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NE40E V800R010C00 Configuration Guide - MPLS 01

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(Optional) Configuring an LDP Transport Address

(Optional) Configuring an LDP Transport Address

Before establishing an LDP session, two LSRs confirm each other's LDP transport address and set up a TCP connection.


An LDP transport address is used to set up a TCP connection between peers. A route to the LDP transport address must be reachable on each peer. An LSR ID, which is the loopback interface address, serves as the LDP transport address.
  • The LDP sessions over multiple links between two LSRs can be established using the same pair of transport addresses.

  • A change in an LDP transport address will terminate the associated LDP session. Exercise caution when configuring an LDP transport address.

The default LDP transport address is recommended.


  1. Run:


    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The view of the interface on which an LDP session is to be established is displayed.

  3. Run:

    mpls ldp transport-address { interface-type interface-number | interface }

    The IP address of a specified interface is configured as an LDP transport address.

    • interface-type interface-number: LDP uses the IP address of this specified interface as the transport address.

    • interface: LDP uses the IP address of an existing interface as the transport address.

  4. Run:


    The configurations are committed.

Updated: 2018-07-12

Document ID: EDOC1100028530

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