Priority Group Activation in F5?

--> Priority Group Activation in F5 allows configuring the standby servers for the active servers in the pool.

--> Standby Servers won't receive the traffic from F5 until primary servers are running.

--> Standby Servers are automatically activated once the defined number of primary servers goes down.

--> Priority Group Activation feature mainly used to provide a web page with maintenance to the clients when the number of primary servers was unavailable due to load.

--> Priority Group Activation allows you to configure multiple priority pool groups within the pool

--> if priority group activation is set then F5 LTM will use available members with the highest priority number first.