Cisco Bug: CSCup87407 - Quad Sup720 VSS unicast flooding on orphaned ports
Sep 14, 2019
- Cisco Catalyst 6000 Series Switches
Known Affected Releases
Symptom: Mac addresses off orphaned ports learned on Quad Sup720 VSS are showing unknown unicast flooding in MAC table: F340.06.06-6500-2#sh mac address-table dynamic | i uni 10 0010.0000.000e dynamic Yes 60 flood to vlan10 (unicast) 11 0010.94c0.000a dynamic Yes 0 flood to vlan11 (unicast) Conditions: Upon creation of new Vlan, orphaned ports in that Vlan will show unknown unicast flood. Traffic flows must hash over ICS VSL links.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.
Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases