On the first topology

Then IGP using ospf, have each

MPLS configuration, each interface has



The last view did not establish

Neighbours up

What reason is this???????

CodePudding user response:

See the last picture of the transmission address, the corresponding IP address must have a route in the routing table, it is able to establish peer,
In addition the last picture shows how AR1 LDP neighbor has his own, check the configuration, the configuration should be problematic,