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

Last Modified

Feb 14, 2018

Products (6)

  • Cisco Nexus 7000 Series Switches
  • 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

6.1(2)

Description (partial)

Symptom:
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.

Conditions:
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

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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