NAT/Route mode installation

Configuring the FortiGate unit to operate in NAT/Route mode

 

 

6Confirm that the addresses are correct. Enter: get system interface

The CLI lists the IP address, netmask, and other settings for each of the FortiGate interfaces.

To configure DNS server settings

Set the primary and secondary DNS server IP addresses. Enter

config system dns

set primary <address_ip> set secondary <address_ip>

end

Example

config system dns

set primary 293.44.75.21 set secondary 293.44.75.22

end

To add a default route

Add a default route to configure where the FortiGate unit sends traffic that should be sent to an external network (usually the Internet). Adding the default route also defines which interface is connected to an external network. The default route is not required if the interface connected to the external network is configured using DHCP or PPPoE.

Set the default route to the Default Gateway IP address. Enter:

config router static edit 1

set dst 0.0.0.0 0.0.0.0 set gateway <gateway_IP> set device <interface>

end

Example

If the default gateway IP is 204.23.1.2 and this gateway is connected to port2:

config router static edit 1

set dst 0.0.0.0 0.0.0.0 set gateway 204.23.1.2 set device port2

end

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Fortinet Network Router, FORTIGATE, 500A, 127 manual To configure DNS server settings, To add a default route

500A, Network Router, 127, FORTIGATE specifications

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