H3C Technologies H3C S12500 Series Switches User Manual
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[SwitchB-vlan2] quit
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] ip address 202.38.160.2 255.255.255.0
# Create VRRP group 1 and set its virtual IP address to 202.38.160.111.
[SwitchB-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.111
# Set Switch B to operate in preemptive mode. The preemption delay is 5 seconds.
[SwitchB-Vlan-interface2] vrrp vrid 1 preempt-mode timer delay 5
3.
Verify the configuration:
After the configuration, Host B can be pinged successfully on Host A. To verify your configuration,
use the display vrrp verbose command.
# Display the detailed information of VRRP group 1 on Switch A.
[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 : 1
Admin Status : Up State : Master
Config Pri : 110 Running Pri : 110
Preempt Mode : Yes Delay Time : 5
Auth Type : None
Virtual IP : 202.38.160.111
Virtual MAC : 0000-5e00-0101
Master IP : 202.38.160.1
# Display the detailed information of VRRP group 1 on Switch B.
[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 : 1
Admin Status : Up State : Backup
Config Pri : 100 Running Pri : 100
Preempt Mode : Yes Delay Time : 5
Become Master : 4200ms left
Auth Type : None
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.
When Switch A fails, you can still ping through Host B on Host A. Use the display vrrp verbose
command to view the detailed information of the VRRP group on Switch B.
# When Switch A fails, the detailed information of VRRP group 1 on Switch B is displayed.
[SwitchB-Vlan-interface2] display vrrp verbose
IPv4 Standby Information: