D-Link IRX1860A1 User Manual page 22

Section 2 - Installation
If the router does not detect a valid Internet connection, a list of connection
types to choose from will be displayed. Select your Internet connection type
(this information can be obtained from your Internet Service Provider).
Click Next to continue.
If the router detected or you selected PPPoE, enter your PPPoE username and
password. If you do not have this information, please contact your ISP.
Click Next to continue.
Note: Make sure to remove all other existing PPPoE software from your computer.
The software is no longer needed and will not work through a router.
D-Link DIR-X1860 User Manual 17