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NE40E V800R010C00 Configuration Guide - MPLS 01

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Configuring FRR for Automatic P2MP TE Tunnels

Configuring FRR for Automatic P2MP TE Tunnels

Auto P2MP TE FRR is configured in a P2MP TE template for automatic P2MP TE tunnels.

Context

The process of configuring FRR for automatic P2MP TE tunnels is as follows:

Procedure

  • Configure the ingress.
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      mpls te p2mp-template template-name

      A P2MP tunnel template is created, and the P2MP tunnel template view is displayed.

    3. Run:

      fast-reroute [ bandwidth ]

      P2MP TE FRR is enabled.

      The bandwidth parameter enables bandwidth protection for the primary tunnel. A bypass tunnel is selected to provide bandwidth for the primary tunnel.

    4. (Optional) Run:

      bypass-attributes { bandwidth bandwidth | priority setup-priority [ hold-priority ] } *

      Attributes for the FRR bypass tunnel are set.

      The bandwidth parameter sets the bandwidth for the bypass tunnel. The priority parameter sets the holding and setup priority values for the bypass tunnel.

    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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