Linksys WRT54GX User Guide

Linksys WRT54GX - Wireless-G Broadband Router Manual

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  • Linksys WRT54GX | User Guide - Page 1
    ® A Division of Cisco Systems, Inc. 2.4GHz 802.11g Wireless-G Broadband Router WIRELESS with SRX Model No. WRT54GX User Guide
  • Linksys WRT54GX | User Guide - Page 2
    than ever. Look for the following items when reading this User Guide: This checkmark means there is a note of interest and is something you should pay special attention to while using the Wireless-G Broadband Router. This exclamation point means there is a caution or warning and is something that
  • Linksys WRT54GX | User Guide - Page 3
    Address Clone 16 The Setup Tab - Advanced Routing 17 The Wireless Tab - Basic Wireless Settings 18 The Wireless Tab - Wireless Security 19 The Wireless Tab - Wireless MAC Filter 21 The Wireless Tab - Advanced Wireless Settings 22 The Security Tab - Firewall 23 The Access Restrictions
  • Linksys WRT54GX | User Guide - Page 4
    51 Security Threats Facing Wireless Networks 51 Appendix C: Upgrading Firmware 54 Appendix D: Windows Help 55 Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter 56 Windows 98SE or Me Instructions 56 Windows 2000 or XP Instructions 57 For the Router's Web-based
  • Linksys WRT54GX | User Guide - Page 5
    Wireless-G Broadband Router with SRX List of Figures Figure 3-1: The Router's Back Panel 6 Figure 3-2: The Router's Reset Button 6 Figure 3-3: The Router's LEDs 7 Figure 4-1: The Router's Ports 8 Figure 5-1: Password Screen 9 Figure 5-2: Setup Tab - Basic Setup 10 Figure 5-3: DHCP
  • Linksys WRT54GX | User Guide - Page 6
    38: Status Tab - Router 31 Figure 5-39: Status Tab - Local Network 32 Figure 5-40: Status Tab - Wireless 33 Figure 5-41: Status Tab - System Performance 34 Figure C-1: Upgrade Firmware 54 Figure E-1: IP Configuration Screen 56 Figure E-2: MAC Address/Adapter Address 56 Figure E-3: MAC
  • Linksys WRT54GX | User Guide - Page 7
    unwelcome users. You should always use the Setup CD-ROM when you first install the Router. If you do not wish to run the Setup Wizard on the Setup CD-ROM, then use the instructions in this Guide to help you connect the Wireless-G Broadband Router with SRX, set it up, and configure it to bridge your
  • Linksys WRT54GX | User Guide - Page 8
    to upgrade the Router's firmware should you need to do so. • Appendix D: Windows Help This appendix describes how you can use Windows Help for instructions about networking, such as installing the TCP/IP protocol. • Appendix E: Finding the MAC Address and IP Address for your Ethernet Adapter. This
  • Linksys WRT54GX | User Guide - Page 9
    Wireless-G Broadband Router with SRX • Appendix H: Warranty Information This appendix supplies the Router's warranty information. • Appendix I: Regulatory Information This appendix supplies the Router's regulatory information. • Appendix J: Contact Information This appendix provides contact
  • Linksys WRT54GX | User Guide - Page 10
    /or transmission between users. ssid: your wireless network's name. ad-hoc: a group of wireless devices communicating directly to each other (peer-to-peer) without the use of an access point. Infrastructure: a wireless network that is bridged to a wired network via an access point. adapter: a device
  • Linksys WRT54GX | User Guide - Page 11
    ) and Wireless Ethernet Bridges (WET54G, WET11). When you wish to connect your wireless network with your wired network, you can use the Wireless-G Broadband Router's four LAN ports. To add more ports, any of the Wireless-G Broadband Router's LAN ports can be connected to any of Linksys's switches
  • Linksys WRT54GX | User Guide - Page 12
    Wireless-G Broadband Router with SRX Chapter 3: Getting to Know the Wireless-G Broadband Router The Back Panel The Router's ports, where the cables are connected, are located on the back panel. Reset Button Internet 1, 2, 3, 4 Power There are two ways to reset the Router's factory defaults.
