Configuration of the port

Firstly, you require an additional Ethernet interface. An Ethernet interface is a physical interface for connection to the local network or external networks.

Assign a new Ethernet interface to a switch port.

Go to Physical Interfaces ->Ethernet Ports -> Port Configuration.

Physical Interfaces -> Ethernet Ports -> Port Configuration

Proceed as follows to assign the port to the interface:

Under Ethernet Interface Selection, select en1-1 in the dropdown menu for Switch Port 4.
Confirm with OK.