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CLI-based Configuration Guide - Reliability

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

This document provides guidance for configuring reliability services, including interface backup, BFD, VRRP, and EFM.

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Setting the Delay Before a BFD Session Becomes Up

Setting the Delay Before a BFD Session Becomes Up


In practice, some devices determine whether to switch traffic based on the BFD session status. Because the routing protocol becomes Up after the interface becomes Up, routes may be not found when services are switched back, causing traffic loss. Therefore, the interval between the time when the routing protocol becomes Up and the time when the interface becomes Up must be eliminated.


  1. Run system-view

    The system view is displayed.

  2. Run bfd

    Global BFD is enabled and the BFD view is displayed.

  3. Run delay-up time

    A delay before a BFD session is set.

    By default, the delay before a BFD session becomes Up is 0.

Updated: 2019-08-12

Document ID: EDOC1100034076

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