Which protocol is used in an MPLS network by PE and P routers to advertise labels?

IT Questions BankCategory: CCNPWhich protocol is used in an MPLS network by PE and P routers to advertise labels?

Which protocol is used in an MPLS network by PE and P routers to advertise labels?

  • LDP
  • CDP
  • LLDP
  • ARP

Explanation: When packets arrive at the MPLS ingress edge, the PE routers use Label Distribution Protocol (LDP) to add a label to the packets and forward them to the intermediate LSR, P routers. The P routers forward the packets through the MPLS network to the egress PE routers.

Exam with this question: Chapter 18: Quiz - VRF, MPLS, and MPLS Layer 3 VPNs CCNPv8 ENARSI

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