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Cisco Bug: CSCus20507 - CFM HW offload meps not Up with EFP rewrite command

Last Modified

Aug 07, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

5.3.0.BASE 5.3.2.BASE

Description (partial) 

Symptom:
HW-Offloaded Down MEP CFM sessions will not come up over L2 sub-interface.

Conditions:
HW-Offloaded Down MEP session configured over L2 interface with rewrite options. Its seen on following line cards:
  
  A9K-MOD80-SE
  A9K-MOD80-TR
  A9K-MOD160-SE
  A9K-MOD160-TR
  A9K-24X10GE-SE
  A9K-24X10GE-TR
  A9K-36X10GE-SE
  A9K-36X10GE-TR
  A9K-2X100GE-SE
  A9K-2X100GE-TR
  A9K-1X100GE-SE
  A9K-1X100GE-TR

Example Configuration : 
 interface TenGigE0/0/1/3.1000 l2transport
 encapsulation dot1q 2000
 rewrite ingress tag translate 1-to-1 dot1q 200 symmetric
 ethernet cfm
  mep domain d1 service s1 mep-id 2
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