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NE20E-S V800R010C10SPC500 Configuration Guide - MPLS 01

This is NE20E-S V800R010C10SPC500 Configuration Guide - MPLS
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Enabling an MPLS Device to Dynamically Establish a BGP BFD Session

Enabling an MPLS Device to Dynamically Establish a BGP BFD Session

Before a dynamic BGP BFD session is established, the capability to dynamically establish BGP BFD sessions must be enabled on each MPLS device.

Procedure

  • Perform the following steps on the ingress of an E2E BGP tunnel:
    1. Run system-view

      The system view is displayed.

    2. Run bfd

      BFD is enabled globally.

    3. Run quit

      Return to the system view.

    4. Run mpls

      The MPLS view is displayed.

    5. Run mpls bgp bfd enable

      The ability to dynamically establish BGP BFD sessions is enabled on the ingress.

      The mpls bgp bfd enable command does not create a BFD session. A BGP BFD session can only be dynamically established only after a policy for dynamically establish BGP BFD session is configured.

    6. Run commit

      The configuration is committed.

  • Perform the following steps on the egress of an E2E BGP tunnel:
    1. Run system-view

      The system view is displayed.

    2. Run bfd

      BFD is enabled globally, 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: 2019-01-03

Document ID: EDOC1100055103

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