Linksys WRT54AG User Manual

Dual-band wireless a/g broadband router
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Dual-Band Wireless A/G

Broadband Router

Use this guide to install: WRT54AG
User Guide

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Summary of Contents for Linksys WRT54AG

  • Page 1: Broadband Router

    Dual-Band Wireless A/G Broadband Router Use this guide to install: WRT54AG User Guide...
  • Page 2 If the product proves defective during this warranty period, go to the Linksys website at www.linksys.com for complete RMA (Return Merchandise Authorization) assistance. You can also call Linksys Technical Support in order to obtain a RMA Number. BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT’S PACK- AGING ON HAND WHEN CALLING.
  • Page 3: Table Of Contents

    • Linksys Group déclare que la Dual-Band Wireless A/G Broadband Router est con- forme aux conditions essentielles et aux dispositions relatives à la directive 1999/5/EC, la directive 89/336/EEC, et à la directive 73/23/EEC.
  • Page 4: Chapter 1: Introduction

    Internet. Configuration is a snap with the web browser-based configuration utility. With the Linksys Dual-Band Wireless A/G Broadband Router at the center of your home or office network, you can share a high-speed Internet connection,...
  • Page 5: Features

    Features • Compatibility with 802.11g (2.4GHz) and 802.11b (2.4GHz) Standards • Setup Wizard for Easy Installation • Wireless Security with up to 152-bit WEP Encryption • Enhanced Security Management Functions: Internet Access Policies with Time Schedules, Website Blocking, IP and MAC Address Filtering; Port Filtering;...
  • Page 6: Router Setup Overview

    Dynamic IP Addresses A dynamic IP address is automatically assigned to a device on the network, such as PCs and print servers. These IP addresses are called “dynamic” because they are only temporarily assigned to the PC or device. After a certain time period, they expire and may change.
  • Page 7: Chapter 2: Getting To Know The Dual-Band Wireless A/G Broadband Router

    Chapter 2: Getting to Know the Dual-Band Wireless A/G Broadband Router The Router’s Back Panel Figure 2-1 The Router’s ports are located on the Router’s back panel, as shown in Figure 2-1. Internet The Internet port is where you connect your cable or DSL modem through an Ethernet network cable.
  • Page 8 The WLAN Indicators Link Green. When the Link LED is continuously lit, the wireless network is available. The LAN Indicators Link/Act Green. The Link/Act LED serves two purposes. If the LED is continuously lit, the Router is successfully connected to a device through the corresponding port.
  • Page 9: Chapter 3: Connect The Router

    Chapter 3: Connect the Router Overview The Router’s setup consists of more than simply plugging hardware together. You will have to configure your networked PCs to accept the IP addresses that the Router assigns them (if applicable), and you will also have to configure the Router with setting(s) provided by your Internet Service Provider (ISP).
  • Page 10: Wireless Connection To A Pc

    4. Power on one of the PCs on your wireless network(s). 5. For initial access to the Router through a wireless connection, make sure the PC’s wireless adapter has its SSID set to linksys (the Router’s default set- ting), and its WEP encryption is disabled. After you have accessed the Router, you can change the Router and this PC’s adapter settings to match...
  • Page 11: Configuring Windows 98 And Millennium Pcs

    Configuring Windows 98 and Millennium PCs 1. Click the Start button. Select Settings and click the Control Panel icon. Double-click the Network icon. 2. On the Configuration tab, select the TCP/IP line for the applicable Ethernet adapter. Do not choose a TCP/IP entry whose name mentions DUN, PPPoE, VPN, or AOL.
  • Page 12: Configuring Windows 2000 Pcs

    Configuring Windows 2000 PCs 1. Click the Start button. Select Settings and click the Control Panel icon. Double-click the Network and Dial-up Connections icon. 2. Select the Local Area Connection icon for the applicable Ethernet adapter (usually it is the first Local Area Connection listed). Double-click the Local Area Connection.
  • Page 13: Configuring Windows Xp Pcs

