Fortinet FortiGate 100 Installation & Configuration Manual page 46

Configuring the FortiGate unit to operate in NAT/Route mode
46
3 Set the IP address and netmask of the external interface to the external IP address
and netmask that you recorded in
To set the manual IP address and netmask, enter:
set system interface external mode static ip <IP address>
<netmask>
Example
set system interface external mode static ip 204.23.1.5
255.255.255.0
To set the external interface to use DHCP, enter:
set system interface external mode dhcp connection enable
To set the external interface to use PPPoE, enter:
set system interface external mode pppoe username <user name>
password <password> connection enable
Example
set system interface external mode pppoe username
user@domain.com password mypass connection enable
4 Optionally set the IP address and netmask of the DMZ interface to the DMZ IP
address and netmask that you recorded in
set system interface dmz mode static ip <IP address> <netmask>
Example
set system interface dmz mode static ip 10.10.10.2
255.255.255.0
5 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.
6 Set the primary DNS server IP addresses. Enter
set system dns primary <IP address>
Example
set system dns primary 293.44.75.21
7 Optionally, set the secondary DNS server IP addresses. Enter
set system dns secondary <IP address>
Example
set system dns secondary 293.44.75.22
8 Set the default route to the Default Gateway IP address (not required for DHCP and
PPPoE).
set system route number <route_no> dst 0.0.0.0 0.0.0.0 gw1
<gateway_ip>
Example
set system route number 0 dst 0.0.0.0 0.0.0.0 gw1 204.23.1.2
Table 10 on page 43.
Table 12 on page
NAT/Route mode installation
44. Enter:
Fortinet Inc.