Fortinet FortiGate FortiGate-100A - Stand Alone Mode Configuration

FortiGate-60 series and FortiGate-100A FortiOS 3.0 MR4 Install Guide
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Selecting a modem mode Configuring the modem interface
For the FortiGate unit to switch from an Ethernet interface to the modem, you
must select the name of the interface in the modem configuration and configure a
ping server for that interface. You must also configure firewall policies for
connections between the modem interface and other FortiGate interfaces.
To configure a redundant modem connection for the FortiGate-60M
1 Go to System > Network > Modem.
2 Select Enable modem.
3 Select Redundant for the mode.
4 From the Redundant for list, select the Ethernet interface you want the modem to
back up.
5 Configure other modem settings as required.
“Configuring modem settings” on page 51.
6 Configure a ping server for the Ethernet interface selected in step 4.
See “Adding a Ping Server” on page 56.
7 Configure firewall policies for connections to the modem interface.
See “Adding firewall policies for modem connections” on page 57.
To configure the FortiGate-60 and FortiWiFi-60 through the CLI
1 Log into the CLI.
2 Enter the following to configure a redundant modem:
config system modem
set status enable
set status mode redundant
end
Stand alone mode configuration
In stand alone mode, you manually connect the modem to a dial-up account. The
modem interface operates as the primary connection to the Internet. The
FortiGate unit routes traffic through the modem interface, which remains
permanently connected to the dial-up account.
If the connection to the dial-up account fails, the FortiGate unit modem
automatically redials the number. The modem redials the ISP number based on
the amount of times specified by the redial limit, or until it connects to a dial-up
account.
In stand alone mode the modem interface replaces the external Ethernet
interface. You must also configure firewall policies for connections between the
modem interface and other FortiGate interfaces.
Note: Do not add a default route to the Ethernet interface that the modem interface
replaces.
Note: Do not add firewall policies for connections between the Ethernet interface that the
modem replaces and other interfaces.