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Question 568 - 300-410 discussion

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What is the role of LDP in MPLS networks?

A.

It enables label binding that exchanges route descriptors

Answers
A.

It enables label binding that exchanges route descriptors

B.

It creates MPLS packet forwarding along with the IGP routes.

Answers
B.

It creates MPLS packet forwarding along with the IGP routes.

C.

It disables label binding information to exchange with peer LSRs.

Answers
C.

It disables label binding information to exchange with peer LSRs.

D.

It enables label binding information to exchange with peer LSRs

Answers
D.

It enables label binding information to exchange with peer LSRs

Suggested answer: D

Explanation:

The Label Distribution Protocol (LDP) plays a crucial role in MPLS (Multiprotocol Label Switching) networks.It enables label switch routers (LSRs) to exchange label binding information, which is essential for supporting hop-by-hop forwarding in an MPLS network1.

LDP establishes LSPs (Label Switched Paths) that follow the existing IP routing table2.This process is particularly well-suited for establishing a full mesh of LSPs between all of the routers on the network2.

When a packet arrives at a router in an MPLS network, the router looks at the incoming label, looks up the label in a table, and then forwards the packet to the next hop1.This method of label distribution is also called hop-by-hop forwarding1.

MPLS LDP (Label Distribution Protocol) - NetworkLessons.com

MPLS Label Distribution Protocol (LDP) - Cisco

What is Label Distribution Protocol (LDP)? - Metaswitch

Label Distribution Protocol - Wikipedia

What is MPLS LDP in networking? -- CCNA-Classes

asked 07/10/2024
Alajauan Adams
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