  • Linksys WRT54GX | User Guide - Page 13
    Wireless-G Broadband Router with SRX The Front Panel The Router's LEDs, where information about network activity is displayed, are located on the front panel. 1, 2, 3, 4 Internet Wireless DMZ Power Green. These numbered LEDs, corresponding with the numbered ports on the Router's back panel, serve
  • Linksys WRT54GX | User Guide - Page 14
    sure you use the power adapter that is supplied with the Router. Use of a different power adapter could damage the Router. Now that the hardware installation is complete, proceed to "Chapter 5: Configuring the Wireless-G Broadband Router," for directions on using the Router's Web-Based Utility to
  • Linksys WRT54GX | User Guide - Page 15
    : Setup, Wireless, Security, Access Restrictions, Applications & Gaming, Administration, and Status. Additional tabs will be available after you click one of the main tabs. To access the Web-based Utility, launch Internet Explorer or Netscape Navigator, and enter the Router's default IP address, 192
  • Linksys WRT54GX | User Guide - Page 16
    default, the Router's Internet Connection Type is set to Automatic Configuration - DHCP, which should be kept only if your ISP supports DHCP or you are connecting through a dynamic IP address. Figure 5-2: Setup Tab - Basic Setup Figure 5-3: DHCP Connection Type Chapter 5: Configuring the Wireless
  • Linksys WRT54GX | User Guide - Page 17
    ip address: a fixed address assigned to a computer or device connected to a network. Figure 5-5: PPPoE Connection Type pppoe: a type of broadband connection that provides authentication (username and password) in addition to data transport Chapter 5: Configuring the Wireless-G Broadband Router
  • Linksys WRT54GX | User Guide - Page 18
    Wireless-G Broadband Router with SRX • PPTP. Point-to-Point Tunneling Protocol (PPTP) is a service that applies to connections in Europe only. Specify Internet IP Address. This is the Router's IP address, as seen from the Internet. Your ISP will provide you with the IP Address you need to specify
  • Linksys WRT54GX | User Guide - Page 19
    Wireless Setup is performed through the Wireless tab. Router IP This presents both the Router's IP Address and Subnet Mask as seen by your network. Figure 5-8: Optional Settings packet: a unit of data sent over a network Figure 5-9: Router IP Chapter 5: Configuring the Wireless-G Broadband Router
  • Linksys WRT54GX | User Guide - Page 20
    Wireless-G Broadband Router with SRX Network Address Server Settings (DHCP) The settings allow you to configure the Router's Dynamic Host Configuration Protocol (DHCP) server function. The Router can be used as a DHCP server for your network. A DHCP server automatically assigns an IP address to each
  • Linksys WRT54GX | User Guide - Page 21
    Wireless-G Broadband Router with SRX The Setup Tab - DDNS The Router offers a Dynamic Domain Name System (DDNS) feature. DDNS lets you assign a fixed host and domain name to a dynamic Internet IP address. It is useful when you are hosting your own website, FTP server, or other server behind the
  • Linksys WRT54GX | User Guide - Page 22
    Wireless-G Broadband Router with SRX The Setup Tab - MAC Address Clone A MAC address is a 12-digit code assigned to a unique piece of hardware for identification. Some ISPs will require you to register a MAC address in order to access the Internet. If you do not wish to re-register the MAC address
  • Linksys WRT54GX | User Guide - Page 23
    is the host portion. Default Gateway. This is the IP address of the gateway device that allows for contact between the Router and the remote network or host. Interface. This interface tells you whether the Destination IP Address is on the LAN & Wireless (Ethernet and wireless networks), the WAN
  • Linksys WRT54GX | User Guide - Page 24
    of the characters on the keyboard). Make sure this setting is the same for all points in your wireless network. For added security, you should change the default SSID (linksys) to a unique name. Wireless Channel. Select the appropriate channel from the list provided to correspond with your network
  • Linksys WRT54GX | User Guide - Page 25
