D-Link DWR-112 User Manual page 51

Section 3 - Configuration
Step 1: Configure Your IPv6 Internet Connection
The router will try and detect whether its possible to obtain the IPv6
Internet Connection type automatically. If this succeeds, then you
will be guided through the input of the appropriate parameters for the
connection type found.
However, if automatic detection fails, you will be prompted to either
Try again or to click on the Guide me through the IPv6 settings
button to go through manual configuration.
D-Link DWR-112 User Manual 47