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VRRP runs abnormally because NE40 configures the same VRID in the two VRRP groups

Publication Date:  2012-07-27  |   Views:  175  |   Downloads:  0  |   Author:  Li Yufeng  |   Document ID:  EKB0000115771

Contents
Issue Description Alarm Information Handling Process Root Cause

Issue Description

VRRP backup group runs abnormally, the service always intermits.

Alarm Information

In logs, the following information is always printed
System detected a vrrp config error of  VIRTUAL IP ADDRESS ERROR

Handling Process

The problem is solved after modifying the group number of one virtual backup group, the configuration is
interface Ethernet3/0/0
ip address x.x.x.131 255.255.255.240
vrrp vrid 1 virtual-ip x.x.x.129
#
interface Ethernet3/0/2
ip address x.x.x.124 255.255.255.128
vrrp vrid 2 virtual-ip x.x.x.126
VRRP runs normally after modifying the configuration.

Root Cause

The configuration is：
interface Ethernet3/0/0
ip address x.x.x.131 255.255.255.240
vrrp vrid 1 virtual-ip x.x.x.129
#
interface Ethernet3/0/2
ip address x.x.x.124 255.255.255.128
vrrp vrid 1 virtual-ip x.x.x.126
check the logs：the following information appears frequently
%Aug  5 02:19:28 2004 NE40-UP VRRP/5/ConfigError:
System detected a vrrp config error of  VIRTUAL IP ADDRESS ERROR
the system prompts to detect the virtual ip configuration error
because the two interfaces enable the virtual backup group 1，the configuration results in the backup group conflict, while the VRRP virtual backup group of NE40/80 is valid, so we cannot use the same virtual backup group number at the various interfaces.
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