D-Link DSL-2750U User Manual page 65

DSL-2750U Wireless N ADSL2+ USB Modem Router
User Manual
Parameter
Keep Alive
Dial on demand
PPP debug
Figure 46. Configuring 3G WAN connection. The expert settings mode. The Miscellaneous section.
Parameter
NAT
Firewall
Click the Next button to continue.
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.
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.
Page 65 of 174
Configuring via Web-based Interface
Description
keep you connected to
all data on PPP connection
Description