    -G Broadband Router with SRX The Wireless Tab - Wireless Security The Wireless Security settings configure the security of your wireless network. There are four wireless security mode options supported by the Router: WPA Pre-Shared Key, WPA RADIUS, and WEP. (WPA stands for Wi-Fi Protected Access
  • Linksys WRT54GX | User Guide - Page 26
    the Passphrase or enter the WEP key manually. Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes. For detailed instructions on configuring wireless security for the Router, turn to "Appendix B: Wireless Security
  • Linksys WRT54GX | User Guide - Page 27
    Wireless-G Broadband Router with SRX The Wireless Tab - Wireless MAC Filter Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your network's radius. Wireless MAC Filter. To filter wireless users by MAC Address, either permitting or blocking access
  • Linksys WRT54GX | User Guide - Page 28
    connection speed between the Router and a wireless client. The default value is Auto. Figure 5-22: Wireless Tab - Advanced Wireless Settings CTS Protection Mode. CTS (Clear-To-Send) Protection Mode should remain disabled unless you are having severe problems with your Wireless-G products not being
  • Linksys WRT54GX | User Guide - Page 29
    Wireless-G Broadband Router with SRX RTS Threshold. Should you encounter inconsistent data flow, only minor reduction of the default value, 2347, is recommended. If a network packet is smaller than the preset RTS threshold size, the RTS/CTS mechanism will not be enabled. The Router sends Request to
  • Linksys WRT54GX | User Guide - Page 30
    of IP Addresses if you want this policy to affect a group of PCs. After making your changes, click the Save Settings button to apply your changes or Cancel Changes to cancel your changes. Then click the Close button. Chapter 5: Configuring the Wireless-G Broadband Router The Access Restrictions Tab
  • Linksys WRT54GX | User Guide - Page 31
    5-27: Port Services ftp: a protocol used to transfer files over a TCP/IP network telnet: a user command and TCP/IP protocol used for accessing remote PCs url: the address of a file located on the Internet Chapter 5: Configuring the Wireless-G Broadband Router 25 The Access Restrictions Tab
  • Linksys WRT54GX | User Guide - Page 32
    Wireless-G Broadband Router with SRX The Applications and Gaming Tab - Port Range Forward The Applications and Gaming Tab allows you to set up public services data for specific port numbers. The Gateway will remember the IP address of the computer that sends a transmission requesting data, so
  • Linksys WRT54GX | User Guide - Page 33
    Client. For each application, enter the IP Address of the server that you want the Internet users to be able to access. Internal Port. Enter the number of the internal port used by the server. Check with the Internet application software documentation for more information. Enabled. Click the
  • Linksys WRT54GX | User Guide - Page 34
    /write access to the Router's SNMP information.The default name is private. A name must be entered in this field. SNMP Trap-Community. Enter the password required by the remote host computer that will receive trap messages or notices sent by the Router. SNMP Trap-Destination. Enter the IP address of
  • Linksys WRT54GX | User Guide - Page 35
    Wireless-G Broadband Router with SRX UPnP UPnP. UPnP allows Windows XP and Windows Me to automatically configure the Router your system: Unauthorized Login Attempt, Update Time By NTP Client, and Authorized . To start the test, enter the IP address of the PC whose connection you wish
  • Linksys WRT54GX | User Guide - Page 36
    Tab - Factory Defaults The Administration Tab - Firmware Upgrade Firmware can be upgraded by clicking the Upgrade button after browsing for the firmware, which you can download from the Linksys website. Do not upgrade your firmware unless you are experiencing problems with the Router. For more
  • Linksys WRT54GX | User Guide - Page 37
    status. Hardware Version. This shows the Router's model number. Firmware Version. This is the Router's current firmware version. Boot Version. This shows the Router's BIOS version. Current Time. This shows the time, as you set on the Setup Tab. MAC Address. This is the Router's MAC Address, as
  • Linksys WRT54GX | User Guide - Page 38
