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35
Appendix A: Troubleshooting
Common Problems and Solutions
Broadband Router
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 doing any 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 Router 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 Router’s Web-based Utility by going to
or the IP address of the Router. Go
to the
Advanced Setup
=>
Forwarding
tab.
B.
Select the Service from the pull-down menu. If the Service you need is not listed in the menu, click the
Service Management
button to add the new Service Name, and enter the Protocol and Port Range. For
example, if you have a web server, you would enter the range 80 to 80. Click the
Add to List
button. Then
click the
Save Setting
button. Click the
Exit
button.
C.
Enter the IP Address of the server that you want the Internet users to access. 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 C: Finding the MAC Address and IP Address for Your Ethernet Adapter” for details on getting an
IP address. Then check the
Enable
checkbox for the entry. Consider the examples below:
D.
Click the
Add to List
button, and configure as many entries as you like.
When you have completed the configuration, click the
Save Settings
button.
Application
Start and End
Protocol
IP Address
Enabled
UT
7777 to 27900
Both
192.168.1.100
X
Halflife
27015 to 27015
Both
192.168.1.105
X
PC Anywhere
5631 to 5631
UDP
192.168.1.102
X
VPN IPSEC
500 to 500
UDP
192.168.1.100
X
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36
Appendix A: Troubleshooting
Common Problems and Solutions
Broadband Router
8.
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 Router will be checked first by the forwarding settings.
If the port number that the data enters from does not have port forwarding, then the Router 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 Router’s Web-based Utility by going to
or the IP address of the Router. Go
to the
Setup
=>
Forwarding
tab.
B.
Disable or remove the entries you have entered for forwarding. To delete an entry, select it and then click
the
Delete selected application
button. Keep this information in case you want to use it at a later time.
C.
Click the
DMZ Host
tab.
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 C: 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
Save Settings
button.
9.
I forgot my password, or the password prompt always appears when saving settings to the Router.
Reset the Router to factory defaults by pressing the Reset button for ten seconds and then releasing it. If you
are still getting prompted for a password when saving settings, then perform the following steps:
A.
Access the Router’s web interface by going to
or the IP address of the Router. Enter
the default password admin, and click the
Setup
=>
Password
tab.
B.
Enter the old password in the
Old Password
field.
C.
Enter a different password in the
New Password
field, and enter the new password in the
Confirm New
Password
field to confirm the password.
D.
Click the
Save Settings
button.
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37
Appendix A: Troubleshooting
Common Problems and Solutions
Broadband Router
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 Router 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.
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.To start over, I need to set the Router to factory default.
Hold the Reset button for up to 30 seconds and then release it. This will return the password, forwarding, and
other settings on the Router to the factory default settings. In other words, the Router will revert to its original
factory configuration.
12.I need to upgrade the firmware.
In order to upgrade the firmware with the latest features, you need to go to the Linksys website and download
the latest firmware at
www.linksys.com
. Follow these steps:
A.
Go to the Linksys website at
and download the latest firmware, or use the
Web-based Utility to be automatically redirected to the download webpage. Go to System Management -
Firmware Upgrade, and click the
Firmware Download from Linksys Web Site
button. Select the Router
from the pull-down menu and choose the firmware from the options.
B.
Extract the firmware file on your computer.
C.
To upgrade the firmware, follow the steps in the Upgrade section found in “Chapter 5: Setting up and
Configuring the Broadband Router” or “Appendix B: Upgrading Firmware.”
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38
Appendix A: Troubleshooting
Common Problems and Solutions
Broadband Router
13.My DSL service’s PPPoE is always disconnecting.
PPPoE is not actually a dedicated or always-on connection.
The DSL ISP can disconnect the service after a
period of inactivity, just like a normal phone dial-up connection to the Internet.
There is a setup option to
“keep alive” the connection.
This may not always work, so you may need to re-establish connection
periodically.
A.
To connect to the Router, go to the web browser, and enter
or the IP address of the
Router.
B.
Enter the password, if asked. (The default password is admin.)
C.
On the
Basic Setup
tab, select the option
Keep Alive
, and set the
Redial Period
option at
20
(seconds).
D.
Click the
Save Settings
button.
E.
Click the
Status
tab, and click the
Connect
button.
F.
You may see the login status display as Connecting. Press the
F5
key to refresh the screen, until you see
the login status display as Connected.
If the connection is lost again, follow steps E and F to re-establish connection.
14.I need to use port triggering.
Port triggering looks at the outgoing port services used and will trigger the Router to open a specific port,
depending on which port an Internet application uses.
Follow these steps:
A.
To connect to the Router, go to the web browser, and enter
or the IP address of the
Router.
B.
Enter the password, if asked. (The default password is
admin
.)
C.
Click the
Advanced Setup
=>
Forwarding
tab.
D.
Enter any name you want to use for the Application Name.
E.
Enter the Start and End Ports of the Triggered Port Range. Check with your Internet application provider
for more information on which outgoing port services it is using.
F.
Enter the Start and End Ports of the Forwarded Port Range. Check with your Internet application provider
for more information on which incoming port services are required by the Internet application.
Once completed with the configuration, click the
Save Settings
button.
15.When I enter a URL or IP address, I get a time-out error or am prompted to retry.
•
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
Router. 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.)
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39
Appendix A: Troubleshooting
Frequently Asked Questions
Broadband Router
•
If the Router is configured correctly, check your Internet connection (DSL/cable modem, etc.) to see if it is
working correctly. You can remove the Router 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
.
Frequently Asked Questions
Is IPSec Passthrough supported by the Router?
Yes, enable or disable IPSec Passthrough on the VPN => VPN Pass Through tab.
Where is the Router installed on the network?
In a typical environment, the Router is installed between the cable/DSL modem and the LAN. Plug the Router into
the cable/DSL modem’s Ethernet port.
Does the Router 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 Router to be used with low cost Internet 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 Router 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 Router 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 Router.
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