You can create OSI Layer2 or OSI Layer 3 networks.
If you want to learn more about command Add.
fcpc add l2network/vlan34 name="Vlan34" description="VLAN 34" tag=zone:internet
fcpc add l3network/dc name="DC_network" ipnet=192.168.1.0/24 tag=zone:internal
fcpc add l3network/dmz name="DMZ_network" ipnet=192.168.99.0/24 tag=zone:dmz
fcpc add l3network/perimeter name="Perimeter_network" ipnet=1.2.3.0/29 tag=zone:internet
Next - Link hosts and interfaces
Previous - Add hosts into platform
Start - See all steps