virtual server fault tolerance (active-passive)

Hi,

You can use Priority Group Activation to assign a higher value to the principal server, and, if it fails, send the request to the second server with a lower Priority Group Activation.

Follow this link to configure it:

https://support.f5.com/csp/article/K13525153#:~:text=To%20enable%20priority%20group%20activation,in%20a%20lower%20priority%20group.