FortiLink mode over a layer-3 network
In some cases, the requirement is to bring up a FortiSwitch in FortiLink mode, but the FortiSwitch is not directly connected to the FortiGate.
There is a layer 3 network between FortiGate and FortiSwitch.
Read the below link before starting the configuration:
Note that the layer3 FortiLink config has changed from the 7.2.x version and above.
Refer to the below configuration:
FortiGate v7.2.4.
FortiSwitch v7.2.3.