    Configuring Windows XP PCs The following instructions assume you are running Windows XP with the default interface. If you are using the Classic interface (where the icons and menus look like previous Windows versions), please follow the instructions for Windows 2000. 1.
  • Page 14: Chapter 5: Configure The Router's Basic Settings

    Chapter 5: Configure the Router’s Basic Settings This chapter will show you how to configure the Router to function in your network and gain access to the Internet through your Internet Service Provider (ISP). Detailed description of the Router’s web-based utility can be found in “Chapter 6: The Router’s Web-based Utility.”...
  • Page 15 Automatic Configuration - DHCP If you are connecting through DHCP or a dynamic IP address from your ISP, perform these steps (from the screen shown in Figure 5-3): A. Keep default setting, Automatic Configuration DHCP, as the Configuration Type. B. Click the Apply button to save the setting, or click the Cancel button to clear the setting and start over.
  • Page 16: Chapter 6: The Router's Web-Based Utility

    (as shown in Figure 5-7). Figure 5-7 If you need more details or advanced setting information, please refer to “Chapter 6: The Router’s Web-based Utility” or the Linksys support web- site at support.linksys.com. Congratulations! You’ve successfully configured the Router.
  • Page 17: Setup

    Firmware Version This shows the version and date of the firmware you are using. Future versions of the Router’s firmware will be posted and available for download on the Linksys website at www.linksys.com. Time Zone Select the time zone for your location. If your location experiences daylight savings, leave the checkmark in the box next to Automatically adjust clock for daylight saving changes.
  • Page 18 Static IP If you are required to use a permanent IP address to connect to Internet, then select Static IP. Internet IP Address This is the Router’s IP address, when seen from the WAN, or the Internet. Your ISP will provide you with the IP Address you need to specify here.
  • Page 19 PPTP Point to Point Tunneling Protocol (PPTP) is a service that applies to connections in Europe only (see Figure 6-6). Internet IP Address This is the Router’s IP address, when seen from the Internet. Your ISP will provide you with the IP Address you need to specify here.
  • Page 20 32 characters (use any 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.
  • Page 21 32 characters (use any 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-g) to a unique name.
  • Page 22: Security

    Passphrase. This Passphrase is used to generate one or more WEP keys. It is case-sensitive and should not be longer than 16 alphanumeric characters. This Passphrase function is compatible with Linksys wireless products only. [If you want to communicate with non-Linksys wireless products, enter the WEP key(s) manually on the non-Linksys wireless products.] After you enter the...
  • Page 23: System

    PPTP - Point-to-Point Tunneling Protocol is the method used to enable VPN sessions to a Windows NT 4.0 or 2000 server. To allow PPTP tunnels to pass through the Router, PPTP Pass-Through is enabled by default. To disable PPTP Pass-Through, uncheck the box next to PPTP. Web Filters Using the Web Filters feature, you may enable up to four specif- ic filtering methods.
  • Page 24 Router’s set- tings before you upgrade its firmware. To upgrade the Router’s firmware: 1. Download the firmware upgrade file from www.linksys.com, and extract the file using a file archive utility such as WinZip. 2. Click the Upgrade button.
  • Page 25 To remotely manage the Router, enter http://xxx.xxx.xxx.xxx:8080 (the x’s represent the Router's Internet IP address, and 8080 represents the specified port) in your web browser’s Address field. You will be asked for the Router’s password. After successfully entering the password, you will be able to access the Router’s web-based utility.
  • Page 26: Dhcp

    DHCP The DHCP screen, shown in Figure 6-16, allows you to configure the settings for the Router’s Dynamic Host Configuration Protocol (DHCP) server func- tion. The Router can be used as a DHCP server for your network. A DHCP server automatically assigns an IP address to each computer on your network. Figure 6-16 If you choose to enable the Router’s DHCP server option, you must configure all of your network PCs to connect to a DHCP server (the Router), and make...
  • Page 27: Snmp

    SNMP The SNMP tab, shown in Figure 6-18, allows you to customize the Simple Network M a n a g e m e n t P r o t o c o l (SNMP) set- tings. SNMP is a popular net- work monitor- ing and manage- ment protocol.
  • Page 28 Firmware Version The version number of the firmware currently installed is displayed here. Current Time The current date and time are displayed here. Host Name The Host Name is the name of the Router. This entry is necessary for some ISPs. Domain Name The Domain Name is the name of the Router's domain.
  • Page 29: Help

