Protocols and standards, Configuring bfd basic functions, Configuring echo packet mode – H3C Technologies H3C S12500-X Series Switches User Manual
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[SwitchA-Vlan-interface3] display vrrp verbose
IPv4 Virtual Router Information:
Running Mode : Standard
Total number of virtual routers : 1
Interface Vlan-interface2
VRID : 1 Adver Timer : 100
Admin Status : Up State : Backup
Config Pri : 110 Running Pri : 80
Preempt Mode : Yes Delay Time : 0
Become Master : 2200ms left
Auth Type : None
Virtual IP : 10.1.1.10
Master IP : 10.1.1.2
VRRP Track Information:
Track Object : 1 State : Negative Pri Reduced : 30
# After shutting down the uplink interface on Switch A, display detailed information about VRRP group
1 on Switch B.
[SwitchB-Vlan-interface2] display vrrp verbose
IPv4 Virtual Router Information:
Running Mode : Standard
Total number of virtual routers : 1
Interface Vlan-interface2
VRID : 1 Adver Timer : 100
Admin Status : Up State : Master
Config Pri : 100 Running Pri : 100
Preempt Mode : Yes Delay Time : 0
Auth Type : None
Virtual IP : 10.1.1.10
Virtual MAC : 0000-5e00-0101
Master IP : 10.1.1.2
The output shows that when the uplink interface on Switch A is shut down, the priority of Switch A
decreases to 80. Switch A becomes the backup, and Switch B becomes the master. Packets from Host A
to Host B are forwarded through Switch B.