Configuring the FortiGate unit to operate in NAT/Route mode

NAT/Route mode installation

 

 

3Set the IP address and netmask of the external interface to the external IP address and netmask that you recorded in Table 10 on page 43.

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

4Optionally set the IP address and netmask of the DMZ interface to the DMZ IP address and netmask that you recorded in Table 12 on page 44. Enter:

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

5Confirm 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.

6Set the primary DNS server IP addresses. Enter

set system dns primary <IP address>

Example

set system dns primary 293.44.75.21

7Optionally, set the secondary DNS server IP addresses. Enter

set system dns secondary <IP address>

Example

set system dns secondary 293.44.75.22

8Set 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

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Fortinet Inc.

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Fortinet 100 user manual Set system interface external mode static ip 204.23.1.5