D-Link DIR-685 User Manual page 27

Secton  - Configuraton
If you selected Dynamic, you may need to enter the MAC address of the
computer that was last connected directly to your modem. If you are currently
using that computer, click Clone.Your.PC's.MAC.Address and then click
Next to continue.
The Host Name is optional but may be required by some ISPs. The default
host name is the device name of the Router and may be changed.
If you selected PPPoE or Russian.PPPoE, enter your PPPoE username
and password. Click Next to continue.
Select Static if your ISP assigned you the IP address, subnet mask, gateway,
and DNS server addresses.
Note: Make sure to remove your PPPoE software from your computer. The
software is no longer needed and will not work through a router.
If you selected PPTP or Russian.PPTP, enter your PPTP username and
password. Click Next to continue.
D-Lnk DIR-685 User Manual