TP-LINK TD-W8950ND User Manual

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  Dial on demand (with idle timeout timer): The modem router will cut off the Internet 

connection after it has been inactive for a specific period of time (idle timeout), and it will 
automatically re-establish the connection as soon as you attempt to access the Internet again. 
If your Internet is charged by time you may want to select this option in order to save money. 

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  PPP IP extension: Select this option to get the public IP address from the PPP server to your 

PC, and the NAT and SPI Firewall will be closed. Sometimes you can think it as bridge while 
PPP dialing in the router. It’s a special feature deployed by some ISP. Unless your ISP 
specifically requires this setup, do not select it. 

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  Use Static IPv4 Address: If your ISP gives you a static IPv4 address, select this option to 

enter it manually. 

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  Use Static IPv6 Address: If your ISP gives you a static IPv6 address, select this option to 

enter it manually. 

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  Enable 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. 

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  Bridge PPPoE Frames Between WAN and Local Ports: Select this option to start PPP 

connection in your local PC. 

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  Enable  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 modem 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 4-11 and click Next. 

 

Figure 4-11 

6.  Configure the DNS Server Addresses on the screen below and click Next. 

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