D-Link DIR-685 User Manual page 48

Section 3 - Configuration
Maximum Enter a maximum idle time during which the Internet connection is maintained during inactivity. To disable this feature, select
Always from the Connect mode select: drop-down menu.
Idle Time:
MTU: Maximum Transmission Unit - You may need to change the MTU for optimal performance with your specific ISP. 1400 is
the default MTU.
Use the drop-down menu to select a Schedule that determines when the router should try reconnecting to the Internet in the
Connect
event that the Internet connection is lost. The router will list the Schedules that have been defined in the Tools > Schedule
mode select:
window. Click the New Schedule button to open the Tools > Schedules window and create a new schedule (see page 88
for instructions on how to create a New Schedule).
Click the Manual radio button to specify that the Internet connection should be re-established manually, in the event of the
router losing its Internet connection.
Click the Connect-on demand radio button to specify that an Internet connection will only establish when a user or application
tries to access the Internet.
D-Link DIR-685 User Manual 43