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Cisco Bug: CSCuq56918 - VSM control vnic sending STP BPDU

Last Modified

Sep 09, 2019

Products (3)

  • Cisco Nexus 1000V Switch for VMware vSphere
  • Cisco Nexus 1000V Switch
  • Cisco Application Virtual Switch

Known Affected Releases

5.2(1)SV3(1.1)

Description (partial)

Symptom:
At bootup the VSM sends out a few BPDUs.  Depending upon the placement of the VSM (VSB vs VM) this may result in the upstream switch places interfaces into ErrDisable BPDUguard.

Conditions:
Happens only after upgrading to SV3(1.1) release.  Will not occur on previous versions.
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