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Cisco Bug: CSCuw36899 - Standby ASR5500 NotReadyForRecovery for over 2 hours

Last Modified

Feb 20, 2018

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

19.0.0.61423 20.0.0 20.0.v0

Description (partial)

Symptom:
Standby ASR5500 show session recovery status verbose shows the following information:

    Overall Status  = Starting Up, Not Ready
    Standby DPC2 card entry has "status" = Too Few Standby.
    This Standby DPC2 had 0 (zero) standby sessmgrs and aaamgrs
This condition persists for over 2 hours. Call loss may happen if ICSR Switchover takes place during this time period.

Conditions:
This issue occurs in the following scenario:

ASR5500 + DPC2 + DeMuxMIO
ICSR
10m PDN sessions.
Mix of LTE + eHRPD + GGSN + WiFi calls.
Inter/Intra tech handovers happening
MakeBreaks happening
Unplanned DPC2 migration manually induced on the standby Cisco ASR5000.
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