Firewall behind APM will be migrated
Migrating a firewall behind an F5 APM to a different vendor could indeed impact F5 APM device, depending on the specific setup and configuration of your network. It is important to check the compatibility between F5 APM and the new firewall and adjust the configurations accordingly.
First, ensure that the new firewall is compatible with your F5 APM. You can check this information in the vendor's documentation or by contacting their support