    Wireless-G Broadband Router with SRX The Status Tab - Local Network The Local Network screen on the Status Tab displays the status of your network. MAC Address. This is the Router's MAC Address, as seen on your local, Ethernet network. IP Address. This shows the Router's IP Address, as it appears
  • Linksys WRT54GX | User Guide - Page 39
    Wireless-G Broadband Router with SRX The Status Tab - Wireless The Wireless screen on the Status Tab displays the status of your wireless network. MAC Address. This is the Router's MAC Address, as seen on your local, wireless network. Mode. As selected from the Wireless tab, this will display the
  • Linksys WRT54GX | User Guide - Page 40
    IP address of the Router's interface is displayed here. MAC Address. The MAC address of the Router's interface is shown here. Connection. The status of the connection is shown here. Packets Received. The number of packets received is displayed here. Chapter 5: Configuring the Wireless-G Broadband
  • Linksys WRT54GX | User Guide - Page 41
    Wireless-G Broadband Router with SRX Packets Sent. The number of packets sent is displayed here. Bytes the Refresh button to update the on-screen information. Help information is shown on the right-hand side of the screen. Chapter 5: Configuring the Wireless-G Broadband Router 35 The Status Tab
  • Linksys WRT54GX | User Guide - Page 42
    Wireless-G Broadband Router with SRX Appendix A: Troubleshooting This appendix consists of two parts: "Common Problems and Solutions" and "Frequently Asked Questions." Provided are possible solutions to problems that may occur during the installation and operation of the Router. Read the
  • Linksys WRT54GX | User Guide - Page 43
    Wireless-G Broadband Router with SRX • For Windows 2000: 1. Click Start, Settings, and Control Panel. Double-click Network and Dial-Up Connections. 2. Right-click the Local Area Connection that is associated with the Ethernet adapter you are using, and select the Properties option. 3. In the
  • Linksys WRT54GX | User Guide - Page 44
    . Contact your ISP to see if your Internet connection type is DHCP, Static IP Address, or PPPoE (commonly used by DSL consumers). Please refer to the Setup section of "Chapter 5: Configuring the Wireless-G Broadband Router" for details on Internet connection settings. • Make sure you have the right
  • Linksys WRT54GX | User Guide - Page 45
    Wireless-G Broadband Router with SRX 6. 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
  • Linksys WRT54GX | User Guide - Page 46
    Internet application: 1. Access the Router's web interface by going to http://192.168.1.1 or the IP address of the Router. Go to the Applications & Gaming => Port Forwarding tab. 2. Enter any name you want to use for the Customized Application. 3. Enter the External Port range of the service you are
  • Linksys WRT54GX | User Guide - Page 47
    . Reset the Router to factory default by pressing the Reset button for 10 seconds and then releasing it. If you are still getting prompted for a password when saving settings, then perform the following steps: 1. Access the Router's web-based utility by going to http://192.168.1.1 or the IP address
  • Linksys WRT54GX | User Guide - Page 48
    make the Power LED stop flashing: • If the firmware upgrade failed, use the TFTP program (it was downloaded along with the firmware). Open the pdf that was downloaded along with the firmware and TFTP program, and follow the pdf's instructions. • Set a static IP address on the PC; refer to "Problem
  • Linksys WRT54GX | User Guide - Page 49
    the Internet IP address is not 0.0.0.0. If it is, click the DHCP Renew button, and wait a few minutes for the router to try and contact your service provider. After the router successfully obtains an IP address, restart your computer. Appendix A: Troubleshooting 43 Common Problems and Solutions
  • Linksys WRT54GX | User Guide - Page 50
    Wireless-G Broadband Router with SRX • For DSL users - 1) Make sure you have typed in your user name and password correctly. Some service providers use your full email address as the user name. If you are sure you have enter the right user name, try using username@[isp.com], where isp.com is the
  • Linksys WRT54GX | User Guide - Page 51
    Wireless-G Broadband Router with SRX 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. Is IPSec Pass-Through supported by the Router? Yes, it is a built-in feature that the Router automatically enables.
