TP-Link TD-W9970 User Manual page 28

TD-W9970
WAN Service Setup:
Enable IPv4：Check the box to enable IPv4.
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IP Address: Enter the IP address in dotted-decimal notation provided by your ISP.
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Subnet Mask: Enter the subnet Mask in dotted-decimal notation provided by your ISP,
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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.
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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.
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300Mbps Wireless N USB VDSL2 Modem Router User Guide
Figure 4-5
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