I have a setup like this CE1->PE1->P1->P2->PE2->CE2. The CE and PE have ATM cards on them and the P routers are interconnected on POS with MPLS enabled on all of them. I am trying to run AToM on the PE. I see that the end to end PVC comes up and icmp works fine, but doesnt seem to pass any traffic.
A PVC if terminated on the PE1 locally from CE1 seems to work but not across the MPLS PE and P.
What could be the problem ?