Netgear Router WGR614v9 User Manual

Wireless-G Router WGR614v9 Reference Manual
Customizing Your Network Settings 4-13
v1.1, May 2008
Setting Up a Repeater Unit
Use a wired Ethernet connection to set up the repeater unit to avoid conflicts with the wireless 
connection to the base station.
To configure a Wireless-G Router as a repeater unit:
1.If you are using the same model of wireless router for both the base station and repeaters, you 
must change the LAN IP address for each repeater to a different IP address in the same subnet 
(see...

Wireless-G Router WGR614v9 Reference Manual
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5-1
v1.1, May 2008
Chapter 5
Fine-Tuning Your Network
This chapter describes how to modify the configuration of the Wireless-G Router Model 
WGR614v9 to allow specific applications to access the Internet or to be accessed from the 
Internet, and how to make adjustments to enhance your network’s performance.
This chapter includes the following sections:
•“Allowing Inbound Connections to Your Network”
•“Configuring Port Forwarding to Local Servers” on page 5-6
•“Configuring Port Triggering” on page 5-9...

Wireless-G Router WGR614v9 Reference Manual
5-2 Fine-Tuning Your Network
v1.1, May 2008
How Your Computer Accesses a Remote Computer through Your 
Router
When a computer on your network needs to access a computer on the Internet, your computer 
sends your router a message containing source and destination address and process information. 
Before forwarding your message to the remote computer, your router must modify the source 
information and must create and track the communication session so that...

Wireless-G Router WGR614v9 Reference Manual
Fine-Tuning Your Network 5-3
v1.1, May 2008
4. The Web server at www.example.com composes a return message with the requested Web 
page data. The return message contains the following address and port information:
• The source address is the IP address of www.example.com.
• The source port number is 80, the standard port number for a Web server process.
• The destination address is the public IP address of your router.
• The destination port number is 33333....

Wireless-G Router WGR614v9 Reference Manual
5-4 Fine-Tuning Your Network
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“When you initiate a session with destination port 6667, you must also allow incoming traffic on 
port 113 to reach the originating computer.” Using steps similar to the preceding example, the 
following sequence shows the effects of the port triggering rule you have defined:
1. You open an IRC client program, beginning a chat session on your computer. 
2. Your IRC client composes a request message to an IRC server...

Wireless-G Router WGR614v9 Reference Manual
Fine-Tuning Your Network 5-5
v1.1, May 2008
How Port Forwarding Changes the Communication Process
In both of the preceding examples, your computer initiates an application session with a server 
computer on the Internet. However, you might need to allow a client computer on the Internet to 
initiate a connection to a server computer on your network. Normally, your router ignores any 
inbound traffic that is not a response to your own outbound traffic. You can...

Wireless-G Router WGR614v9 Reference Manual
5-6 Fine-Tuning Your Network
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How Port Forwarding Differs from Port Triggering
The following points summarize the differences between port forwarding and port triggering:
• Port triggering can be used by any computer on your network, although only one computer can 
use it at a time.
• Port forwarding is configured for a single computer on your network.
• Port triggering does not need to know the computer’s IP address in advance. The IP address is...

Wireless-G Router WGR614v9 Reference Manual
Fine-Tuning Your Network 5-7
v1.1, May 2008
To configure port forwarding to a local server:
1.Select Port Forwarding/Port Triggering under Advanced in the main menu.
2.From the Service Name list, select the service or game that you will host on your network.
If the service does not appear in the list, see the following section, “Adding a Custom 
Service.”
3.In the corresponding Server IP Address box, enter the last digit of the IP address of your local...

Wireless-G Router WGR614v9 Reference Manual
5-8 Fine-Tuning Your Network
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2.Click Add Custom Service.
3.In the Service Name field, enter a descriptive name. 
4.In the Service Type field, select the protocol. If you are unsure, select TCP/UDP.
5.In the Star ting  Po rt field, enter the beginning port number. 
• If the application uses only a single port, enter the same port number in the Ending Port 
field.
• If the application uses a range of ports, enter the ending port number of the range...