300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

By Cisco · Question Mode

QuestionQ381

Layer 3 Technologies

What is LDP used for on an LSR?

  • A to allow for a system-wide exchange of labels across MPLS network
  • B to create a label across the PE routers for end-to-end path assignment
  • C to communicate the routes known for a specific interface
  • D to create a database of label bindings that allow for hop-by-hop forwarding
Explanation

Label Distribution Protocol (LDP) distributes label bindings between peer label switch routers (LSRs). The received bindings are used for label-based, hop-by-hop MPLS forwarding.

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