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Cisco Bug: CSCvu44284 - Incorrect dot1q/dot1p priority PCP value set for IPv6 ND packets

Last Modified

Aug 31, 2020

Products (1)

  • Cisco Catalyst Digital Building Series Switches

Known Affected Releases


Description (partial)

Transit IPv6 ND packets received on access switch that needs to be forwarded on uplink trunk, are marked in dot1q ethernet header as Priority: Excellent Effort (0x03), e.g.:

    011. .... .... .... = Priority: Excellent Effort (3)
    ...0 .... .... .... = CFI: Canonical (0)
    Type: IPv6 (0x86dd)

CDB switch with transit IPv6 ND packets
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