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VRRP
7750 SR OS Router Configuration Guide Page 181
have the supported IP addresses explicitly defined, making mismatched supported IP address
within the interconnected virtual router instances a provisioning issue.
Inherit Master VRRP Router’s Advertisement Interval Timer
The virtual router instance can inherit the master VRRP router’s advertisement interval timer
which is used by backup routers to calculate the master down timer.
The inheritance is only configurable in the non-owner nodal context. It is used to allow the current
virtual router instance master to dictate the master down timer for all backup virtual routers.
Policies
Policies can be configured to control VRRP priority with the virtual router instance. 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 override or diminish the base priority 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.
Policies can only be configured in the non-owner VRRP context. For non-owner virtual router
instances, if policies are not configured, then the base priority is used as the in-use priority.