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TD-W8970B 300Mbps Wireless N Gigabit ADSL2+ Modem Router (Annex B) User Guide
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¾ DNS Server/ Secondary DNS Server: Here you can set DNS Server (at least one) manually.
The Route will use this DNS Server for priority.
¾ Enable IPv6: Check the box to enable IPv6.
¾ IPv6 Address: Enter the IPv6 address provided by your ISP.
¾ Prefix Length: Enter the prefix length of the IPv6 address. The default value is 64.
¾ IPv6 Gateway: Enter the gateway IPv6 address provided by your ISP.
¾ 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.
¾ Default Gateway: Select a WAN Interface from the drop-down list as the IPv4 default
gateway.
¾ IPv6 Default Gateway: Select a WAN Interface from the drop-down list as the IPv6 default
gateway.
Click Advance, advanced selections of WAN Service Setup can be shown.
¾ MTU (bytes): Maximum Transmission Unit Size. Check this box then you can change the MTU
size. The default MTU value is 1500 Bytes. It is not recommended that you change the default
value unless required by your ISP.
¾ Enable NAT: This technology translates the IP addresses of a local area network to a different
IP address for the Internet. If this modem router is hosting your network’s connection to the
Internet, please select the check box. If another Router exists in your network, you don’t need
to select the option.
¾ Enable Fullcone NAT: It is a type of NAT, if not enabled, the default NAT will act.
¾ Enable SPI Firewall: A SPI firewall enhances network’s security. Select the option to use a
firewall, or else without a firewall.
¾ Enable IGMP 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.
Click the Save button to save the settings.
4.5.1.2
Dynamic IP
Select this option, the modem router will be able to obtain IP network information dynamically from
a DHCP server provided by your ISP.