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Cisco Bug: CSCus00367 - NBAR2 not recognizing the cisco-phone traffic

Last Modified

Jan 28, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

15.4(2.7)T

Description (partial)

Symptom:
Applied Policy map on ingress interface to see marking from cisco-phones but did not see any traffic matches. This is the policy-map applied in ingress direction:

R-NOCLAB-02#sh policy-map in gig 0/1
GigabitEthernet0/1

  Service-policy input: NBAR2

    Class-map: NBAR-IN-RT (match-any)
      0 packets, 0 bytes
      30 second offered rate 0000 bps, drop rate 0000 bps
      Match: protocol cisco-phone
        0 packets, 0 bytes<<<< no inputs
        30 second rate 0 bps
      QoS Set
        dscp af23
          Packets marked 0

    Class-map: class-default (match-any)
      610 packets, 46454 bytes
      30 second offered rate 10000 bps, drop rate 0000 bps
      Match: any
      QoS Set
        dscp af21

Conditions:
NBAR not recognizing the cisco-phone when used as match protocol in class-map
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