The LDP-ID

• After a crash, a P router stopped forwarding any traffic...

interface loopback99description test test testip address 222.222.222.222 255.255.255.255

• Like in OSPF, LDP uses highest loopback address as ID

• Unlike in OSPF, LDP-ID has to be reachable

LDP-ID not reachable ? no LDP TCP-session ? no labels!

• So always configure the LDP-ID manually!

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