Enables preempt mode for vrrp (v3). If a new router is added to the network with its priority higher than the existing routers,then the new router becomes the master.
default ipv6 vrrp <1-255> preempt-mode
ipv6 vrrp <1-255> preempt-mode enable
no ipv6 vrrp <1-255> preempt-mode enable
Specifies a unique integer value that represents the virtual router ID. The virtual router acts as the default router for one or more assigned addresses.
The default is enabled.
VLAN Interface Configuration