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Cisco Bug: CSCuq63660 - Selected vlans on the trunk are put into "BLK" P2p Dispute state

Last Modified

Mar 13, 2020

Products (1)

  • Cisco Catalyst 3750 Series Switches

Known Affected Releases


Description (partial)

- 6500/sup2t moves some of configured vlans on the trunk port into "BLK" P2p Dispute state just after bringing the interface up. 
- Vlan numbers which are blocked are not always the same
- Issue is seen each time the trunk is built and activated

- 6500/sup2t running 151-2.SY2 or 151-2.SY3
- trunk configured to another device
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  • Status
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