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NE40E V800R010C00 Configuration Guide - MPLS 01

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Enabling P2MP TE Auto FRR

Enabling P2MP TE Auto FRR

Enabling P2MP TE Auto FRR on the ingress or a transit node of the primary tunnel is the prerequisite of configuring TE Auto FRR.

Context

Perform either of the following operations to enable P2MP TE Auto FRR on the NE40E:
  • Configure the entire device and its interface when Auto FRR needs to be configured on most interfaces.
  • Only configure a specified interface when Auto FRR needs to be configured only on a few interfaces.

Procedure

  • Configure the entire device and its interface.
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      mpls

      The MPLS view is displayed.

    3. Run:

      mpls te auto-frr self-adapting

      MPLS TE Auto FRR is enabled globally.

      P2MP TE FRR only supports link protection, while a bypass tunnel that the ingress establishes supports node protection by default. As a result, the bypass tunnel fails to be established. To prevent the establishment failure, configure the self-adapting parameter in the mpls te auto-frr command, which enables the ingress to automatically switch from node protection to link protection.

    4. Run:

      mpls te p2mp-te auto-frr enable

      P2MP TE Auto FRR is enabled globally.

    5. Run:

      quit

      The system view is displayed.

    6. Run:

      interface interface-type interface-number

      The view of the outbound interface on the primary tunnel is displayed.

    7. (Optional) Run:

      mpls te auto-frr { block | default }

      TE Auto FRR is enabled.

      After Auto FRR is enabled globally, the mpls te auto-frr default command is by default run on all MPLS TE interfaces on the device. To disable Auto FRR on a specified interface, run the mpls te auto-frr block command on that interface. After the mpls te auto-frr block command is run, Auto FRR is disabled on the specified interface, regardless of whether Auto FRR is enabled or reenabled globally.

      NOTE:
      • If the mpls te auto-frr default command is run, the interface Auto FRR capability status is the same as the global Auto FRR capability status.

    8. Run:

      commit

      The configuration is committed.

  • Configure a specified interface.
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      mpls

      The MPLS view is displayed.

    3. Run:

      mpls te p2mp-te auto-frr enable

      P2MP TE Auto FRR is enabled globally.

    4. Run:

      quit

      The system view is displayed.

    5. Run:

      interface interface-type interface-number

      The view of the outbound interface on the primary tunnel is displayed.

    6. Run:

      mpls te auto-frr { default | link | self-adapting }

      P2MP TE Auto FRR is enabled.

    7. Run:

      commit

      The configuration is committed.

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Updated: 2018-07-12

Document ID: EDOC1100028530

Views: 101543

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