DVG-5121SP User’s Manual
D-Link Corporation
20
WAN Port MAC:
The default MAC Address is set to the WAN’s physical interface MAC address on the VoIP
telephone adapter. It is not recommended that you change the default MAC address unless
required by your ISP. You can use the
Clone MAC Address
button to replace the WAN port
MAC address with the MAC address of the Ethernet card on your computer. Select Manual
Setting to manually change the WAN Port MAC address.
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. 1500 bytes is the default MTU.
PPPoE Username:
Enter your PPPoE user name.
PPPoE Password:
Enter your PPPoE password and then retype the password in the next box.
Service Name:
Enter the ISP Service Name (optional).
IP Address:
Enter the IP address (Static PPPoE only).
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.