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Appendix A: Troubleshooting
Common Problems and Solutions
Compact Wireless-G Broadband Router
5. I am not able to access the Setup page of the Router’s web-based utility.
• Refer to “Problem #2, I want to test my Internet connection” to verify that your computer is properly
connected to the Router.
• Refer to “Appendix E: Finding the MAC Address and IP address for Your Ethernet Adapter” to verify that
your computer has an IP Address, Subnet Mask, Gateway, and DNS.
• Set a static IP address on your system; refer to “Problem #1: I need to set a static IP address.”
• Refer to “Problem #10: I need to remove the proxy settings or the dial-up pop-up window (for PPPoE
users).”
6. I need to set up a server behind my Router and make it available to the public.
To use a server like a web, ftp, or mail server, you need to know the respective port numbers they are using.
For example, port 80 (HTTP) is used for web; port 21 (FTP) is used for FTP, and port 25 (SMTP outgoing) and
port 110 (POP3 incoming) are used for the mail server. You can get more information by viewing the
documentation provided with the server you installed.
Follow these steps to set up port forwarding through the Router’s web-based utility. We will be setting up
web, ftp, and mail servers.
1. Access the Router’s web-based utility by going to http://192.168.1.1 or the IP address of the Router.
Go to the Applications & Gaming => Port Range Forwarding tab.
2. Enter any name you want to use for the custom Application.
3. Enter the External Port range of the service you are using. For example, if you have a web server, you
would enter the range 80 to 80.
4. Check the protocol you will be using, TCP and/or UDP.
5. Enter the IP address of the PC or network device that you want the port server to go to. For example,
if the web server’s Ethernet adapter IP address is 192.168.1.100, you would enter 100 in the field
provided. Check “Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter” for
details on getting an IP address.
6. Check the Enabled option for the port services you want to use. Consider the example below:
When you have completed the configuration, click the Save Settings button.
Application Start ~ End Port Protocol IP Address Enabled
Web server 80 to 80 Both 192.168.1.100 X
FTP server 21 to 21 TCP 192.168.1.101 X
SMTP (outgoing) 25 to 25 Both 192.168.1.102 X
POP3 (incoming) 110 to 110 Both 192.168.1.102 X