Fortinet FortiGate-800 Install Manual page 36

NAT/Route mode installation
36
config system interface
edit external
set mode static
set ip <address_ip> <netmask>
end
Example
config system interface
edit external
set mode static
set ip 204.28.1.5 255.255.255.0
end
To set the external interface to use DHCP
config system interface
edit external
set mode dhcp
end
To set the external interface to use PPPoE
config system interface
edit external
set mode pppoe
set connection enable
set username <name_str>
set password <psswrd>
end
2 Use the same syntax to set the IP address of each FortiGate interface as required.
3 Confirm 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
FortiGate-800 and FortiGate-800F FortiOS 3.0MR4 Install Guide
Configuring the FortiGate unit
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