D-Link DSL-2750U User Manual page 101

DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual
Parameter
Keep Alive
Extra options
Dial on demand
PPP debug
NAT
Firewall
Ping
When all needed settings are configured, click the Apply button.
Select the checkbox if you want the router to
the network of your operator even when the connection has been
inactive for a specified period of time. When the checkbox is
selected, the LCP interval and LCP fails fields are available.
Specify the required values.
In the field, you can specify additional data for encryption or
authentication. Optional.
Select the checkbox if you want the router to establish connection to
the Internet on demand. In the Maximum idle time field, specify a
period of inactivity (in seconds) after which the connection should
be terminated.
Select the checkbox if you want to log
debugging.
Miscellaneous
Select the checkbox if you want one WAN IP address to be used for
all computers of your LAN.
Select the checkbox to enable protection against ARP and DDoS
attacks.
Select the checkbox to allow the router to answer ping requests from
the external network through this connection. For security reasons,
it is recommended not to select this checkbox.
Page 101 of 182
Configuring via Web-based Interface
Description
keep you connected to
all data on PPP connection