TP-Link TD-W9980 User Manual page 31

TD-W9980
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.
Default 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.
 Enable IPv6: Check the box to enable IPv6.
 IPv6 Address: Enter the IPv6 address provided by your ISP.
Prefix Length: Enter the prefix length of the IPv6 address. The default value is 64.

 IPv6 Gateway: Enter the gateway IPv6 address provided by your ISP.
 IPv6 DNS Server / Secondary IPv6 DNS Server: Here you can set IPv6 DNS Server (at
least one) manually. The Route will use this IPv6 DNS Server for priority.
 Default Gateway: Select a WAN Interface from the drop-down list as the IPv4 default
gateway.
N600 Wireless Dual Band Gigabit VDSL2 Modem Router User Guide
Figure 4-5
21