Service Manual
Figure 129. VRRP for an IPv6 Conguration
NOTE: In a VRRP or VRRPv3 group, if two routers come up with the same priority and another router already has
MASTER status, the router with master status continues to be MASTER even if one of two routers has a higher IP or
IPv6 address.
The following example shows conguring VRRP for IPv6 Router 2 and Router 3.
Congure a virtual link local (fe80) address for each VRRPv3 group created for an interface. The VRRPv3 group becomes active as
soon as you congure the link local address. Afterward, you can congure the group’s virtual IPv6 address.
The virtual IPv6 address you congure must be the same as the IPv6 subnet to which the interface belongs.
Although R2 and R3 have the same default, priority (100), R2 is elected master in the VRRPv3 group because the
Gigabitethernet 1/1 interface has a higher IPv6 address than the Gigabitethernet 1/2 interface on R3.
Router 2
R2(conf)#interface gigabitethernet 1/1
R2(conf-if-gi-1/1)#no ip address
R2(conf-if-gi-1/1)#ipv6 address 1::1/64
R2(conf-if-gi-1/1)#vrrp-group 10
878
Virtual Router Redundancy Protocol (VRRP)