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NE40E V800R010C00 Configuration Guide - MPLS 01

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Enabling Dynamic BFD Session Creation over an LDP LSP

Enabling Dynamic BFD Session Creation over an LDP LSP

A dynamic BFD session can be created over an LDP LSP after BFD is enabled on both ingress and egress of the LDP LSP.

Procedure

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

      system-view

      The system view is displayed.

    2. Run:

      mpls

      The MPLS view is displayed.

    3. Run:

      mpls bfd enable

      BFD is enabled on the ingress.

      NOTE:

      After this step is complete, a BFD session can be established when the egress is configured and the ingress sends LSP Ping Request packets carrying BFD TLV objects.

    4. 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

      The BFD view is displayed.

    3. Run:

      mpls-passive

      The egress is enabled to create a BFD session passively.

      NOTE:

      After this step is complete, a BFD session will be established dynamically when the egress receives an LSP Ping Request packet carrying a BFD TLV field from the ingress.

    4. Run:

      commit

      The configuration is committed.

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Updated: 2018-07-12

Document ID: EDOC1100028530

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