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Policy-map counters not increasing for QOS



I am doing a lab test to verify QOS on a Cisco 2960s 49P switch. The service policy applied to the interface Gi1/0/1 seems to be working as Wireshark capture (on the uplink trunk ports) indicate all traffic is correctly marked ("ef" for testint purposes). However, none of the counters in "show policy-map int gi1/0/1" seems to be increasing.

Standard IP access list acl-01

    10 permit any

Class Map match-all cm-01 (id 4)

   Match access-group name acl-01


  Policy Map pm-01

    Class cm-01

      set dscp ef


interface GigabitEthernet1/0/1

switchport access vlan 240

switchport mode access

switchport voice vlan 234

spanning-tree portfast

service-policy input pm-01


#show policy-map  interface gi1/0/1


  Service-policy input: pm-01

    Class-map: cm-01 (match-all)

      0 packets, 0 bytes

      5 minute offered rate 0 bps, drop rate 0 bps

      Match: access-group name acl-01

    Class-map: class-default (match-any)

      0 packets, 0 bytes

      5 minute offered rate 0 bps, drop rate 0 bps

      Match: any

        0 packets, 0 bytes

        5 minute rate 0 bps

#show mls qos

QoS is enabled

QoS ip packet dscp rewrite is enabled

#show mls qos  interface gi1/0/1


Attached policy-map for Ingress: pm-01

trust state: not trusted

trust mode: not trusted

trust enabled flag: ena

COS override: dis

default COS: 0

DSCP Mutation Map: Default DSCP Mutation Map

Trust device: none

qos mode: port-based

#show ver

Switch Ports Model              SW Version            SW Image

------ ----- -----              ----------            ----------

*    1 52    WS-C2960S-48LPS-L  15.0(2)SE2            C2960S-UNIVERSALK9-M

Has anyone else observed this ? A bug ?



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