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Cisco Bug: CSCuq40931 - Some vlans spanning tree status is stuck in "Topology change set"

Last Modified

Nov 27, 2020

Products (6)

  • CiscoPro Workgroup EtherSwitch Software
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 9508 Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases


Description (partial)

In a network with large number of vlans, and multiple vdcs, after ISSU to 6.1(2) some vlans may stuck in "topology change set" status and keep sending BPDU with TC set.

the number of logic ports is over 10K.
Issue has been seen on 6.1(2) and 6.1(4).
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Bug Details Include

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