What is the role of LDP in MPLS networks?
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
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