VRRP
Router Configuration Guide 417
Default 1 — Advertisement timer set to 1 second
Parameters seconds — The number of seconds that will transpire before the advertisement timer expires
expressed as a decimal integer.
Values IPv4: 1 to 255
IPv6: 1 to 40
milliseconds milliseconds — Specifies the time interval, in milliseconds, between sending
advertisement messages. This parameter is not supported on the 7450 ESS-1 chassis.
Values 100 to 900
IPv6: 10 to 990
policy
Syntax policy policy-id
no policy
Context config>router>if>vrrp
config>router>if>ipv6>vrrp
Description This command adds a VRRP priority control policy association with the virtual router instance.
To further augment the virtual router instance base priority, VRRP priority control policies can be used
to override or adjust the base priority value depending on events or conditions within the chassis.
The policy can be associated with more than one virtual router instance. The priority events within the
policy either override or diminish the base priority set with the priority command dynamically
affecting the in-use priority. As priority events clear in the policy, the in-use priority can eventually be
restored to the base priority value.
The policy command is only available in the non-owner vrrp nodal context. The priority of owner
virtual router instances is permanently set to 255 and cannot be changed by VRRP priority control
policies. For non-owner virtual router instances, if the policy command is not executed, the base
priority is used as the in-use priority.
The no form of the command removes existing VRRP priority control policy associations from the
virtual router instance. All associations must be removed prior to deleting the policy from the system.
Default no policy — No VRRP priority control policy is associated with the virtual router instance.
Parameters policy-id — The policy ID of the VRRP priority control expressed as a decimal integer. The vrrp-
policy-id must already exist for the command to function.
Values 1 to 9999
preempt
Syntax [no] preempt
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