Have your management IP and netmask ready before the first boot to avoid CLI-only configuration headaches later.
The only "best" place to download F5 software is the official portal. Using third-party mirrors or torrents is highly discouraged due to security risks and potential firmware corruption. Steps to Access the ISO: download big ip f5 iso best
Visit f5.com. You will need a registered account associated with your organization’s license or a trial registration. Have your management IP and netmask ready before