User manual

Network configuration Virtual domains in Transparent mode
FortiGate-4000 Installation and Configuration Guide 155
Adding a virtual domain
Use the following procedure to add a virtual domain to the FortiGate unit. You must
add at least one virtual domain to support VLANs in Transparent mode. Add more
virtual domains to simplify configuration if you are planning to add a large number of
VLANs.
To add a virtual domain
1 Go to System > Virtual Domain.
2 Select New to add a virtual domain.
3 Type a Name for the virtual domain.
4 Select OK to add the virtual domain.
Adding VLAN subinterfaces to a virtual domain
Use the following procedure to add VLAN subinterfaces to a virtual domain. You must
add at least two VLAN subinterfaces to each virtual domain. In most configurations a
virtual domain is used to send VLAN-tagged packets received at one FortiGate
physical interface to another FortiGate physical interface (for example, from the
internal interface to the external interface). For this to occur, you must add VLAN
subinterfaces to the receiving and sending physical interfaces (for example, to the
internal and external interfaces.
To add VLAN subinterfaces to a virtual domain
1 Go to System > Network > VLAN.
2 Select the Virtual Domain to add the VLAN subinterface to.
3 Select New to add a VLAN subinterface.
4 Type a Name for the VLAN subinterface.
5 Select the interface to associate the VLAN subinterface with.
The VLAN subeesr rh