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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.