Multicast VPN Troubleshooting

sh ip rpf
sh ip rpf
sh ip mroute count --> check to see if there are any 0/0/0/0 -->rpf failure
sh ip pim vrf interface --> on tu0 interface you should see neighbors
sh ip pim vrf rp mappings

sh ip pim rp mapping

Also when it doesn't work, shut down all TE tunnels and check, if that works, then turn on the TE tunnels and work out the RPF failures.

Finally sh tech multicast o/p can also be investigated.