> 2. You may need to set the q-in-q outer tag on the 3524 with the > following commands on the Fa0/1 port: > > switchport mode dot1q-tunnel > switchport access vlan 200 I don't believe the old 3500XL series (including the 3524) support QinQ. It may *work* :-) Steinar Haug, Nethelp consulting, sthaug at nethelp.no