DVG-5121SP User’s Manual
D-Link Corporation
22
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. 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.
IP Address:
Enter the IP address provided by your ISP. (Static PPTP only)
Subnet Mask:
Enter the subnet mask provided by your ISP. (Static PPTP only)
Gateway:
Enter the gateway provided by your ISP. (Static PPTP only)
Server IP/Name:
Enter the Server IP provided by your ISP (optional).
PPTP Account:
Enter your PPTP account name.
PPTP Password:
Enter your PPTP 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.
