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Cisco Bug: CSCvu83104 - After Power outage, the cnBR is having issues with PTP pods sync and RPDs with late maps or no maps

Last Modified

Sep 14, 2020

Products (1)

  • Cisco Cloud Native Broadband Router

Known Affected Releases

CCMTS-20.2 CNBR-20.3

Description (partial)

Symptom:
When the PTP server hits a failure and then gets recovered, which causes the PTP clock on cnBR system gets out-of-sync and then recover, the RPD and modems will go offline, and RPDs will go into the HOLDOVER sate.
there may also be some pods crashing,  and the cnBR is in an abnormal state.

Conditions:
the PTP server fails with any reason and then gets recovered.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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