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Appendix A: Troubleshooting

Frequently Asked Questions

•

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

How do I make a phone call?

Pick up the phone and dial. Use 7-, 10-, or 11-digit dialing for calls within the same area code as your Internet

phone number. Use 10- or 11-digit dialing for calls outside of your area code.

Can I make calls if my Internet connection is down?

No. Your high-speed Internet connection must be active when you make Internet phone or fax calls.

Can I make calls while I’m browsing the Internet?

Yes. You can make Internet phone or fax calls while browsing the Internet. However, your web browsing may

affect the quality of your telephone call, depending on the amount of upstream data traffic passing through your

Internet connection.

Can I receive calls while my network is down?

You cannot directly receive calls while your network is down. However, your Internet phone service provider can

forward calls to a different telephone number, such as a cellular phone number, if you activate a feature called

Network Availability Number. You can configure this feature through your service account.

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Broadband Router with 2 Phone Ports

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Appendix A: Troubleshooting

Frequently Asked Questions

What is the maximum number of IP addresses that the Router will support?

The Router will support up to 253 IP addresses.

Where is the Router installed on the network?

In a typical environment, the Router is installed between the cable/DSL modem and the local area network (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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Appendix A: Troubleshooting

Frequently Asked Questions

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 Router 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.

How do I get

Half-Life: Team Fortress

to work with the Router?

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

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Appendix A: Troubleshooting

Frequently Asked Questions

Advanced Properties tab.) Make sure that your proxy setting is disabled in the browser. Check our website at

www.linksys.com

for more information.

If all else fails in the installation, what can I do?

Reset the Router by holding down the Reset button for approximately five seconds. Reset your cable or DSL

modem by powering the unit off and then on. Contact your Internet phone service provider for assistance. Refer

to “Appendix H: Contact Information” for contact information.

Will the Router function in a Macintosh environment?

Yes, but the Router’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 Router. 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

Navigator, click

Edit

,

Preferences

,

Advanced

, and

Proxy

. Make sure that Netscape Navigator is set to

Direct

connection to the Internet

.

What is DMZ Hosting?

Demilitarized Zone (DMZ) allows one IP address (computer) to be exposed to the Internet.

Some applications

require multiple TCP/IP ports to be open.

It is recommended that you set your computer with a static IP if you

want to use DMZ Hosting. To get the LAN IP address, see “Appendix B: Finding the MAC Address and IP Address

for Your Ethernet Adapter.”

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Appendix A: Troubleshooting

Frequently Asked Questions

If DMZ Hosting is used, does the exposed user share the public IP with the Router?

No.

Is the Router cross-platform compatible?

Any platform that supports Ethernet and TCP/IP is compatible with the Router.

How many ports can be simultaneously forwarded?

Theoretically, the Router can establish 520 sessions at the same time, but you can only forward 10 ranges of

ports.

Does the Router replace a modem? Is there a cable or DSL modem in the Router?

No, this version of the Router must work in conjunction with a cable or DSL modem.

Which modems are compatible with the Router?

The Router is compatible with virtually any cable or DSL modem that supports Ethernet.

How can I check whether I have static or DHCP IP addresses?

Ask your ISP to find out.

How do I get mIRC to work with the Router?

Under the Applications & Gaming => Port Range Forwarding tab, set port forwarding to

113

for the PC on which

you are using mIRC.

What is a MAC Address?

The Media Access Control (MAC) address is a unique number assigned by the manufacturer to any Ethernet

networking device, such as a network adapter, that allows the network to identify it at the hardware level. For all

practical purposes, this number is usually permanent. Unlike IP addresses, which can change every time a

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