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NE40E V800R010C00 Configuration Guide - MPLS 01

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Enabling an MPLS Device to Dynamically Establish a BFD Session

Enabling an MPLS Device to Dynamically Establish a BFD Session

A dynamic BFD session that monitors both the primary and FRR LSPs can be established only after an MPLS device is enabled to dynamically establish the BFD session.

Procedure

  • Perform the following steps on the ingress:
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      bfd

      BFD is globally enabled.

    3. Run:

      quit

      The system view is displayed.

    4. Run:

      mpls

      The MPLS view is displayed.

    5. Run:

      mpls bfd enable

      The capability of dynamically establishing a BFD session is configured on the ingress.

      The mpls bfd enable command does not create a BFD session.

    6. Run:

      commit

      The configuration is committed.

  • Perform the following steps on the egress:
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      bfd

      BFD is globally enabled, and the BFD view is displayed.

    3. Run:

      mpls-passive

      The capability of passively creating a BFD session is configured on the egress.

      The mpls-passive command does not create a BFD session. The egress has to receive an LSP ping request carrying a BFD TLV before creating a BFD session with the ingress.

    4. Run:

      commit

      The configuration is committed.

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Updated: 2018-07-12

Document ID: EDOC1100028530

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