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CLI-based Configuration Guide - IP Unicast Routing

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document describes the concepts and configuration procedures of IP Service features on the device, and provides the configuration examples.
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Binding IP FRR and BFD

Binding IP FRR and BFD

Context

During the configuration of OSPF IP FRR, the lower layer needs to fast respond to the link change so that traffic can be rapidly switched to the backup link in the case of a link failure. Bind BFD to the link status so that link faults can be detected rapidly. This ensures that traffic is rapidly switched to the backup link in the case of link failures.

Binding OSPF IP FRR and BFD can configure in a specified process or on a specified interface. The priority of BFD configured on an interface is higher than that of BFD configured in an OSPF process. If BFD is enabled on an interface, a BFD session is established according to the BFD parameters set on the interface.

Procedure

  • Bind IP FRR and BFD in an OSPF process.
    1. Run system-view

      The system view is displayed.

    2. Run ospf [ process-id | router-id router-id | vpn-instance vpn-instance-name ] *

      The OSPF process is enabled, and the OSPF view is displayed.

    3. Run bfd all-interfaces frr-binding

      IP FRR and BFD are bound in the OSPF process.

  • Bind IP FRR and BFD on a specified OSPF interface.
    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The interface view is displayed.

    3. Run ospf bfd frr-binding

      IP FRR and BFD are bound on the interface.

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Updated: 2019-05-20

Document ID: EDOC1100034072

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