Fortinet FortiGate FortiGate-100 - Page 29

NAT/Route mode installation Configuring the FortiGate unit to operate in NAT/Route mode
FortiGate-100 Installation Guide 01-28004-0019-20040830 29
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 Table 5 on page 26. Enter:
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 Table 5 on page 26.
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
4 Use the same syntax to set the IP address of each FortiGate interface as required.