Troubleshooting VRRP 1105
Preempt Mode : YES Delay Time : 0
Auth Type : NONE
Virtual IP : FE80::10
Master IP : FE80::1
Interface : Vlan-interface2
VRID : 2 Adver. Timer : 100
Admin Status : UP State : Master
Config Pri : 110 Run Pri : 110
Preempt Mode : YES Delay Time : 0
Auth Type : NONE
Virtual IP : FE80::20
Virtual MAC : 0000-5e00-0202
Master IP : FE80::2 
The above information indicates that in standby group 1 Switch A is the master, 
Switch B is the backup and the host with the default gateway of FE80::10 accesses 
the Internet through Switch A; in standby group 2 Switch A is the backup, Switch 
B is the master and the host with the default gateway of FE80::20 accesses the 
Internet through Switch B.
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Multiple standby groups are commonly used in actual networking. In IPv6 
network, you need to manually configure the default gateway for VRRP standby 
group to share load.
Troubleshooting VRRP Symptom 1:
The console screen displays error prompts frequently.
Analysis:
This error is probably due to the inconsistent configuration of the other switch in 
the standby group, or that a device is attempting to send illegitimate VRRP 
packets.
Solution:
■ In the first case, modify the configuration.
■ In the latter case, you have to resort to non-technical measures.
Symptom 2:
Multiple masters are present in the same standby group.
Analysis:
■ If presence of multiple masters only lasts a short period, this is normal and 
requires no manual intervention.
■ If it lasts long, you must ensure that these masters can receive VRRP packets 
and the packets received are legitimate.
Solution:
Ping between these masters, and do the following: