A VRRP priority control policy enforces an overall minimum value that the policy can assign to the VRRP virtual router instance base priority. This value provides a lower limit to the delta priority events manipulation of the base priority.
A delta priority event is a conditional event defined in the priority control policy that subtracts a specified amount from the current, in-use priority for all VRRP virtual router instances to which the policy is applied. Multiple delta priority events can apply simultaneously, creating a dynamic priority value. The base priority for the instance, less the sum of the delta values, determines the priority value in-use.
An explicit priority event is a conditional event defined in the priority control policy that explicitly defines the in-use priority value for the virtual router instance. The explicitly defined value is not affected by the delta in-use priority limit. When multiple explicit priority events happen simultaneously, the lowest value is used for the in-use priority. The configured base priority is not a factor in explicit priority overrides of the in-use priority.
The allowed range of the Delta In-Use Priority Limit is 1 to 254. The default is 1, which prevents the delta priority events from operationally disabling the virtual router instance.