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Cisco Bug: CSCvr92660 - STP BPDUs not being sent from FED to IOSd

Last Modified

Jul 21, 2020

Products (1)

  • Cisco Catalyst 9400 Series Switches

Known Affected Releases

16.9.2 Gibraltar-16.11.1

Description (partial)

9400 ignores the received BPDUs on its root port and starts sending invalid BPDUs claiming it is the root bridge for the STP domain.

It is still under investigation to determine the specific conditions needed to trigger this bug.
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