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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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How Do I Quickly Implement VRRP Switchover?

How Do I Quickly Implement VRRP Switchover?

To quickly implement VRRP switchover, associate VRRP with NQA. You are not advised to run the vrrp vrid timer advertise command to decrease the interval at which the master sends VRRP Advertisement packets.

If the master sends VRRP Advertisement packets at a large interval, backups in the same VRRP group cannot detect the fault on the master in a timely manner, causing packet loss. If the master sends VRRP Advertisement packets at a short interval, more system resources are occupied. In addition, when network traffic is heavy or the network is unstable, backups may fail to receive packets after the Master_Down_Interval timer expires. As a result, a VRRP switchover is triggered incorrectly.

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Updated: 2019-08-12

Document ID: EDOC1100034076

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