On Tue, 17 Apr 2012, Ross Walker wrote: > Let me also add that constant spanning tree convergence can cause this > too. Make sure your choice of protocol and priority suit your topology > and equipment. Gives me an idea! The switch is under control of different people. I did have a new VLAN created for an unrelated purpose two days before this all started. Hmmm... Steve _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos