D-Link DSL-6740U User Manual page 34

Section 3 - Configuration
For IP over ATM (IPoA) connection
Enter the WAN IP Address, WAN Subnet Mask provided by your ISP.
Click on the Next button to go to the next window.
NETWORK ADDRESS TRANSLATION SETTINGS
Enable the NAT and Firewall which are recommended by default.
Enable the IGMP Multicast if user needs IPTV related application.
Click on the Next button to go to the next window.
Please refer to page 36 DNS Server Configuration
D-Link DSL-6740U User Manual 34