156
# Assign Switch A the highest priority in VRRP group 1, so Switch A can become the master.
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 priority 120
# Configure Switch A to operate in preemptive mode, so it can become the master whenever it
operates correctly. Set the preemption delay to 500 centiseconds to avoid frequent status
switchover.
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode delay 500
# Enable Switch A to send RA messages, so hosts on subnet 1::/64 can learn the default
gateway address.
[SwitchA-Vlan-interface2] undo ipv6 nd ra halt
[SwitchA-Vlan-interface2] quit
# Create track entry 1 to monitor the upstream link status of VLAN-interface 3. When the
upstream link fails, the track entry transits to Negative.
[SwitchA] track 1 interface vlan-interface 3
# Configure the VFs in VRRP group 1 to monitor track entry 1, and decrease their weights by
250 when the track entry transits to Negative.
[SwitchA] interface vlan-interface 2
[SwitchA-Vlan-interface2] vrrp ipv6 vrid 1 track 1 weight reduced 250
2. Configure Switch B:
# Configure VLAN 2.
<SwitchB> system-view
[SwitchB] vlan 2
[SwitchB-vlan2] port ten-gigabitethernet 1/0/5
[SwitchB-vlan2] quit
# Configure VRRP to operate in load balancing mode.
[SwitchB] vrrp ipv6 mode load-balance
# Create VRRP group 1, and set its virtual IPv6 addresses to FE80::10 and 1::10.
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] ipv6 address fe80::2 link-local
[SwitchB-Vlan-interface2] ipv6 address 1::2 64
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip fe80::10 link-local
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip 1::10
# Assign Switch B a higher priority than Switch C in VRRP group 1, so Switch B can become the
master when Switch A fails.
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 priority 110
# Configure Switch B to operate in preemptive mode, and set the preemption delay to 500
centiseconds.
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode delay 500
# Enable Switch B to send RA messages so hosts on subnet 1::/64 can learn the default
gateway address.
[SwitchB-Vlan-interface2] undo ipv6 nd ra halt
[SwitchB-Vlan-interface2] quit
# Create track entry 1 to monitor the upstream link status of VLAN-interface 3. When the
upstream link fails, the track entry transits to Negative.
[SwitchB] track 1 interface vlan-interface 3
# Configure the VFs in VRRP group 1 to monitor track entry 1, and decrease their weights by
250 when the track entry transits to Negative.
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 track 1 weight reduced 250
3. Configure Switch C:
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