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Author(s) Olivier Bonaventure
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LSPs created by LDP

In a network that contains both MPLS LSRs and traditionnal routers, the LSRs use LDP to create LSPs.

https://inginious.info.ucl.ac.be/course/lingi2142-QCM/mpls-ldp-1/mpls-net-ldp.png

Consider the FEC that corresponds to prefix p. What are the paths of the LSPs that the different LSRs will create ?

Question 1: LSPs from R1

What are the path(s) of the LSP(s) used by router R1 to reach prefix p ?

Question 2: LSPs from R6

What are the path(s) of the LSP(s) used by router R6 to reach prefix p ?