Fortinet Fortigate-5000 series Administration Manual page 183

Router Static
1
2
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FortiGate Version 3.0 MR4 Administration Guide
01-30004-0203-20070102
Figure 100:Destinations on networks behind internal routers
192.168.10.1
Router_1
Network_1
192.168.20.0/24
To route packets from Network_1 to Network_2, Router_1 must be configured to
use the FortiGate internal interface as its default gateway. On the FortiGate unit,
you would create a new static route with these settings:
Destination IP/mask: 192.168.30.0/24
Gateway: 192.168.11.1
Device: dmz
Distance: 10
To route packets from Network_2 to Network_1, Router_2 must be configured to
use the FortiGate dmz interface as its default gateway. On the FortiGate unit, you
would create a new static route with these settings:
Destination IP/mask: 192.168.20.0/24
Gateway: 192.168.10.1
Device: internal
Distance: 10
Changing the gateway for the default route
The default gateway determines where packets matching the default route will be
forwarded.
To change the gateway for the default route
Go to Router > Static > Static Route.
Select the Edit icon in row 1.
In the Gateway field, type the IP address of the next-hop router to which outbound
traffic may be directed.
Internet
FortiGate_1
internal dmz
192.168.11.1
Static Route
Router_2
Network_2
192.168.30.0/24
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