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Arche r D9
AC1900 Wireless Dual Band Gigabit ADSL2+ Modem Router User Guide
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 modem router will use the first 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.
IPv6 Address: Enter the IPv6 address provided by your ISP.
Pre fix Le ngth: 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.
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.
M TU (bytes): The default M TU (Maximum Transmission Unit) value is 1500 Bytes. Do not
change the default value unless required by your ISP.
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.
Enable Fullcone NAT: It is a type of NAT, if not enabled, the default NAT will act.
Enable SPI Firewall: The SPI firewall enhances network’s security. Select the option to use a
firewall, or else without a firewall.
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. It is enabled by default.
Click the Save button to save the settings.
4.5.1.2 Dynamic IP
Select Dynamic IP type if your ISP provides the DHCP service, and the modem router will
automatically get IP parameters from your ISP.
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