Troubleshooting vrrp, Symptom, Analysis – H3C Technologies H3C MSR 50 User Manual
Page 122: Solution, The screen frequently displays error prompts, Multiple masters appear in a vrrp group
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Forwarder 02
State : Active
Virtual MAC : 000f-e2ff-4012 (Owner)
Owner ID : 0000-5e01-1103
Priority : 255
Active : local
Forwarder 03
State : Listening
Virtual MAC : 000f-e2ff-4013 (Learnt)
Owner ID : 0000-5e01-1105
Priority : 127
Active : FE80::3
Forwarder Weight Track Information:
Track Object : 1 State : Positive Weight Reduced : 250
The output shows that when Router A fails, Router B becomes the master because its priority is
higher than that of Router C.
Troubleshooting VRRP
The screen frequently displays error prompts
Symptom
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 appear in a VRRP group
Symptom
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: