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Cisco Bug: CSCuj16742 - ASR901: No Bind for CEM PW at Headend on Standby Core Isolate Recover

Last Modified

Feb 13, 2018

Products (16)

  • Cisco ASR 901 Series Aggregation Services Routers
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
  • Cisco ASR 901-12C-FT-D Router
  • Cisco ME 3600X-24CX-M Switch
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Known Affected Releases

15.4(1)S

Description (partial)

Symptom: In a pseudowire redundancy configuration, packets may fail to flow even though the xconnect virtual circuit appears to be up.
Conditions: This symptom has been observed when the xconnect is re-provisioned while the primary pseudowire is down and the backup pseudowire is up. The issue has only been observed on Circuit Emulation (CEM) attachment circuits, but it is possible other attachment circuit types may be affected as well.
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