I have the following situation with dot1q tagged traffic accross an MPLS network:
Customer trunk with different vlans(CE)----->dot1q-tunnelport with access vlan 83(PE)--->trunk with vlan 83 and some other(on same PE)---->Trunk interface with vlan 83 and some other(on MPLS router)---->SVI VLAN 83 with no ip address and xconnect to other side of the pseudowire.
Is it possible to get the customers vlan's to the other side? It does not work ( I use a ME 6524 as MPLS router) but maybe that is due to the use of dot1q-tunnel and after that a trunk to transport it further. The trunk puts an extra VLAN on the frames but that should work I think. Every mtu size on every router in the path has been increased, also the MPLS mtu size. The VC's are up, that is no problem.
When I change the trunk on the PE to a dot1q tunnel port with access vlan 83 and the interface on the MPLS router to a Portbase pseudowire it works fine.
well if you want to use q-in-q etc to isolate customer vlans etc then the port on the PE has to be a dotq-tunnel port.
A dot1tunnel port is always an access port and not a trunk port.
In regards to the PW , the VC types should match at both ends. If you are using vlan based(vc type 4) on one end and vc type 5(port based) on other end. the PW doesnt come up and hence you use something called "interworking" to match them up.
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