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NE40E V800R010C00 Configuration Guide - MPLS 01

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
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.

Context

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

Procedure

  1. Run:

    system-view

    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:

    commit

    The configuration is committed.

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Updated: 2018-07-12

Document ID: EDOC1100028530

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