DLSW over ISL trunk

From: jgraun@xxxxxxxxx
Date: Sun Apr 28 2002 - 14:13:35 GMT-3


   
I have seen a problem with running dlsw over trunk
links. I have a router that is doing ISL trunk to a cat
5505 on vlan A. On the other side of the cat I have an
other router that is running dlsw that is also in vlan
A. Whenever I put the bridge-group on the sub-interface
of the ISL router and on the ethernet interface of the
other router my trunk goes into a non-trunk state and
then the OSPF neighbors go away, then the trunk link
comes back up and the process repeats. I have tried
using vlan-bridge as the STP protocol instead of IEEE.
Any ideas would be great.

thanks

Jason



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