3Com S7906E Configuration Manual page 2112

# Enable Switch A to send RA messages.
[SwitchA-Vlan-interface2] undo ipv6 nd ra halt
2) Configure Switch B
# Configure VLAN 2.
<SwitchB> system-view
[SwitchB] ipv6
[SwitchB] vlan 2
[SwitchB-vlan2] port gigabitethernet 2/0/5
[SwitchB-vlan2] quit
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] ipv6 address fe80::2 link-local
[SwitchB-Vlan-interface2] ipv6 address 1::2 64
# Create a VRRP group 1 and set its virtual IPv6 addresses to FE80::10 and 1::10.
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip fe80::10 link-local
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip 1::10
# Configure Switch B to work in the preemptive mode, with the preemption delay set to 5 seconds.
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode timer delay 5
# Enable Switch B to send RA messages.
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode timer delay 5
3) Verify the configuration
After the configuration, Host B can be pinged through on Host A. You can use the display vrrp ipv6
verbose command to verify the configuration.
# Display detailed information of VRRP group 1 on Switch A.
[SwitchA-Vlan-interface2] display vrrp ipv6 verbose
IPv6 Standby Information:
Run Mode : Standard
Run Method : Virtual MAC
Total number of virtual routers : 1
Interface Vlan-interface2
VRID : 1
Admin Status : Up
Config Pri : 110
Preempt Mode : Yes
Auth Type : None
Virtual IP : FE80::10
Virtual MAC : 0000-5e00-0201
Master IP : FE80::1
# Display detailed information of VRRP group 1 on Switch B.
[SwitchB-Vlan-interface2] display vrrp ipv6 verbose
IPv6 Standby Information:
Run Mode : Standard
Run Method : Virtual MAC
Total number of virtual routers : 1
1::10
1-39
Adver Timer : 100
State : Master
Running Pri : 110
Delay Time : 5