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Configuration Guide - Reliability

CloudEngine 12800 and 12800E V200R002C50

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, EFM Configuration, and CFM Configuration.
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Configuring the Delay Before a BFD Session Goes Up

Configuring the Delay Before a BFD Session Goes Up


In practice, some devices determine whether to switch traffic based only on the BFD session status. Because an interface goes Up before its routing protocol goes Up, routes may be not found when services are switched back. This results in traffic loss. Therefore, the interval between the time when the interface goes Up and the time when the routing protocol goes 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 goes Up is set.

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

  4. Run commit

    The configuration is committed.

Updated: 2019-03-21

Document ID: EDOC1000166606

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