3Com S7906E Configuration Manual page 2107

# Configure VRRP to work in the load balancing mode.
[SwitchB] vrrp mode load-balance
# Create VRRP group 1 and configure its virtual IP address as 10.1.1.1.
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] ip address 10.1.1.3 24
[SwitchB-Vlan-interface2] vrrp vrid 1 virtual-ip 10.1.1.1
# Set the priority of Switch B in VRRP group 1 to 110.
[SwitchB-Vlan-interface2] vrrp vrid 1 priority 110
# Set Switch B to work in preemptive mode. The preemption delay is five seconds.
[SwitchB-Vlan-interface2] vrrp vrid 1 preempt-mode timer delay 5
3) Configure Switch C
# Configure VLAN 2.
<SwitchC> system-view
[SwitchC] vlan 2
[SwitchC-vlan2] port gigabitethernet 2/0/5
[SwitchC-vlan2] quit
# Configure VRRP to work in the load balancing mode.
[SwitchC] vrrp mode load-balance
# Create VRRP group 1 and configure its virtual IP address as 10.1.1.1.
[SwitchC] interface vlan-interface 2
[SwitchC-Vlan-interface2] ip address 10.1.1.4 24
[SwitchC-Vlan-interface2] vrrp vrid 1 virtual-ip 10.1.1.1
# Set Switch C to work in preemptive mode. The preemption delay is five seconds.
[SwitchC-Vlan-interface2] vrrp vrid 1 preempt-mode timer delay 5
4) Verify the configuration
After the configuration, Host A can ping the external network. You can use the display vrrp verbose
command to verify the configuration.
# Display detailed information of VRRP group 1 on Switch A.
[SwitchA-Vlan-interface2] display vrrp verbose
IPv4 Standby Information:
Run Mode : Load Balance
Run Method : Virtual MAC
Total number of virtual routers : 1
Interface Vlan-interface2
VRID : 1
Admin Status : Up
Config Pri : 120
Preempt Mode : Yes
Auth Type : None
Virtual IP : 10.1.1.1
Master IP : 10.1.1.2
Forwarder Information: 3 Forwarders 1 Active
Config Weight : 255
Adver Timer : 1
State : Master
Running Pri : 120
Delay Time : 5
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