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SONICWALL SONICOS STANDARD 3.0 ADMINISTRATOR’S GUIDE
C
HAPTER
21:
Configuring Modem Dialup Properties
• Dial on Data - Using Dial on Data requires that outbound data is detected before the modem dials
the ISP. Outbound data does not need to originate from computers on the LAN, but can also be
packets generated by the SonicWALL security appliance internal applications such as AutoUpdate
and Anti-Virus. If Enable WAN Failover is selected on the Modem > Failover page, the pings gen-
erated by the probe can trigger the modem to dial when no WAN Ethernet connection is detected.
If the Primary Profile cannot connect, the modem uses the Alternate Profile 1 to dial an ISP.
• Manual Dial - Selecting Manual Dial for a Primary Profile means that a modem connection does
not automatically occur. You must click the Connect button on the Network>Settings page for the
dialup connection to be established. Also, WAN Failover does not automatically occur.
S
Alert: If you are configuring two dial-up profiles for WAN failover, the modem behavior should be the
same for each profile. For example, if your Primary Profile uses Persistent Connection, your
Secondary Profile should also use Persistent Connection.
S
Alert: If you enable Persistent Connection for the modem, the modem connection remains active until
the WAN Ethernet connection is reactivated or you force disconnection by clicking Disconnect on the
Configure page.
12
Enter the number of minutes a dial-up connection is allowed to be inactive in the Inactivity
Disconnect (minutes) field.
13
Select the connection speed from the Max Connection Speed (bps) menu. Auto is the default
setting as the SonicWALL security appliance automatically detects the connection speed when it
connects to the ISP or you can select a specific speed option from the menu.
14
Select Max Connection Time (minutes) if the connection is terminated after the specified time.
Enter the number of minutes for the connection to be active. The value can range from 0 to 1440
minutes. This feature does not conflict with the Inactivity Disconnect setting. If both features are
configured, the connection is terminated based on the shortest configured time.
15
If you select Max Connection Time (minutes), enter the number of minutes to delay before
redialling the ISP in the Delay Before Reconnect (minutes). The value can range from 0 to 1440,
and the default value is 0 which means there is no delay before reconnecting to the ISP.
16
If you have call waiting on your telephone line, you should disable it or another call can interrupt
your connection to your ISP. Select Disable Call Waiting and then select command from the list.
If you do not see your command listed, select Other, and enter the command in the field.
17
If the phone number for your ISP is busy, you can configure the number of times that the
SonicWALL security appliance modem attempts to connect in the Dial Retries per Phone
Number field. The default value is 0.
18
Enter the number of seconds between attempts to redial in the Delay Between Retries (seconds)
field. The default value is 5 seconds.
19
Select Disable VPN when Dialled if VPN Security Associations (SAs) are disabled when the
modem connects to the ISP. Terminating the dial-up connection re-enables the VPN SAs. This is
useful if you want to deploy your own point-to-point RAS network and want packets to be sent in
the clear to your intranets.