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56 Appendix A: Troubleshooting
Common Problems and Solutions
ADSL2+ Gateway with VoIP
7. I need to set up online game hosting or use other Internet applications.
If you want to play online games or use Internet applications, most will work without port forwarding or DMZ
hosting. There may be cases when you want to host an online game or Internet application. This would
require you to set up the Gateway to deliver incoming packets or data to a specific computer. This also applies
to the Internet applications you are using. The best way to get the information on what port services to use is
to go to the website of the online game or application you want to use. Follow these steps to set up online
game hosting or use a certain Internet application:
A. Access the Gateway’s web-based utility by going to http://192.168.1.1 or the IP address of the Gateway.
Go to the Router > Application tab.
B. Select yes from the Enable drop-down menu.
C. Enter any name you want to use for the service.
D. Enter the port range of the service you are using. For example, if you have a web server, you would enter
the range 80 (in the Starting Port field) to 80 (in the Ending Port field).
E. Select the protocol you will be using, TCP or UDP , or select Both .
F. 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 B: Finding the MAC Address and IP Address for Your Ethernet Adapter” for details on
getting an IP address.
G. Follow the instructions in steps B-F for the port services you want to use. Consider the examples below:
When you have completed the configuration, click the Submit All Changes button.
Enable Service Name Starting and Ending Ports Protocol IP Address
yes UT 7777 to 27900 Both 192.168.1.100
yes Halflife 27015 to 27015 Both 192.168.1.105
yes PC Anywhere 5631 to 5631 UDP 192.168.1.102
yes VPN IPSec 500 to 500 UDP 192.168.1.100