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CLI-based Configuration Guide - IP Unicast Routing

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R009

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Configuring Static BFD for IPv4 Static Routes

Configuring Static BFD for IPv4 Static Routes

Static BFD for IPv4 static routes enables a device to rapidly detect changes of a link to a destination address of a stack route, improving network reliability.

Pre-configuration Tasks

Before configuring static BFD for IPv4 static routes, complete the following tasks:

  • Configuring link layer parameters and IP addresses for interfaces to ensure network-layer communication between neighbor nodes

  • Configuring BFD sessions

    For details, see "BFD Configuration" in the Huawei AR Series Access Routers - Configuration Guide - Reliability.

NOTE:
BFD for routing protocols can only be configured on GRE tunnel interfaces.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run ip route-static ip-address { mask | mask-length } { nexthop-address | interface-type interface-number [ nexthop-address ] } [ preference preference | tag tag ] * track bfd-session cfg-name [ description text ]

    A public network static IPv4 route is bound to a BFD session.

    NOTE:

    Before binding a static route to a BFD session, ensure that the BFD session and the static route reside on the same link.

Verifying the Configuration

Run the following commands to check the previous configuration.

  • Run the display bfd session { all | discriminator discr-value } [ verbose ] command to check information about the BFD session.

  • Run the display current-configuration | include bfd command to check the configuration of BFD for static routes.

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Updated: 2019-05-17

Document ID: EDOC1000174069

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