    Help screen. Figure 6-20 Linksys Website Clicking this link will take you to Linksys’s website, www.linksys.com, provided you are connected to the Internet. Online User Guide in PDF Format and Adobe Website Clicking the Online User Guide in PDF format link opens the Router’s User Guide.
  • Page 30: Advanced Wireless

    Advanced Wireless The Advanced Wireless screen, shown in Figure 6-21, allows you to customize data transmission settings. In most cases, the advanced wireless settings on this screen should remain at their default values. Figure 6-21 Wireless MAC Filters Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your network’s radius.
  • Page 31 Internet Filter The Internet Filter tab, shown in Figure 6-22, allows you to block or allow spe- cific kinds of Internet usage. You can set up Internet access policies for specif- ic PCs and set up filters by using network port numbers. Figure 6-22 Internet Access Policy Multiple Filters can be saved as Internet Access Policies.
  • Page 32: Port Forwarding

    3. Select if you wish to Disable or Enable Internet access for those PCs you listed on the List of PCs screen by clicking the radio button beside either option. 4. You filter access to various services accessed over the Internet, such as FTP or Telnet, by selecting a service from the...
  • Page 33 The following table shows the typical port forwarding settings for common Internet applications. Application External Port • Telnet • SMTP • TFTP Finger • HTTP • POP3 • NNTP • SNMP Customized Applications In the field provided, enter the name you wish to give each application.
  • Page 34: Routing

    Routing On the Routing screen, shown in Figure 6-28, you can set the routing mode of the Router. Gateway mode is recommended for most users. Figure 6-28 Note: The Routing screen and available features will vary depending on which mode you select. To set up routing: 1.
  • Page 35: Appendix A: Troubleshooting

    Router. Read the descrip- tions below to help you solve your problems. If you can’t find an answer here, check the Linksys website at www.linksys.com. 1. I need to set a static IP address on a PC.
  • Page 36 For Windows 2000: A. Click Start, Settings, and Control Panel. Double-click Network and Dial-Up Connections. B. Right-click the Local Area Connection that is associated with the Ethernet adapter you are using, and select the Properties option. C. In the Components checked are used by this connection box, highlight Internet Protocol (TCP/IP), and click the Properties button.
  • Page 37 B. Open a command prompt. • For Windows 98 and Me, please click Start and Run. In the Open field, type in command. Press the Enter key or click the OK button. • For Windows NT, 2000, and XP, please click Start and Run. In the Open field, type cmd.
  • Page 38 IPSec server. Refer to “Problem #7, I need to set up online game hosting or use other Internet applications” for details. Check the Linksys website for more information at www.linksys.com. 6. I need to set up a server behind my Router and make it available to the public.
  • Page 39 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 http://www.linksys.com and download the latest firmware. B. To upgrade the firmware, follow the steps in the System section found in...
  • Page 40 13. The firmware upgrade failed, and/or the Diag LED is flashing. The upgrade could have failed for a number of reasons. Follow these steps to upgrade the firmware and/or make the Diag LED stop flashing: A. If the firmware upgrade failed, use the TFTP program (it was downloaded along with the firmware).
  • Page 41: Frequently Asked Questions

    Does the Router support any operating system other than Windows 95, Windows 98, Windows Millennium, Windows 2000, Windows NT, or Windows XP? Yes, but Linksys does not, at this time, provide technical support for setup, con- figuration or troubleshooting of any non-Windows operating systems.
  • Page 42 Linksys website, www.linksys.com. How will I be notified of new Router firmware upgrades? All Linksys firmware upgrades are posted on the Linksys website 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...
  • Page 43 How can I check whether I have static or DHCP IP Addresses? Consult your ISP to obtain this information. 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.
  • Page 44 How many channels/frequencies are available with the Router? There are eleven available channels, ranging from 1 to 11 (in North America). If your questions are not addressed here, refer to the Linksys website, www.linksys.com.
  • Page 45: Appendix B: How To Ping Your Isp's E-Mail & Web Addresses

