Cat 3550-12G and 2950-24G Spanning Tree Root Problem

Unanswered Question

Have a stack of 2950s with a 3550-12G running current IOSs 12.1(9)EA1d and 12.1.(9)EA1c. The 3550 thinks it's the root bridge and all the 2950s think one of the 2950s is the root. I can connect and ping all the mgmt interfaces for all switches, but not any other device on any port. Any suggestions?


Update.. The 2950s do not hear the BPDUs from the 3550.


Thanks

Ted

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tstevens Thu, 08/01/2002 - 09:42
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Possible VLAN mismatch? Unidirectional link? Not enough info here to make more than a wild guess.

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