Instructions
Turn on the PlayStation 3. On the XMB menu, select "Settings," and then "Network Settings."
Select "Internet Connection Settings" and press "X." Select "OK" on the confirmation. This opens a "Select a Setting Method" screen.
Select "Custom" and press "X." Depending upon your connection type, select "Wired" or "Wireless" on the Connect Method screen.
Select "Manual Settings" and press "X." Select "Auto Detect" on the Speed and Duplex settings screen.
Select "Manual" and press "X" on the IP Address Setting screen. Check that the current IP address, subnet mask, and default router settings are correct. Select the "Primary DNS" option, which is near the bottom above "Secondary DNS," and then enter the DNS address you wish to use. Press the "X" button to save.
Select "Automatic" and press "X" on the MTU screen, and then select "Do Not Use" on the Proxy Server screen.
Select "Disable" and press "X" on the UPnP selection screen. This opens a review page. Press the "X" button to save the settings.