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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring Manual FRR for a Manually Configured P2MP TE Tunnel

Configuring Manual FRR for a Manually Configured P2MP TE Tunnel

Manual FRR can be configured on the tunnel interface of a manually configured P2MP TE tunnel.

Context

The process of configuring P2MP TE FRR is identical to that for configuring P2P TE FRR, which includes the following two procedures:
NOTE:

Manual P2MP TE FRR only applies to manual P2MP TE tunnels.

Procedure

  • Enable the P2MP TE FRR function on the tunnel interface of the primary tunnel (P2MP TE tunnel).
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      interface tunnel interface-number

      The MPLS TE tunnel interface view is displayed.

    3. Run:

      mpls te fast-reroute [ bandwidth ]

      The P2MP TE FRR function is enabled.

      NOTE:

      You can run the mpls te bypass-attributes command to configure bypass tunnel attributes only after running the mpls te fast-reroute bandwidth command.

    4. (Optional) Run:

      mpls te bypass-attributes

      Bypass tunnel attributes are configured.

    5. Run:

      commit

      The configuration is committed.

  • Configure a bypass tunnel on the PLR node and bind the bypass tunnel to the primary tunnel.
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      interface tunnel tunnel-number

      The tunnel interface view of a bypass tunnel is displayed.

    3. Run:

      tunnel-protocol mpls te

      MPLS TE is configured as a tunnel protocol.

    4. Run:

      destination ip-address

      The LSR ID of a merge point (MP) is specified as the destination address of the bypass tunnel.

    5. Run:

      mpls te tunnel-id tunnel-id

      The bypass tunnel ID is specified.

    6. (Optional) Run:

      mpls te path explicit-path path-name

      An explicit path is specified for the bypass tunnel.

      NOTE:

      The explicit path planned for the bypass tunnel and the primary tunnel path to be protected must use different physical links.

    7. (Optional) Run:

      mpls te bandwidth ct0 bandwidth

      The bypass tunnel bandwidth is configured.

    8. Run:

      mpls te bypass-tunnel

      A bypass tunnel is configured.

    9. Run:

      mpls te protected-interface interface-type interface-number

      A link interface to be protected by a bypass tunnel is specified.

    10. Run:

      commit

      The configuration is committed.

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Updated: 2018-07-12

Document ID: EDOC1100028530

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