D-Link DSL-6740U User Manual page 35

Section 3 - Configuration
For Bridging connection
Select Bridging radio button.
Enter the Service description as instructed by your ISP.
Click on the Next button to go to the next window.
Please refer to page 37 SETUP - SUMMARY
DNS Server Configuration
Enter the Primary and Secondary DNS server IP Address(if available),
or select Obtain DNS server address automatically to get DNS IP
address automatically. Then click Next applied.
Click on the Next button to go to the next window.
Default Gateway
Select the proper WAN interface as default gateway.
Then click Next.
D-Link DSL-6740U User Manual 35