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Voice Gateway with Router
58
Appendix A: Troubleshooting
Common Problems and Solutions
9.
I can’t get the Internet game, server, or application to work.
If you are having difficulties getting any Internet game, server, or application to function properly, consider
exposing one PC to the Internet using DeMilitarized Zone (DMZ) hosting. This option is available when an
application requires too many ports or when you are not sure which port services to use. Make sure you
disable all the forwarding entries if you want to successfully use DMZ hosting, since forwarding has priority
over DMZ hosting. (In other words, data that enters the Voice Gateway will be checked first by the forwarding
settings. If the port number that the data enters from does not have port forwarding, then the Voice Gateway
will send the data to whichever PC or network device you set for DMZ hosting.)
Follow these steps to set
DMZ hosting:
A.
Access the Voice Gateway’s Web-based Utility by going to
or the IP address of the
Voice Gateway. Go to the
Router
=>
Application
tab.
B.
Disable or remove the entries you have entered for forwarding. Keep this information in case you want to
use it at a later time.
C.
Select
yes
from the
Enable DMZ
drop-down menu.
D.
Enter the Ethernet adapter’s IP address of the computer you want exposed to the Internet.
This will
bypass the NAT security for that computer. Please refer to “Appendix B: Finding the MAC Address and IP
Address for Your Ethernet Adapter” for details on getting an IP address.
Once completed with the configuration, click the
Submit All Changes
button.
10. I am a PPPoE user, and I need to remove the proxy settings or the dial-up pop-up window.
If you have proxy settings, you need to disable these on your computer. Because the Voice Gateway is the
gateway for the Internet connection, the computer does not need any proxy settings to gain access.
Please
follow these directions to verify that you do not have any proxy settings and that the browser you use is set
to connect directly to the LAN.
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Voice Gateway with Router
59
Appendix A: Troubleshooting
Common Problems and Solutions
For Microsoft Internet Explorer 5.0 or higher:
A.
Click
Start
,
Settings
, and
Control Panel
. Double-click
Internet Options
.
B.
Click the
Connections
tab.
C.
Click the
LAN settings
button and remove anything that is checked.
D.
Click the
OK
button to go back to the previous screen.
E.
Click the option
Never dial a connection
.
This will remove any dial-up pop-ups for PPPoE users.
For Netscape 4.7 or higher:
A.
Start
Netscape Navigator
, and click
Edit
,
Preferences
,
Advanced
, and
Proxies
.
B.
Make sure you have
Direct connection to the Internet
selected on this screen.
C.
Close all the windows to finish.
11. When I enter a URL or IP address, I get a time-out error or am prompted to retry.
Go through this checklist until your problem is solved:
•
Check if other PCs work. If they do, ensure that your workstation’s IP settings are correct (IP Address,
Subnet Mask, Default Gateway, and DNS). Restart the computer that is having a problem.
•
If the PCs are configured correctly, but still not working, check the Voice Gateway. Ensure that it is
connected and powered on. Connect to it and check its settings. (If you cannot connect to it, check the
LAN and power connections.)
•
If the Voice Gateway is configured correctly, check your Internet connection (DSL/cable modem, etc.) to
see if it is working correctly. You can remove the Voice Gateway to verify a direct connection.
•
Manually configure the TCP/IP with a DNS address provided by your ISP.
•
Make sure that your browser is set to connect directly and that any dial-up is disabled. For Internet
Explorer, click
Tools
,
Internet Options
, and then the
Connection
tab. Make sure that Internet Explorer
is set to
Never dial a connection
. For Netscape Navigator, click
Edit
,
Preferences
,
Advanced
, and
Proxy
. Make sure that Netscape Navigator is set to
Direct connection to the Internet
.
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Voice Gateway with Router
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Appendix A: Troubleshooting
Frequently Asked Questions
Frequently Asked Questions
Can I make calls if my Internet connection is down?
When you make Internet phone calls, your high-speed Internet connection must be active. However, you can
make calls using your landline.
Can I make calls while I’m browsing the Internet?
Yes. You can make calls while browsing the Internet. However, your web browsing may affect the quality of your
Internet calls, depending on the amount of upstream data traffic passing through your Internet connection.
What is the maximum number of IP addresses that the Voice Gateway will support?
The Voice Gateway will support up to 253 IP addresses.
Where is the Voice Gateway installed on the network?
