D-Link DGL-5500 User Manual page 20

Section 3 - Configuration
If the router detected or you selected PPPoE, enter your PPPoE username
and password and click Next to continue.
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 the router detected or you selected Static, enter the IP and DNS settings
supplied by your ISP. Click Next to continue.
Click either I want automatic StreamBoost updates or I decline automatic
StreamBoost updates. Click Next to continue.
D-Link DGL-5500 User Manual 16