Fortinet Fortigate-5000 series Administration Manual page 92

Configuring the modem interface
92
Figure 46: Modem settings (Redundant)
Enable Modem Select to enable the FortiGate modem.
Modem status The modem status shows one of: "not active", "connecting",
"connected", "disconnecting" or "hung up" (Standalone mode only).
Dial Now/Hang Up (Standalone mode only) Select Dial Now to manually connect to a
dialup account. If the modem is connected, you can select Hang
Up to manually disconnect the modem.
Mode Select Standalone or Redundant mode. In Standalone mode, the
modem is an independent interface. In Redundant mode, the
modem is a backup facility for a selected Ethernet interface.
Auto-dial (Standalone mode only) Select to dial the modem automatically if
the connection is lost or the FortiGate unit is restarted. You cannot
select Auto-dial if Dial on demand is selected.
Redundant for (Redundant mode only) Select the ethernet interface for which the
modem provides backup service.
Dial on demand Select to dial the modem when packets are routed to the modem
interface. The modem disconnects after the idle timeout period if
there is no network activity. In Standalone mode, you cannot select
Dial on demand if Auto-dial is selected.
Idle timeout Enter the timeout duration in minutes. After this period of inactivity,
the modem disconnects.
Holddown (Redundant mode only) Enter the time (1-60 seconds) that the
FortiGate unit waits before switching from the modem interface to
Timer
the primary interface, after the primary interface has been restored.
The default is 1 second. Configure a higher value if you find the
FortiGate unit switching repeatedly between the primary interface
and the modem interface.
Redial Limit The maximum number of times (1-10) that the FortiGate unit
modem attempts to reconnect to the ISP if the connection fails. The
default redial limit is 1. Select None to have no limit on redial
attempts.
Dialup Account Configure up to three dialup accounts. The FortiGate unit tries
connecting to each account in order until a connection can be
established.
FortiGate Version 3.0 MR4 Administration Guide
01-30004-0203-20070102
System Network