  • Linksys WRT54GX | User Guide - Page 52
    at www.linksys.com, where they can be downloaded for free. To upgrade the Router's firmware, use the System tab of the Router's web-based utility. If the Router's Internet connection is working well, there is no need to download a newer firmware version, unless Appendix A: Troubleshooting 46
  • Linksys WRT54GX | User Guide - Page 53
    Wireless-G Broadband Router with SRX that version contains new features that you would like to use. Downloading a more current version of Router firmware will not enhance the quality or speed of your Internet connection, and may disrupt your current connection stability. Will the Router function in
  • Linksys WRT54GX | User Guide - Page 54
    Wireless-G Broadband Router with SRX How do I get mIRC to work with the Router? Under the Port Forwarding tab, set port forwarding to 113 for the PC on which you are using mIRC. Can the Router act as my DHCP server? Yes. The Router has DHCP server software built-in. Can I run an application from
  • Linksys WRT54GX | User Guide - Page 55
    Wireless-G Broadband Router with SRX maintain contact with the wireless network even when not actually transmitting data. Achieving these functions simultaneously requires a dynamic RF networking technology that links access points and nodes. In such a system, the user's end node undertakes a search
  • Linksys WRT54GX | User Guide - Page 56
    Wireless-G Broadband Router with SRX What is WEP? WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 64-bit or 128-bit shared key algorithm, as described in the IEEE 802.11 standard. What is a MAC Address? The Media Access Control (MAC) address is a unique number assigned by the
  • Linksys WRT54GX | User Guide - Page 57
    get that information. Change the administrator's password regularly. Appendix B: Wireless Security Security Precautions Note: Some of these security features are available only through the network router or access point. Refer to the router or access point's documentation for more information. 51
  • Linksys WRT54GX | User Guide - Page 58
    , it allows anyone to log into your wireless network. This includes hackers. So, don't broadcast the SSID. Wireless networking products come with a default SSID set by the factory. (The Linksys default SSID is "linksys".) Hackers know these defaults and can check these against your network. Change
  • Linksys WRT54GX | User Guide - Page 59
    Wireless-G Broadband Router with SRX WPA Pre-Shared Key. If you do not have a RADIUS server, Select the type of algorithm, TKIP or AES, enter a password in the Pre-Shared key field of 8-64 characters, and enter a Group Key Renewal period time between 0 and 99,999 seconds, which instructs the Router
  • Linksys WRT54GX | User Guide - Page 60
    Wireless-G Broadband Router with SRX Appendix C: Upgrading Firmware The Broadband Router's firmware is upgraded through the Web-based Utility's Administration tab. Follow these instructions: 1. Download the firmware from Linksys's website at www.linksys.com. 2. Click Firmware Upgrade from the Web-
  • Linksys WRT54GX | User Guide - Page 61
    can be accessed through Windows Help and are described in this appendix. TCP/IP Before a computer can communicate with the Broadband Router, TCP/IP must be enabled. TCP/IP is a set of instructions, or protocol, all PCs follow to communicate over a network. This is true for wireless networks as
  • Linksys WRT54GX | User Guide - Page 62
    Wireless-G Broadband Router with SRX Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter This section describes how to find the MAC address for your computer's Ethernet adapter so you can use the MAC filtering and/or MAC address cloning feature of the Router. You can also
  • Linksys WRT54GX | User Guide - Page 63
    Wireless-G Broadband Router with SRX Windows 2000 or XP Instructions 1. Click Start and Run. In the Open field, enter cmd. Press the Enter key or click the OK button. 2. At the command prompt, enter ipconfig /all. Then press the Enter key. 3. Write down the Physical Address as shown on your computer
  • Linksys WRT54GX | User Guide - Page 64
