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Cisco Bug: CSCvt73700 - ISSU aborted in load phase due to OSPF SPF milestone is not completed

Last Modified

Sep 02, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

7.1.2.BASE 7.2.1.BASE

Description (partial)

Symptom:
ISSU aborted during load phase due to OSPF did not declare ready in time as OSPF SPF milestone not completed.

================================================================================
    Milestone                       | Start Time          |  End Time  
================================================================================
ospf (1029) on 0/RP1/CPU0 (9/10 done)
    OSPF SPF is done*               | Apr  6 13:39:52.826 | -

SPF not done hence milestone complete notification not sent from OSPF to ISSU infra and that's why this got broken

Conditions:
Only under the specific condition when there is exact LSA to be processed in External LSA Q or Summary LSA Q is the same exactly as SPF LSA processing quantum value defined (here quantum value 150) this issue got hit
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