Fortiswitch Port Update Problem

[rcpdkc]

Hello. Fortigate has versions 7.0.15 Fortiswitch 7.4.2. They are interconnected with Fortlink. My problem is the following. I plug machine A into any port of Fortiswitch. Then I unplug this machine and plug machine B into the port. When I check in Fortigate, both machine A and B appear on the port when only machine B should appear. What is the reason for this?

[jintrah_FTNT]

Hi,

It is possibly because FortiGate holds the device info for quite some period of time in history when its idle/unavailable before they are removed , there is a config in system setting "discovered-device-timeout" that can be set to a day at minimum.

Best regards,

Jin