D-Link DSL-G2452GR User Manual page 108

DSL-G2452GR MU-MIMO Wireless Dual Band VDSL2 Router with
ASDL2+/3G/LTE/Gigabit Ethernet WAN Support, 2 FXS Ports and USB Port
User Manual
Parameter
Dial on demand
PPP IP extension
PPP debug
Move the switch to the right 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.
This option is used by some ISPs. Contact your ISP to clarify if this
option needs to be enabled. If it is required, move the switch to the
right.
Move the switch to the right if you want to log
connection debugging.
Page 108 of 262
Configuring via Web-based Interface
Description
all data on PPP