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Cisco Bug: CSCuj93777 - Mesh AP should block data packets before BPDU packets are handled

Last Modified

Nov 19, 2018

Products (1)

  • Cisco Aironet 3700 Series Access Points

Known Affected Releases

7.4(110.0) 7.5(102.0) 8.0(120.0)

Description (partial)

Symptom:In very rare situation, there is a racing condition that data packets are sent before switch port receiving BPDU packets from wireless side, cause mac address flapping.

Conditions:STP to break network loop
mesh AP reboot/moving between RAPs
intensive packets flooding in network to cause packets are sent before BPDUs are propagated.
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