Fortinet FortiGate FortiGate-5001 Administration Manual page 75

System Network
FortiGate-5000 series Administration Guide
Figure 22: FortiGate unit with two virtual domains in Transparent mode
VLAN Switch or router
VLAN1
Internal
VLAN1
VLAN2
VLAN3
VLAN2
VLAN trunk
VLAN3
Figure 23 shows a FortiGate unit operating in Transparent mode and configured with
three VLAN subinterfaces. In this configuration the FortiGate unit could be added to
this network to provide virus scanning, web content filtering, and other services to
each VLAN.
Figure 23: FortiGate unit in Transparent mode
VLAN 1
VLAN ID = 100
VLAN
switch
FortiGate unit
operating in
Transparent mode
01-28008-0013-20050204
FortiGate unit
root virtual domain
VLAN1
VLAN1
New virtual domain
VLAN2 VLAN2
VLAN3 VLAN3
VLAN 2
VLAN ID = 200
POWER
VLAN 1
VLAN
VLAN 2
Trunk
VLAN 3
Internal
Esc Enter
External
VLAN 1
VLAN
VLAN 2
Trunk
VLAN 3
VLAN
POWER
switch
Untagged
packets
Router
Internet
VLANs in Transparent mode
External
VLAN1
VLAN2
VLAN3
VLAN Switch
or router
VLAN trunk
VLAN 3
VLAN ID = 300
Internet
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