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Configuration Guide - Reliability

S1720, S2700, S5700, and S6720 V200R010C00

This document describes the configuration of BFD, DLDP, VRRP, SmartLink, CFM, EFM, Y.1731 and MAC swap loopback to ensure reliability on the device.
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How Is the VRRP Status Negotiated When the Same Priority Is Set for Devices in the VRRP Group?

How Is the VRRP Status Negotiated When the Same Priority Is Set for Devices in the VRRP Group?

When devices in the VRRP group use the same priority:

  • If the VRRP master and slave are determined, the VRRP status is not negotiated again.

  • If two masters exist before devices in the VRRP group exchange heartbeat packets, the VRRP status is negotiated as follows:

    If the source IP address of a received heartbeat packet on the local end is larger than the primary IP address of the interface, the local device switches to the Backup state. Otherwise, the local end discards the heartbeat packet and retains in Master state.

Updated: 2019-08-21

Document ID: EDOC1000141941

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