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Cisco Bug: CSCua93951 - FWM core on ISSU from 228 if a FEX pvlan isolated trunk port exist

Last Modified

Mar 16, 2016

Products (6)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5020 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5010 Switch

Known Affected Releases


Description (partial)

FWM crash may be seen in rare circumstances after doing an ISSU in a VPC setup.

The FEX has atleast one  PVLAN Isolated trunk port AND that port is not part of the Output Interface Flood List of either Primary or Secondary VLAN.
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