Fortinet Gate 60D, Administration Manual

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Static Route Router Static
FortiGate Version 4.0 Administration Guide
282 01-400-89802-20090424
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Figure 164: Making a router the default gateway
To route outbound packets from the internal network to destinations that are not on
network 192.168.20.0/24, you would edit the default route and include the following
settings:
• Destination IP/mask: 0.0.0.0/0.0.0.0
• Gateway: 192.168.10.1
• Device: Name of the interface connected to network 192.168.10.0/24 (for example
“external”).
• Distance: 10
The Gateway setting specifies the IP address of the next-hop router interface to the
FortiGate external interface. The interface behind the router (192.168.10.1) is the default
gateway for FortiGate_1.
In some cases, there may be routers behind the FortiGate unit. If the destination IP
address of a packet is not on the local network but is on a network behind one of those
routers, the FortiGate routing table must include a static route to that network. For
example, in
Figure 165 , the FortiGate unit must be configured with static routes to
interfaces 192.168.10.1 and 192.168.11.1 in order to forward packets to Network_1 and
Network_2 respectively.
Internal network
192.168.20.0/24
FortiGate_1
external
Gateway
Router
192.168.10.1
internal
Internet