H3C Technologies H3C S12500 Series Switches - Manual (Page 169)

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Virtual IP : 202.38.160.111
Master IP : 202.38.160.1
The output shows that in VRRP group 1 Switch A is the master, Switch B is the backup and packets
sent from Host A to Host B are forwarded by Switch A.
If interface VLAN-interface 3 through which Switch A connects to the Internet is not available, you
can still ping Host B successfully on Host A. To view the detailed information of the VRRP group,
use the display vrrp verbose command.
# If VLAN-interface 3 on Switch A is not available, the detailed information of VRRP group 1 on
Switch A is displayed.
[SwitchA-Vlan-interface2] display vrrp verbose
IPv4 Standby Information:
Run Mode : Standard
Run Method : Virtual MAC
Total number of virtual routers : 1
Interface Vlan-interface2
VRID : 1 Adver Timer : 4
Admin Status : Up State : Backup
Config Pri : 110 Running Pri : 80
Preempt Mode : Yes Delay Time : 5
Become Master : 2200ms left
Auth Type : Simple Key : ******
Virtual IP : 202.38.160.111
Master IP : 202.38.160.2
VRRP Track Information:
Track Interface: Vlan3 State : Down Pri Reduced : 30
# When VLAN-interface 3 on Switch A is not available, the detailed information of VRRP group 1
on Switch B is displayed.
[SwitchB-Vlan-interface2] display vrrp verbose
IPv4 Standby Information:
Run Mode : Standard
Run Method : Virtual MAC
Total number of virtual routers : 1
Interface Vlan-interface2
VRID : 1 Adver Timer : 4
Admin Status : Up State : Master
Config Pri : 100 Running Pri : 100
Preempt Mode : Yes Delay Time : 5
Auth Type : Simple Key : ******
Virtual IP : 202.38.160.111
Virtual MAC : 0000-5e00-0101
Master IP : 202.38.160.2
The output shows that when VLAN-interface 3 on Switch A is not available, the priority of Switch
A is reduced to 80 and it becomes the backup. Switch B becomes the master and packets sent from
Host A to Host B are forwarded by Switch B.