The FortiGate unit has a number of different options for configuring interface
Network > Interfaces (Select interface and click Edit)
Interface name: Name of interface and MAC address. A physical interface name cannot be changed
Alias: Allow for adding another name to the interface
Link Status: Show if the interface is Up or Down, i.e connected to the network or not
Type: The type of interface, i.e Physical, VLAN, PPPoE, Hardware or Software switch, Loopback interface.
Role: Show or hides settings that apply to current role. Roles are LAN, WAN, DMZ or Undefined.
Estimated Bandwidth: Used to estimate utilization when role set to WAN