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Cisco Bug: CSCuo02560 - N3172 failed to remove L2 multicast mac quickly from HW MAC table

Last Modified

Feb 06, 2017

Products (6)

  • Cisco Nexus 3000 Series Switches
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 3016 Switch
  • Cisco Nexus 3064-T Switch
  • Cisco Nexus 3048 Switch
  • Cisco Nexus 3132Q Switch

Known Affected Releases

6.0(2)U2(1) 6.0(2)U2(2) 6.0(2)U3(0.683)

Description (partial)

With IGMP fast leave, N3172 failed to remove L2 multicast mac from HW MAC.
SW MAC table always shows only two multicast MAC addresses but HW MAC tables shows 3 entries when host left two multicast groups and joined another two multicast groups.

IGMP fast leave configured under vlan
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