Fortinet FortiGate FortiGate-4000 Installation Manual page 51

NAT/Route mode installation
FortiGate-4000 Installation Guide
To configure interfaces
1 Log in to the CLI.
2 Set the IP address and netmask of the internal interface to the internal IP address and
netmask that you recorded in
config system interface
edit internal
set mode static
set ip <address_ip> <netmask>
end
Example
config system interface
edit internal
set mode static
set ip <192.168.120.99> <255.255.255.0>
end
3 Set the IP address and netmask of the external interface to the external IP address
and netmask that you recorded in
config system external
edit external
set mode static
set ip <address_ip> <netmask>
end
Example
config system external
edit external
set mode static
set ip <204.23.1.5> <255.255.255.0>
end
To set the external interface to use DHCP, enter:
config system interface
edit external
set mode dhcp
end
To set the external interface to use PPPoE, enter:
config system interface
edit external
set mode pppoe
set connection enable
set username <name_str>
set password <psswrd>
end
Table 15 on page
Table 15 on page
01-28004-0028-20040830
Using the command line interface
48. Enter:
48.
51