D-Link DFL-CPG310 Product Manual - Page 94
Setting Up a Dialup Backup Connection, Configuring High Availability, Obtain IP address
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Using Internet Setup In this field... Do this... Connect on demand 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. When no higher priority connection is available 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. On outgoing activity 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. Idle timeout 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. Obtain IP address automatically (using DHCP) Clear this option if you do not want the NetDefend firewall to obtain an IP address automatically using DHCP. IP Address Type the static IP address of your NetDefend firewall. Subnet Mask Select the subnet mask that applies to the static IP address of your NetDefend firewall. 78 D-Link NetDefend firewall User Guide