Using facility mode fast reroute, how does the PLR learn the address of the MP?
The PLR issues an RSVP PATH message to the tail-end requesting the address of the MP.
The PLR learns the address of the MP from the ERO.
The PLR learns the address of the MP from the RRO.
The PLR learns the address of the MP from the targeted RSVP Hello message.
The PLR knows the address of the MP is the same as the tail-end router.
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