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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring a Tunnel Interface on the Ingress

Configuring a Tunnel Interface on the Ingress

A tunnel interface must be created before an MPLS TE tunnel is established on an ingress.


Perform the following steps on the ingress of a static bidirectional co-routed LSP:


  1. Run:


    The system view is displayed.

  2. Run:

    interface tunnel interface-number

    A tunnel interface is created, and the tunnel interface view is displayed.

  3. To configure an IP address for the tunnel interface, run either of the following commands:

    • To assign an IP address to the tunnel interface, run:

      ip address ip-address { mask | mask-length } [ sub ]

      The primary IP address must be configured prior to the secondary IP address for the tunnel interface.

    • To configure the tunnel interface to borrow the IP address of another interface, run:
      ip address unnumbered interface interface-type interface-number

    Although an IP address on a tunnel interface enables an MPLS TE tunnel to forward traffic, the MPLS TE tunnel does not need to be assigned a separate IP address because it is unidirectional. Therefore, a tunnel interface usually borrows a loopback address, which is used as the LSR ID of the ingress.

  4. Run:

    tunnel-protocol mpls te

    MPLS TE is configured as a tunnel protocol.

  5. Run:

    destination ip-address

    The destination address is configured for the tunnel. It is usually the LSR ID of the egress.

    Various types of tunnels have different requirements for destination addresses. If a tunnel protocol is changed to MPLS TE, the destination address configured using the destination command is automatically deleted and needs to be reconfigured.

  6. Run:

    mpls te tunnel-id tunnel-id

    The tunnel ID is configured.

  7. Run:

    mpls te signal-protocol cr-static

    Static CR-LSP signaling is configured.

  8. Run:

    mpls te bidirectional

    The bidirectional LSP attribute is configured.

  9. Run:


    The configuration is committed.

Updated: 2018-07-12

Document ID: EDOC1100028530

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