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2244 CHAPTER 147: VRRP CONFIGURATION COMMANDS FOR IPV6
Use the undo vrrp ipv6 vrid priority command to restore the default.
By default, the priority of a router in a standby group is 100.
■ Before executing the command, create a standby group on an interface and
configure the virtual IPv6 address of the standby group.
■ In VRRP, the role that a router plays in a standby group depends on its priority.
A higher priority means that the router is more likely to become the master.
Note that priority 0 is reserved for special use and 255 for the IP address owner.
■ If the router is the IP address owner, its priority is always 255. Therefore, it will
be the master so long as it is functioning normally.
Example # Set the priority of the router in standby group 1 to 150.
<Sysname> system-view
[Sysname] interface ethernet 1/0
[Sysname-Ethernet1/0] vrrp ipv6 vrid 1 virtual-ip fe80::2 link-local
[Sysname-Ethernet1/0] vrrp ipv6 vrid 1 priority 150
vrrp ipv6 vrid timer advertise
Syntax vrrp ipv6 vrid virtual-router-id timer advertise adver-interval
undo vrrp ipv6 vrid virtual-router-id timer advertise
View Interface view
Parameter virtual-router-id: VRRP standby group number, in the range 1 to 255.
adver-interval: Interval at which the master in the specified standby group sends
VRRP advertisements. It ranges from 100 to 4095 centiseconds.
Description Use the
vrrp ipv6 vrid timer advertise command to configure the
Adver_Timer of the specified standby group.
Use the
undo vrrp ipv6 vrid timer advertise command to restore the default.
By default the Adver_Timer is 100 centiseconds.
The Adver_Timer controls the interval at which the master sends VRRP packets.
■ Before executing the command, create a standby group on an interface and
configure the virtual IPv6 address of the standby group.
■ Routers in the same VRRP standby group must use the same Adver_Timer
setting.
Example # Set the master in standby group 1 to send VRRP advertisements at intervals of
500 centiseconds.
<Sysname> system-view
[Sysname] interface ethernet 1/0