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