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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
7-18
Advanced Configuration of the WGX102
202-10042-02 v1.1
This table lists the current rules:
Enable — indicates if the rule is enabled or disabled. Generally, there is no need to disable a
rule unless it interferes with some other function, such as Port Forwarding.
Name — the name for this rule.
Outgoing Ports — the port or port range for outgoing traffic. An outgoing connection using
one of these ports “Triggers” this rule.
Incoming Ports — the port or port range used by the remote system when it responds to the
outgoing request. A response using one of these ports is forwarded to the PC that triggered this
rule.
To see which rules are currently being used, click the Status button. The following data is
displayed:
Rule — the name of the Rule.
LAN IP Address — the IP address of the PC currently using this rule.
Open Ports — the Incoming ports which are associated the this rule. Incoming traffic using
one of these ports is sent to the IP address above.
Time Remaining — the time remaining before this rule is released, and thus available for other
PCs. This timer is restarted whenever incoming or outgoing traffic is received.
Before starting to configure an Internet Game or Application, you need to know which service,
application or game you will be configuring. Also, you need to have the outbound port (triggering
port) address for this game or application.
Follow these steps to set up a computer to play Internet games or use Internet applications:
1.
Click Add.
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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
Advanced Configuration of the WGX102
7-19
202-10042-02 v1.1
Figure 7-14:
Add Port Triggering Rule menu
2.
For the Name, enter a suitable name for this rule (the name of the application).
3.
Enable the rule.
4.
For the Outgoing (Trigger) Port Range, enter the range of port numbers used by the
application when it generates an outgoing request.
5.
For the Incoming (Response) Port Range, enter the range of port numbers used by the remote
system when it responds to the PC's request.
6.
Click
Apply
to save your changes.
Router Mode Port Forwarding to Local Servers
Although the wireless range extender causes your entire local network to appear as a single
machine to the Internet, you can make a local server (for example, a Web server or game server)
visible and available to the Internet. This is done using the Port Forwarding menu. From the main
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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
7-20
Advanced Configuration of the WGX102
202-10042-02 v1.1
menu of the browser interface, under Advanced, click Port Forwarding to view the port forwarding
menu, shown below.
Figure 7-15:
Port Forwarding menu
Use the Port Forwarding menu to configure the wireless range extender to forward incoming
protocols to computers on your local network. In addition to servers for specific applications, you
can also specify a Default DMZ Server to which all other incoming protocols are forwarded. The
DMZ Server is configured in the WAN Setup menu as discussed in
“Router Mode WAN Setup
Options” on page 7-23
.
Before starting, you need to determine which type of service, application or game you will provide
and the IP address of the computer that will provide each service. Be sure the computer’s IP
address never changes. To configure port forwarding to a local server:
1.
From the Service & Game box, select the service or game to host on your network.
If the service does not appear in the list, refer to the following section, “
Adding a Custom
Service”
.
2.
Enter the IP address of the local server in the corresponding Server IP Address box.
3.
Click the Add button.
Note:
To assure that the same computer always has the same IP address, use the reserved
IP address feature of your Wireless Range Extender. See
“Using Address Reservation in
Router Mode” on page 7-28
for instructions on how to use reserved IP addresses.
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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
Advanced Configuration of the WGX102
7-21
202-10042-02 v1.1
Adding a Custom Service
To define a service, game or application that does not appear in the Services & Games list, you
must determine what port numbers are used by the service. For this information, you may need to
contact the manufacturer of the program that you wish to use. When you have the port number
information, follow these steps:
1.
Click the Add Custom Service button.
Figure 7-16:
Ports - Custom Services menu
2.
Type the service name in the Service Name box.
3.
Type the beginning port number in the Starting Port box.
If the application uses only a single port; type the same port number in the Ending Port
box.
If the application uses a range of ports; type the ending port number of the range in the
Ending Port box.
4.
Type the IP address of the computer in the Server IP Address box.
5.
Click
Apply
to save your changes.
Local Web and FTP Server Example
If a local computer with a private IP address of 192.168.0.33 acts as a Web and FTP server,
configure the Ports menu to forward HTTP (port 80) and FTP (port 21) to local address
192.168.0.33.
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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102
7-22
Advanced Configuration of the WGX102
202-10042-02 v1.1
In order for a remote user to access this server from the Internet, the remote user must know the IP
address that has been assigned by your ISP. If this address is 172.16.1.23, for example, an Internet
user can access your Web server by directing the browser to http://172.16.1.23. The assigned IP
address can be found in the Router Status menu, where it is shown as the WAN IP Address.
Some considerations for this application are:
If your account’s IP address is assigned dynamically by your ISP, the IP address may change
periodically as the DHCP lease expires.
If the IP address of the local computer is assigned by DHCP, it may change when the computer
is rebooted. To avoid this, you can manually configure the computer to use a fixed address.
Local computers must access the local server using the computers’ local LAN address
(192.168.0.33 in this example). Attempts by local computers to access the server using the
external IP address (172.16.1.23 in this example) will fail.
Multiple Computers for Half Life, KALI or Quake III Example
To set up an additional computer to play Half Life, KALI or Quake III:
1.
Click the button of an unused port in the table.
2.
Select the game again from the Services/Games list.
3.
Change the beginning port number in the Start Port box.
For these games, use the supplied number in the default listing and add +1 for each additional
computer. For example, if you've already configured one computer to play Hexen II (using
port 26900), the second computer's port number would be 26901, and the third computer
would be 26902.
4.
Type the same port number in the End Port box that you typed in the Start Port box.
5.
Type the IP address of the additional computer in the Server IP Address box.
6.
Click
Apply
.
Some online games and videoconferencing applications are incompatible with NAT. The Wireless
Range Extender is programmed to recognize some of these applications and to work properly with
them, but there are other applications that may not function well. In some cases, one local
computer can run the application properly if that computer’s IP address is entered as the default in
the Ports menu. If one local computer acts as a game or videoconferencing host, enter its IP
address as the default.
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