Hi,
Thanks for the answer - looks like we did strike this problem as well as another one which we discovered last night.
If a VLAN is in a status of suspended the same authentication failure trap will be sent by the switch, and the SNMP query will time out.
SW are going to do a fix for this but in the meantime we'll be hopefully removing the suspended VLAN from our VTP domain.
Thanks,
Damian
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