In a typical environment, the Voice Gateway is installed between the cable/DSL modem and the local area
network (LAN). Plug the Voice Gateway into the cable/DSL modem’s Ethernet port.
Does the Voice Gateway support IPX or AppleTalk?
No. TCP/IP is the only protocol standard for the Internet and has become the global standard for
communications. IPX, a NetWare communications protocol used only to route messages from one node to
another, and AppleTalk, a communications protocol used on Apple and Macintosh networks, can be used for LAN
to LAN connections, but those protocols cannot connect from the Internet to the LAN.
What is Network Address Translation and what is it used for?
Network Address Translation (NAT) translates multiple IP addresses on the private LAN to one public address that
is sent out to the Internet. This adds a level of security since the address of a PC connected to the private LAN is
never transmitted on the Internet. Furthermore, NAT allows the Voice Gateway to be used with low cost Internet
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Appendix A: Troubleshooting
Frequently Asked Questions
accounts, such as DSL or cable modems, when only one TCP/IP address is provided by the ISP. The user may
have many private addresses behind this single address provided by the ISP.
Does the Voice Gateway support any operating system other than Windows 98, Millennium, 2000,
or XP?
Yes, but Linksys does not, at this time, provide technical support for setup, configuration or troubleshooting of
any non-Windows operating systems.
Does the Voice Gateway support ICQ send file?
Yes, with the following fix: click
ICQ menu
=>
preference
=>
connections
tab=>, and check
I am behind a
firewall or proxy
. Then set the firewall time-out to 80 seconds in the firewall setting. The Internet user can then
send a file to a user behind the Voice Gateway.
I set up an Unreal Tournament Server, but others on the LAN cannot join. What do I need to do?
If you have a dedicated Unreal Tournament server running, you need to create a static IP for each of the LAN
computers and forward ports 7777, 7778, 7779, 7780, 7781, and 27900 to the IP address of the server. You can
also use a port forwarding range of 7777 to 27900. If you want to use the UT Server Admin, forward another port
(8080 usually works well but is used for remote admin. You may have to disable this.), and then in the
[UWeb.WebServer] section of the server.ini file, set the ListenPort to 8080 (to match the mapped port above) and
ServerName to the IP assigned to the Voice Gateway from your ISP.
Can multiple gamers on the LAN get on one game server and play simultaneously with just one public IP
address?
It depends on which network game or what kind of game server you are using.
For example, Unreal Tournament
supports multi-login with one public IP.
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Appendix A: Troubleshooting
Frequently Asked Questions
How do I get
Half-Life: Team Fortress
to work with the Voice Gateway?
The default client port for Half-Life is 27005.
The computers on your LAN need to have “+clientport 2700x”
added to the HL shortcut command line; the x would be 6, 7, 8, and on up. This lets multiple computers connect
to the same server. One problem: Version 1.0.1.6 won’t let multiple computers with the same CD key connect at
the same time, even if on the same LAN (not a problem with 1.0.1.3).
As far as hosting games, the HL server
does not need to be in the DMZ. Just forward port 27015 to the local IP address of the server computer.
How can I block corrupted FTP downloads?
If you are experiencing corrupted files when you download a file with your FTP client, try using another FTP
program.
The web page hangs; downloads are corrupt, or nothing but junk characters are being displayed on the
screen. What do I need to do?
Force your Ethernet adapter to 10Mbps or half duplex mode, and turn off the “Auto-negotiate” feature of your
Ethernet adapter as a temporary measure. (Please look at the Network Control Panel in your Ethernet adapter’s
Advanced Properties tab.) Make sure that your proxy setting is disabled in the browser. Check our website at
www.linksys.com
for more information.
Will the Voice Gateway function in a Macintosh environment?
Yes, but the Voice Gateway’s setup pages are accessible only through Internet Explorer 5.0 or Netscape
Navigator 5.0 or higher for Macintosh.
I am not able to get the web configuration screen for the Voice Gateway. What can I do?
You may have to remove the proxy settings on your Internet browser, e.g., Netscape Navigator or Internet
Explorer.
Or remove the dial-up settings on your browser.
Check with your browser documentation, and make
sure that your browser is set to connect directly and that any dial-up is disabled. Make sure that your browser is
set to connect directly and that any dial-up is disabled. For Internet Explorer, click
Tools
,
Internet Options
, and
then the
Connection
tab. Make sure that Internet Explorer is set to
Never dial a connection
. For Netscape
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