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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring the LDP Remote Peer

Configuring the LDP Remote Peer

Before you configure a remote LDP session, specify the name and IP address of the remote peer.

Context

A remote LDP session can be established between nonadjacent LSRs or between adjacent LSRs.

A local LDP session and a remote LDP session can be configured together between the same two LSRs.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    mpls ldp remote-peer remote-peer-name

    A remote MPLS LDP peer is created, and the remote MPLS LDP peer view is displayed.

  3. Run:

    remote-ip ip-address

    The IP address is assigned to the remote MPLS LDP peer.

    The remote MPLS LDP peer must use the LSR ID as the IP address.

    NOTE:
    • The IP address of a remote LDP peer must be the LSR ID of the remote LDP peer. If an LDP LSR ID is different from an MPLS LSR ID, the LDP LSR ID is used.

    • Modifying or deleting a configured IP address of a remote peer also deletes the remote LDP session.

  4. (Optional) Select either of the following modes to prevent labels from being distributed to a remote MPLS LDP peer:

    • Run:

      remote-ip ip-address pwe3

      The local LSR is prevented from distributing labels to a specified remote MPLS LDP peer.

    • Run the following commands to prevent labels from being distributed to all remote MPLS LDP peers.
      • Run:

        quit

        Return to the system view.

      • Run:

        mpls ldp

        The MPLS-LDP view is displayed.

      • Run:

        remote-peer pwe3

      The local LSR is disabled from distributing labels to all remote MPLS LDP peers.

    NOTE:

    When, run the preceding commands to prohibit labels from being distributed to the remote MPLS LDP peers, which helps efficiently use system resources. When TE services are transmitted over a backbone network in the LDP over TE scenario, do not perform this configuration.

  5. Run:

    commit

    The configurations are committed.

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Updated: 2018-07-12

Document ID: EDOC1100028530

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