TD-W9970

300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide

20

Figure 4-5

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.

TD-W9970

300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide

21



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.



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.



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.



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.



Enable Fullcone NAT:

It is a type of NAT, if not enabled, the default NAT will act.



Enable SPI Firewall:

A 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. 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.

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.

TD-W9970

300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide

22

Figure 4-6

Click

Advance

, advanced selections for WAN Service Setup can be shown.



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.



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.



Enable Fullcone NAT

: It is a type of NAT, if not enabled, the default NAT will act.



Enable SPI Firewall:

A 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. The default value is disabled, and if you are not sure,

please contact your ISP or just leave it.

TD-W9970

300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide

23



Get IP with Unicast:

This is disabled

by default. The minority of DHCP Server of ISP will not

support to enable this. When the Route is connected right but IP cannot get, you can select

this box.



Set DNS Server manually:

Choose

“Set DNS Server manually”, you can set DNS Server

manually here. The modem router will use this DNS Server for priority.



Get IPv6 Address with Unicast:

This is disabled

by default. The minority of DHCPv6 Server

of ISP will not support to enable this. When the modem router is connected right but cannot

get IPv6 address, you can select this box.



Set IPv6 DNS Server manually:

Choose

“Set IPv6 DNS Server manually”, you can set IPv6

DNS Server manually here. The modem router will use this IPv6 DNS Server for priority.



Host Name:

Here displays model No. of your modem router.

Click the

Save

button to save the settings.

3) PPPoE

If your ISP provides a

PPPoE

connection and you need to use an ATM Interface, choose

PPPoE

in the drop-down list, and then the screen will be displayed as below.

Figure 4-7



PPP Username/Password/Confirm password

: Enter the User Name, Password and

Confirm password provided by your ISP. These fields are case-sensitive.

TD-W9970

300Mbps Wireless N USB VDSL/ADSL Modem Router User Guide

24



Connection Mode:

For PPPoE connection, you can select

Always on

or

Connect on

demand

or

Connect manually

. Connect on demand is dependent on the traffic. If there is no

traffic (or

Idle

) for a pre-specified period of time, the connection will

drop

down automatically.

And once there is traffic send or receive, the connection will be automatically on.



Authentication Type

: Select the

Authentication Type

from the drop-down list, the default

method is

AUTO_AUTH

, and you can leave it as a default setting.



Enable IPv4:

Check this box to enable IPv4.



Enable IPv6:

Check this box to enable IPv6.



Default Gateway:

Select a WAN connection from the drop-down list as the IPv4 default

gateway.



IPv6 Default Gateway:

Select a WAN connection from the drop-down list as the IPv6 default

gateway.

Click

Advance

, advanced selections for WAN Service Setup can be shown.



Service Name/Server Name

: Enter the Service Name and Server Name if it was provided by

your ISP. You can leave them blank, if the ISP doesn’t provide them.



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.



Enable Fullcone NAT

: It is a type of NAT, if not enabled, the default NAT will act.



Enable SPI Firewall:

A 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. The default value is disabled, and if you are not

sure, please contact your ISP or just leave it.



Use IP address specified by ISP:

Choose “Use IP address specified by ISP”, you can enter

the IP address provided by your ISP.



Set DNS Server manually:

Choose

“Set DNS Server manually”, you can set DNS Server

manually here. The modem router will use this DNS Server for priority.



Use IPv6 address specified by ISP:

Choose “Use IPv6 address specified by ISP”, you can

enter the IPv6 address provided by your ISP.



Set IPv6 DNS Server manually:

Choose

“Set IPv6 DNS Server manually”, you can set IPv6

DNS Server manually here. The modem router will use this IPv6 DNS Server for priority.

Click the

Save

button to save the settings.

4) Bridge

If you select this type of connection, the modem router can be configured to act as a bridging

device between your LAN and your ISP. Bridges are devices that enable two or more networks to

communicate as if they are two segments of the same physical LAN.