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Although R2 and R3 have the same default, priority (100), R2 is elected master in the VRRPv3 group
because the TenGigE 0/0 interface has a higher IPv6 address than the TenGigE 1/0 interface on R3.
Router 2
R2(conf)#interface tengigabitethernet 0/0
R2(conf-if-te-0/0)#no ip address
R2(conf-if-te-0/0)#ipv6 address 1::1/64
R2(conf-if-te-0/0)#vrrp-group 10
R2(conf-if-te-0/0-vrid-10)#virtual-address fe80::10
R2(conf-if-te-0/0-vrid-10)#virtual-address 1::10
R2(conf-if-te-0/0-vrid-10)#no shutdown
R2(conf-if-te-0/0)#show config
interface TenGigabitEthernet 0/0
ipv6 address 1::1/64
vrrp-group 10
priority 100
virtual-address fe80::10
virtual-address 1::10
no shutdown
R2(conf-if-te-0/0)#end
R2#show vrrp
------------------
TenGigabitEthernet 0/0, IPv6 VRID: 10, Version: 3, Net:fe80::201:e8ff:fe6a:c59f
VRF: 0 default-vrf
State:
Master, Priority: 100, Master: fe80::201:e8ff:fe6a:c59f (local)
Hold Down: 0 centisec, Preempt: TRUE, AdvInt: 100 centisec
Accept Mode: FALSE, Master AdvInt: 100 centisec
Adv rcvd: 0, Bad pkts rcvd: 0, Adv sent: 135
Virtual MAC address:
00:00:5e:00:02:0a
Virtual IP address:
1::10 fe80::10
Router 3
R3(conf)#interface tengigabitethernet 1/0
R3(conf-if-te-1/0)#no ipv6 address
R3(conf-if-te-1/0)#ipv6 address 1::2/64
R3(conf-if-te-1/0)#vrrp-group 10
R2(conf-if-te-1/0-vrid-10)#
virtual-address fe80::10
R2(conf-if-te-1/0-vrid-10)#virtual-address 1::10
R3(conf-if-te-1/0-vrid-10)#no shutdown
R3(conf-if-te-1/0)#show config
interface TenGigabitEthernet 1/0
ipv6 address 1::2/64
vrrp-group 10
priority 100
virtual-address fe80::10
virtual-address 1::10
no shutdown
R3(conf-if-te-1/0)#end
R3#show vrrp
------------------
TenGigabitEthernet 1/0, IPv6 VRID: 10, Version: 3, Net:
fe80::201:e8ff:fe6b:1845
VRF: 0 default-vrf
State:
Backup, Priority: 100, Master: fe80::201:e8ff:fe6a:c59f
Hold Down: 0 centisec, Preempt: TRUE, AdvInt: 100 centisec
Accept Mode: FALSE, Master AdvInt: 100 centisec
Adv rcvd: 11, Bad pkts rcvd: 0, Adv sent: 0
Virtual MAC address:
00:00:5e:00:02:0a
Virtual Router Redundancy Protocol (VRRP)
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