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Juniper JN0-363 Exam - Topic 10 Question 64 Discussion
Topic #: 10
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Which two statements are correct about the service provider MPLS network shown in the exhibit? (Choose two.)
In MPLS, multiple paths can be merged if they share the same egress router. In the given scenario, traffic from Network 1 to Network 3 and Network 4 can be engineered to follow the same label-switched path (LSP) within the MPLS network until they reach the last common point before diverging to their respective destinations.
As for R3 performing label operations, in a typical MPLS network, intermediate routers (like R3) perform label swapping. They replace the incoming label with a new label before forwarding the packet along the LSP. A label pop operation is typically performed by the egress router in the case of an ultimate hop pop (UHP), where it removes the MPLS label before delivering the packet to the final destination outside the MPLS domain.
Juniper Networks Technical Documentation on MPLS
Understanding MPLS Label Operations (Swap, Push, and Pop) - Juniper Networks
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