D-Link NetDefend DFL-CP310 User Manual page 94

Using Internet Setup
In this field...
Connect on
demand
When no higher
priority connection
is available
On outgoing
activity
Idle timeout
Obtain IP address
automatically
(using DHCP)
IP Address
Subnet Mask
78
Do this...
Select this option if you do not want the dialup modem to be constantly
connected to the Internet. The modem will dial a connection only under
certain conditions.
This option is useful when configuring a dialup backup connection. For
information, see Setting Up a Dialup Backup Connection on page 92.
Select this option to specify that the dialup modem should only dial a
connection if no other connection exists, and the NetDefend firewall is
not acting as a Backup appliance.
If another connection opens, the dialup modem will disconnect.
For information on configuring the appliance as a Backup or Master, see
Configuring High Availability on page 119.
Select this option to specify that the dialup modem should only dial a
connection if no other connection exists, and there is outgoing activity
(that is, packets need to be transmitted to the Internet).
If another connection opens, or if the connection times out, the dialup
modem will disconnect.
Type the amount of time (in minutes) that the connection can remain idle.
Once this period of time has elapsed, the dialup modem will disconnect.
Clear this option if you do not want the NetDefend firewall to obtain an IP
address automatically using DHCP.
Type the static IP address of your NetDefend firewall.
Select the subnet mask that applies to the static IP address of your
NetDefend firewall.
D-Link NetDefend firewall User Guide