Sorry for the very late reply. I have been trying to figure out various scenarios and Q in Q applicability with regards to CFM.
If CFM is not supported on IEEE 802.1Q tunnel ports, then how does the service provider associate a CFM PDU from different Customers (at customer domain level) with a C-VLAN tag to be forwarded to the other end of the Customer site without tagging it with S-VLAN tag (i.e finding the correct egress port at the provider edge to the particular customer site).
Correct me if I am incorrect or missing something.
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