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Which statement is correct?

As shown in the exhibit, you have an LSP established from R1 to R4. Your network experiences a link failure between R2 and R3.Which statement is correct?

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A.
A ResvTear message is sent toward the egress router.

B.
A ResvConf message is sent toward the ingress router.

C.
A PathErr message is sent toward the egress router.

D.
A ResvTear message is sent toward the ingress router.

6 Comments on “Which statement is correct?

  1. AD says:

    Here is what will happen guys:

    Transit packets begin to drop at the instant that the link between R2 and R3 fails.
    In response to the link failure, R3 will send a ResvTear message upstream to R2.
    R2 will, in turn, send a ResvTear upstream to R1.

    So D is correct 🙂




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