Hello, you may refer this article it will help for you and share your
feedback.
https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-access-a-firewall-from-a-FortiGate-Cloud/ta-p/290424
To use an unsupported transceiver on a FortiGate firewall, you need to
enable third-party transceivers by running the following command in the
FortiGate CLI: config system interfaceset allow-unsupported-transceiver
enableAlternatively, on some FortiG...
Perform a basic speed test on both fiber and mobile data networks.
Additionally, run a continuous ping to a website (e.g., ping cisco.com
-t) to monitor network quality, including packet loss and response time.
