D-Link DIR-605LB2 User Manual page 25

Section 3 - Configuration
User Name:
Enter your L2TP account name.
Password:
Enter your L2TP password, then retype the password in the
next box.
Maximum Idle
Enter a maximum idle time during which the Internet
Time:
connection is maintained during inactivity. To disable this
feature, enable Auto-reconnect.
MTU:
Maximum Transmission Unit - You may need to change the
MTU for optimal performance with your specific ISP.
Connect Mode Select either Always-on, Manual, or Connect-on demand.
Select:
D-Link DIR-605L User Manual 21