D-Link SharePort DIR-506L User Manual page 30

Section 3 - Configuration
If you selected Dynamic IP (DHCP), you will see the following settings.
Host Name: Entering a host name is optional but may be required by
some ISPs. Leave this blank if you are not sure.
Use Unicasting:
Check the box if you are having problems obtaining an
IP address from your ISP.
Primary/ Enter the Primary and secondary DNS server IP addresses
Secondary DNS
assigned by your ISP. These addresses are usually obtained
Server: automatically from your ISP. Leave this setting at 0.0.0.0 if
you did not specifically receive these from your ISP.
MTU:
If you experience connection issues, you may need to
change the MTU setting for optimal performance with
your specific ISP. 1492 is the default MTU.
MAC Address:
If your ISP requires you to enter a MAC address, enter it
here. You can click the Clone Your PC's MAC Address
button to copy your current computer's MAC address.
D-Link DIR-506L User Manual 26