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Cisco Bug: CSCut31551 - Customer would like to suppress extra BPDU on STP boundary port for MST

Last Modified

May 05, 2016

Products (1)

  • Cisco Catalyst 3560-C Series Switches

Known Affected Releases

12.2(55)EX3

Description (partial)

Symptom:
Two BPDU packets are generated on MST to STP boundary ports

Conditions:
When MST connects to a STP 802.1d device the simulation will generate a second BPDU to the PVST destination MAC address.  This only occurs on trunks
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