    of 2.4GHz, and backward compatibility with 802.11b devices. Access Point - A device that allows wireless-equipped computers and other devices to communicate with a wired network. Also used to expand the range of a wireless network. Adapter - A device that adds network functionality to your PC. Ad
  • Linksys WRT54GX | User Guide - Page 65
    Wireless-G Broadband Router with SRX CTS (Clear To Send) - A signal sent by a wireless device, signifying that it is ready to receive data. Database - A collection of data that is organized so that its contents can easily be accessed, managed, and updated. DDNS (Dynamic Domain Name System) - Allows
  • Linksys WRT54GX | User Guide - Page 66
    - An independent institute that develops networking standards. Infrastructure - A wireless network that is bridged to a wired network via an access point. IP (Internet Protocol) - A protocol used to send data over a network. IP Address - The address used to identify a computer or device on a network
  • Linksys WRT54GX | User Guide - Page 67
    as a type of broadband connection in Europe. RADIUS (Remote Authentication Dial-In User Service) - A protocol that uses an authentication server to control network access. Roaming - The ability to take a wireless device from one access point's range to another without losing the connection. Router
  • Linksys WRT54GX | User Guide - Page 68
    /Internet Protocol) - A set of instructions PCs use to communicate over a network. Telnet - A user command and TCP/IP protocol used for accessing remote PCs. TFTP (Trivial File Transfer Protocol) - A version of the TCP/IP FTP protocol that has no directory or password capability. TKIP (Temporal Key
  • Linksys WRT54GX | User Guide - Page 69
    Wireless-G Broadband Router with SRX URL (Uniform Resource Locator) - The address of a IP address for a particular networking device. WLAN (Wireless Local Area Network) - A group of computers and associated devices that communicate with each other wirelessly. WPA (Wi-Fi Protected Access) - a wireless
  • Linksys WRT54GX | User Guide - Page 70
    Wireless-G Broadband Router with SRX Appendix G: Specifications Model Standards Channels Ports/Buttons Cabling Type LEDs RF Power Output UPnP able/cert Security features Wireless Security Dimensions (W x H x D) Unit Weight WRT54GX IEEE 802.3, IEEE 802.3u, IEEE 802.11g, IEEE 802.11b 11 Channels (US
  • Linksys WRT54GX | User Guide - Page 71
    Wireless-G Broadband Router with SRX Power External, 12V DC, 1.0A Certification FCC, IC-03, CE Operating Temp. 0° C to 40° C (32° F to 104° F) Storage Temp. -10° C to 65° C (-14° F to 149° F) Operating
  • Linksys WRT54GX | User Guide - Page 72
    Wireless-G Broadband Router with SRX Appendix H: Warranty Information LIMITED WARRANTY Linksys warrants to You that, for a period of three years (the "Warranty Period"), your Linksys proves defective during the Warranty Period call Linksys Technical Support in order to obtain a Return Authorization
  • Linksys WRT54GX | User Guide - Page 73
    Wireless-G Broadband Router with SRX not installed and used according to the instructions, may cause harmful interference to radio user to obtain a license for the system according to the Canadian regulations. EC DECLARATION OF CONFORMITY (EUROPE) Linksys declares that the Wireless-G Broadband Router
  • Linksys WRT54GX | User Guide - Page 74
    the European R&TTE directive 1999/5/EC. For more details on legal combinations of power levels and antennas, contact Linksys Corporate Compliance. Linksys vakuuttaa täten että Wireless-G Broadband Router tyyppinen laite on direktiivin 1999/5/EY oleellisten vaatimusten ja sitä koskevien näiden
  • Linksys WRT54GX | User Guide - Page 75
    Wireless-G Broadband Router with SRX Appendix J: Contact Information Need to contact Linksys? Visit us online for information on the latest products and updates to in this Guide.) http://www.linksys.com or ftp.linksys.com 800-546-5797 (LINKSYS) 949-823-3002 800-326-7114 [email protected] 949-
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A Division of Cisco Systems, Inc.
®
Model No.
Broadband Router
Wireless-
G
WRT54GX
User Guide
WIRELESS
GHz
2.4
802.11g
with SRX