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Cisco Bug: CSCup19533 - Link OAM - Link Monitoring function not working in ASR9000

Last Modified

Jul 21, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.1.2.BASE 5.3.3.BASE

Description (partial)

Symptom:
Link OAM - Link monitoring function not working between ASR9000s

An impairment tool is corrupting frames passing between the two ASR9000s
Even though, DUTs detect incoming CRC errors, however there is NO link monitoring activity raised

RP/0/RSP0/CPU0:PE1#sh ethern oam statistics interface gigabitEthernet 0/0/0/8 | include records
Tue Jun  3 20:15:16.842 UTC
    Errored Symbol Period records                     0
    Errored Frame records                             0
    Errored Frame Period records                      0
    Errored Frame Second records                      0
    Errored Symbol Period records                     0
    Errored Frame records                             0
    Errored Frame Period records                      0
    Errored Frame Second records                      0

Conditions:
ASR9000 with link oam configured:

interface GigabitEthernet0/0/0/8
 bundle id 1000 mode active
 ethernet oam
  profile TEST
 !
!


ethernet oam profile TEST
 link-monitor
  frame window 1000
  frame threshold low 1 high 5
 !
 action
  critical-event error-disable-interface
  high-threshold error-disable-interface
 !
!
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