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Cisco Bug: CSCvs31470 - OSPF Hello causing 9K block depletion, control point CPU 100% and cluster unstable.

Last Modified

Jan 25, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.9(2)

Description (partial)

Symptom:
Customer has 5585-40 in a 4 node cluster and in multi-context mode.
Issues observed:
1.OSPF flapping
2. 9K block depletion 
3. CP 100% CPU
4. Cluster unstable

Conditions:
1. Cluster setup
2. Multi-context mode with OSPF configured for all contexts.
3. jumbo-frame reservation is enabled.
4. Aggressive OSPF hello-interval.
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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