D-Link N300 User Manual page 40

Section 3 - Configuration
Username: Enter your L2TP username.
Password: Enter your L2TP password and then retype the password in the next box.
Reconnect Select either Always-on, On-Demand, or Manual.
Mode:
Maximum Idle
Enter a maximum idle time during which the Internet connection is maintained during inactivity. To disable this feature, enable
Time: Auto-reconnect.
DNS Servers: Enter the Primary and Secondary DNS Server Addresses (Static L2TP only).
MTU: Maximum Transmission Unit - you may need to change the MTU for optimal performance with your specific ISP. 1400 is the default
MTU.
Clone MAC
The default MAC Address is set to the Internet port's physical interface MAC address on the Broadband Router. It is not recommended
that you change the default MAC address unless required by your ISP. You can use the Clone.Your.PC's.MAC.Address button to
Address:
replace the Internet port's MAC address with the MAC address of your Ethernet card.
D-Link DIR-636L User Manual 36