TP-Link TD-W9970 Router Manual PDF (Setup & Configuration Guide)

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TD-W9970

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

80

to this service port will be redirected to the computer specified by the server IP. Any PC that was

used for a virtual server must have a static or reserved IP address because its IP address may

change when using the DHCP function.

Figure 4-71



Service Port:

The numbers of External Service Ports. You can enter a service port or a

range of service ports (the format is XXX – YYY; XXX is the Start port and YYY is the End

port).



IP Address

: The IP address of the PC running the service application.



Internal Port

: The Internal Service Port number of the PC running the service application.

You can leave it blank if the

Internal Port

is the same as the

Service Port

, or enter a specific

port number when

Service Port

is a single one.



Protocol

: The protocol used for this application, either

TCP

,

UDP

, or

All

(all protocols

supported by the modem router).



Status

: The status of this entry, "Enabled" means the virtual server entry is enabled.



WAN

: The WAN Service Interface providing the service application.



Edit

: To modify or delete an existing entry.

To set up a virtual server entry:

1.

Click the

Add New

button. (pop-up

Figure 4-72)

2.

Select the service you want to use from the

Common Service Port

list. If the

Common

Service Port

menu does not list the service that you want to use, enter the number of the

service port or service port range in the

Service Port

field.

3.

Enter the IP address of the computer running the service application in the

IP Address

field.

4.

Select the protocol used for this application in the

Protocol

drop-down list, either

TCP

,

UDP

,

or

All

.

5.

Select the

Enabled

option in the

Status

drop-down list.

Click the

Save

button.

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TD-W9970

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

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Figure 4-72



Note:

It is possible that you have a computer or server that has more than one type of available service.

If so, select another service, and type the same IP address for that computer or server.

To modify or delete an existing entry:

1.

Find the desired entry in the table.

2.

Click

Edit

as desired on the

Edit

column.

Click the

Enable/ Disabled Selected

button to make selected entries enabled/ disabled.

Click the

Delete Selected

button to delete selected entries.



Note:

If you set the service port of the virtual server as 80, you must set the Web management port on

System Tools –> Manage Control

page to be any other value except 80 such as 8080.

Otherwise there will be a conflict to disable the virtual server.

4.13.2 Port Triggering

Choose menu “

Forwarding

”

→

“

Port Triggering

”, you can view and add port triggering in the

next screen (shown in Figure 4-73). Some applications require multiple connections, like Internet

games, video conferencing, Internet telephoning and so on. Port Triggering is used for some of

these applications that cannot work with a pure NAT modem router.

Figure 4-73

To add a new rule, follow the steps below.

1.

Click the

Add New

button, the next screen will pop-up as shown in Figure 4-74.

2.

Select a common application from the

Common Service Port

drop-down list, then the

Trigger Port

field and the

Open Ports

field will be automatically filled. If the

Common

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TD-W9970

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

82

Service Port

does not have the application you need, enter the

Trigger Port

and the

Open

Ports

manually.

3.

Select the protocol used for Trigger Port from the

Trigger Protocol

drop-down list, either

TCP

,

UDP

, or

All

.

4.

Select the protocol used for Incoming Ports from the

Open Protocol

drop-down list, either

TCP

or

UDP

, or

All.

5.

Select

Enable

in

Status

field.

6.

Click the

Save

button to save the new rule.

Figure 4-74



Interface

: Display the default gateway you have set in

4.5.1 WAN Settings

.



Trigger Port

: The port for outgoing traffic. An outgoing connection using this port will trigger

this rule.



Trigger Protocol

: The protocol used for Trigger Ports, either

TCP

,

UDP

, or

All

(all protocols

supported by the modem router).



Open Port

: The port or port range used by the remote system when it responds to the

outgoing request. A response using one of these ports will be forwarded to the PC which

triggered this rule. You can input at most 5 groups of ports (or port sections). Every group of

ports must be separated with ",", for example, 2000-2038, 2046, 2050-2051, 2085,

3010-3030.



Open Protocol

: The protocol used for

Incoming Port

, either

TCP

,

UDP

, or

ALL

(all

protocols supported by the modem router).



Status

: The status of this entry, Enabled means the Port Triggering entry is enabled.



Common Service Port

: Some popular applications already listed in the drop-down list of

Open Protocol

.

To modify or delete an existing entry:

1.

Find the desired entry in the table.

2.

Click

Edit

as desired on the

Edit

column.

Click the

Enable/ Disabled Selected

button to make selected entries enabled/ disabled.

Click the

Delete Selected

button to delete selected entries.

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TD-W9970

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

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Once the modem router is configured, the operation is as follows:

1.

A local host makes an outgoing connection to an external host using a destination port

number defined in the

Trigger Port

field.

2.

The modem router records this connection, opens the incoming port or ports associated with

this entry in the

Port Triggering

table, and associates them with the local host.

3.

When necessary, the external host will be able to connect to the local host using one of the

ports defined in the

Incoming Ports

field.



Note:

1.

When the trigger connection is released, the corresponding opened ports will be closed.

2.

Each rule can only be used by one host on the LAN at a time. The trigger connection of other

hosts on the LAN will be refused.

3.

Open Ports

ranges cannot overlap each other.

4.13.3 DMZ

Choose menu “

Forwarding

→

DMZ

”, and then you can view and configure DMZ host in the screen

(shown in Figure 4-75).The DMZ host feature allows one local host to be exposed to the Internet

for a special-purpose service such as Internet gaming or videoconferencing. The modem router

forwards packets of all services to the DMZ host. Any PC whose port is being forwarded must

have its DHCP client function disabled and should have a new static IP Address assigned to it

because its IP Address may be changed when using the DHCP function.

Figure 4-75

To assign a computer or server to be a DMZ server:

1.

Click the

Enable

button.

2.

Enter the IP address of a local PC that is set to be DMZ host in the

DMZ Host IP Address

field.

3.

Click the

Save

button.

4.13.4 UPnP

Choose menu “

Forwarding

→

UPnP

”, and then you can view the information about

UPnP

in the

screen (shown in Figure 4-76). The

Universal Plug and Play (UPnP)

feature allows the devices,

such as Internet computers, to access the local host resources or devices as needed. UPnP

devices can be automatically discovered by the UPnP service application on the LAN.

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TD-W9970

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

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Figure 4-76



Current UPnP Status:

UPnP can be enabled or disabled by clicking the

Enable

or

Disable

button. This feature is enabled by default.



Current UPnP Settings List:

This table displays the current UPnP information.

•

App Description

: The description about the application which initiates the UPnP

request.

•

External Port

: The port which the modem router opens for the application.

•

Protocol

: The type of protocol which is opened.

•

Internal Port

: The port which the modem router opened for local host.

•

IP Address

: The IP address of the local host which initiates the UPnP request.

•

Status

: Either Enabled or Disabled. "Enabled" means that the port is still active;

otherwise, the port is inactive.

Click the

Enable

button to enable UPnP.

Click the

Disable

button to disable UPnP.

Click the

Refresh

button to update the Current UPnP Settings List.

4.14 Parental Control

Choose menu “

Parental Control

”, and you can configure the parental control in the screen as

shown in Figure 4-77. The Parental Control function can be used to control the Internet activities of

the child, limit the child to access certain websites and restrict the time of surfing.

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