User`s manual
DVG-5121SP User’s Manual
D-Link Corporation
24
Ping from WAN: While enabled, this allows pings from the WAN through the Internet to check if the device is
working or not.
MTU: You may need to change the MTU (Maximum Transmission Unit) for optimal performance with your specific
ISP. 1400 bytes is the default MTU.
IP Address: Enter the IP address provided by your ISP. (Static L2TP only)
Subnet Mask: Enter the subnet mask provided by your ISP. (Static L2TP only)
Gateway: Enter the gateway provided by your ISP. (Static L2TP only)
Server IP/Name: Enter the Server IP provided by your ISP (optional).
L2TP Account: Enter your L2TP account name.
L2TP Password: Enter your L2TP password and then retype the password in the next box.
Connect Type: Select either Keep Alive or Manual on.
Max Idle Time: Enter a maximum idle time during which the Internet connection is maintained during inactivity. To
disable this feature, select Keep Alive as the connect type.
Set DNS server: The default setting is “Automatically.” If you choose “Manually”, you must enter the Primary and
Secondary DNS server IP addresses assigned by your ISP.