TD-W8960N 
300Mbps Wireless N ADSL2+ Modem Router User Guide
PC, and the NAT and SPI Firewall will be closed. Sometimes you can think it as bridge while
PPPdialing in the router. It’s a special feature deployed by some ISP. Unless your ISP specifically requires this setup, do not select it.
¾Use Static IPv4 Address: If your ISP gives you a static WAN, Gateway and DNS IP address, select this option to enter them manually.
¾Enable PPP Debug Mode: Select this option to debug the PPP function and you can see many PPP log information in the System Log. Only PPP has this debug Mode.
¾Bridge PPPoE Frames Between WAN and Local Ports: Select this option to start PPP connection in your local PC.
¾Enable IGMP Multicast Proxy: IGMP (Internet Group Management Protocol) is used to manage multicasting on TCP/IP networks. Some ISPs use IGMP to perform remote configuration for client devices, such as the Router. The default value is disabled, and if you are not sure, please contact your ISP or just leave it.
5.Select a preferred wan interface as the system default gateway in Figure
Figure
6.Configure the DNS Server Addresses on the screen below and click Next.
Figure
¾Obtain DNS info from a WAN Interface: You can select this option to automatically get DNS server information from the selected WAN interface.
¾Use the following Static DNS IP Address: You can select this option to manually enter the primary and /or optional secondary DNS server IP addresses provided by your ISP.
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