System Network
Configuring the modem interface
FortiGate Version 4.0 Administration Guide
01-400-89802-20090424
143
4
Select
Apply
.
5
Configure a ping server for the ethernet interface the modem backs up.
“To add a ping server to an interface” on page 146
6
Configure firewall policies for network connectivity through the modem interface.
“Adding firewall policies for modem connections” on page 144
Standalone mode configuration
In standalone mode, the modem connects to a dialup account to provide a connection to
the Internet. You can configure the modem to dial when the FortiGate unit restarts or when
there are unrouted packets. You can also hang up or redial the modem manually.
If the connection to the dialup account fails, the FortiGate unit will redial the modem. The
modem redials the number of times specified by the redial limit, or until it connects to a
dialup account.
The modem will disconnect after a period of network inactivity set by the value in idle
timeout. This saves money on dialup connection charges.
You must configure firewall policies for connections between the modem interface and
other FortiGate interfaces.
You must also go to
Router > Static
to configure static routes to route traffic to the modem
interface. For example, if the modem interface is acting as the FortiGate unit external
interface you must set the device setting of the FortiGate unit default route to modem.
To configure standalone mode
1
Go to
System > Network > Modem
.
2
Select
Standalone
mode.
3
Enter the following information:
4
Select
Apply
.
5
Configure firewall policies for network connectivity through the modem interface.
“Adding firewall policies for modem connections” on page 144
Redundant for
From the list, select the interface to back up.
Holddown timer
Enter the number of seconds to continue using the modem after the
network connectivity is restored.
Redial Limit
Enter the maximum number of times to retry if the ISP does not answer.
Dialup Account 1
Dialup Account 2
Dialup Account 3
Enter the ISP phone number, user name and password for up to three
dialup accounts.
Auto-dial
Select if you want the modem to dial when the FortiGate unit restarts.
Dial on demand
Select if you want the modem to connect to its ISP whenever there are
unrouted packets.
Idle timeout
Enter the timeout duration in minutes. After this period of inactivity, the
modem disconnects.
Redial Limit
Enter the maximum number of times to retry if the ISP does not answer.
Dialup Account 1
Dialup Account 2
Dialup Account 3
Enter the ISP phone number, user name and password for up to three
dialup accounts.
Summary of Contents for Gate 60D
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