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Cisco Bug: CSCvv81199 - Connectivity issues on random ASIC port group due to unicast flooding.

Last Modified

Sep 28, 2020

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases

15.5(1)S

Description (partial)

Symptom:
- MAC address learning issues.
- Unicast flooding in affected VLAN.
- High delay in unicast conversations (250 - 700 ms).
- All ports in the same ASIC port group are affected.

Conditions:
C6880 VSS running 15.5(1)SY1 or 15.5(1)SY4
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Bug Details Include

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