TP-Link TD-9970B User Manual page 27

TD-W9970/TD-W9970B
WAN Service Setup:
Enable IPv4：Check the box to enable IPv4.

IP Address: Enter the IP address in dotted-decimal notation provided by your ISP.

Subnet Mask: Enter the subnet Mask in dotted-decimal notation provided by your ISP,

usually is 255.255.255.0.
Gateway (Optional): Enter the gateway IP address in dotted-decimal notation provided by

your ISP.
DNS Server/ Secondary DNS Server: Here you can set DNS Server (at least one) manually.

The Route will use this DNS Server for priority.
Default Gateway: Select a WAN Interface from the drop-down list as the IPv4 default

gateway.
Enable IPv6: Check the box to enable IPv6.

300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide
Figure 4-5
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