Troubleshooting vrrp, The screen frequently displays error prompts, Analysis – H3C Technologies H3C S12500 Series Switches User Manual

Page 202: Solution, Frequent vrrp state transition

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Track Object : 1 State : Positive Weight Reduced : 250

The output shows that when Switch A fails, Switch B becomes the master because its priority is

higher than that of Switch C.

Troubleshooting VRRP

The screen frequently displays error prompts

Analysis

This error is probably caused by:

Inconsistent configuration of the devices in the VRRP group.

A device is attempting to send illegitimate VRRP packets.

Solution

In the first case, modify the configuration.

In the latter case, resort to non-technical measures.

Multiple masters are present in the same VRRP group

Analysis

Multiple masters coexist for a short period: This is normal and requires no manual intervention.

Multiple masters coexist for a long period: This is because devices in the VRRP group cannot receive

VRRP packets, or the received VRRP packets are illegal.

Solution

Ping between these masters, and do the following:

If the ping fails, check network connectivity.

If the ping succeeds, check that their configurations are consistent in terms of number of virtual IP
addresses, virtual IP addresses, advertisement interval, and authentication.

Frequent VRRP state transition

Analysis

The VRRP advertisement interval is set too short.

Solution

Increase the interval to sent VRRP advertisement or introduce a preemption delay.

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