D-Link DCS-5220 User Manual page 29

Section 3 - Configuration
Select DHCP if you are unsure which settings to pick.
Click Next to continue and skip to page 31.
Click Next
Select PPPoE if the camera is directly connected to the
Internet through a DSL modem and your ISP (Internet
Service Provider) requires you to use PPPoE for the
Internet connection. Click Next to continue and skip to
Step 2 on page 30.
Click Next
D-Link DCS-5220 User Manual 29