D-Link DIR-615 User Manual page 78

Section 10 - Connecting to a Secured Wireless Network (WEP, WPA-PSK & WPA2-PSK)
9. Confirm your new settings by calling up the command prompt and
then entering the ipconfig command.
10.To test the new IP address, use the Ping feature of the command
prompt.
D-Link DIR-615 User Manual 75