Preview Tool

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


Description (partial)

- 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.

C6880 VSS running 15.5(1)SY1 or 15.5(1)SY4
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.