    IP addresses, which are the true addresses on the Internet. For example, www.yahoo.com is 66.218.71.87 (this IP address may change). Type it into your web browser and you will wind up at the Linksys home page every time. There are servers that translate the URL to an IP address;...
  • Page 46: Appendix C: Configuring Wireless Security

    WEP encryption has been called 40-bit because it uses a 40-bit secret key along with a 24-bit Initialization Vector (40 + 24 = 64). Wireless vendors may use either name. Linksys uses the term “64-bit” when referring to this level of encryption. All wireless devices compliant with the 802.11b standard will sup- port 64-bit WEP.
  • Page 47 It is case-sensitive and should not be longer than 16 alphanumeric characters. (This Passphrase function is compatible with Linksys wireless products only. If you want to communicate with non-Linksys wireless prod- ucts, enter the WEP key manually on the non-Linksys wireless products.) After you enter the Passphrase, click the Generate button to create WEP keys.
  • Page 48: Appendix D: Finding The Mac Address And Ip Address For Your Ethernet Adapter

    Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter This section describes how to find the MAC address for your Ethernet adapter to do either MAC address filtering or MAC address cloning for the Router and ISP.
  • Page 49: Appendix E: Glossary

    802.1g - A proposed, but as yet unratified extension of the IEEE 802.11 stan- dard for wireless networking hardware. The draft 802.11g specifications used by Linksys specify a maximum data transfer rate of 54Mbps using OFDM modulation, an operating frequency of 2.4GHz, backward compatibility with IEEE 802.11b devices, and WEP encryption for security.
  • Page 50 Auto-negotiate - To automatically determine the correct settings. The term is often used with communications and networking. For example, Ethernet 10/100 cards, hubs, and switches can determine the highest speed of the node they are connected to and adjust their transmission rate accordingly. Backbone –...
  • Page 51 DDNS (Dynamic Domain Name System) - Allows a network device with a dynamic Internet IP address to have a fixed host and domain name, such as myhostname.mydomainname.com. It is useful when you are hosting your own website, FTP server, or other server behind a router, so people can find your site no matter how often the Internet IP address changes.
  • Page 52 Fast Ethernet - A 100 Mbps technology based on the 10Base-T Ethernet CSMA/CD network access method. FHSS (Frequency Hopping Spread Spectrum) - FHSS continuously changes (hops) the carrier frequency of a conventional carrier several times per second according to a pseudo-random set of channels. Because a fixed frequency is not used, and only the transmitter and receiver know the hop patterns, interception of FHSS is extremely difficult.
  • Page 53 a corporation scale, or when it is necessary to connect the wired and wireless networks. IP Address - In the most widely installed level of the Internet Protocol (IP) today, an IP address is a 32-binary digit number that identifies each sender or receiver of information that is sent in packets across the Internet.
  • Page 54 Passphrase - Used much like a password, a passphrase simplifies the WEP encryption process by automatically generating the WEP encryption keys for Linksys products. PC Card - A credit-card sized removable module that contains memory, I/O, or a hard disk.
  • Page 55 PCMCIA - The PCMCIA (Personal Computer Memory Card International Association) is an industry group organized in 1989 to promote standards for a credit card-size memory or I/O device that would fit into a personal computer, usually a notebook or laptop computer. Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.
  • Page 56 SNMP (Simple Network Management Protocol) - A widely used network monitoring and control protocol. Data is passed from SNMP agents, which are hardware and/or software processes reporting activity in each network device (hub, router, bridge, etc.) to the workstation console used to oversee the net- work.
  • Page 57 TX Rate – Transmission Rate. UDP (User Datagram Protocol) - A method (protocol) used along with the IP (Internet Protocol) to send data in the form of message units (datagram) between network devices over a LAN or WAN. While IP takes care of handling the actual delivery of the data (routing), UDP takes care of keeping track of the individual units of data (called packets) that a message is divided into for effi- cient delivery over the network.
  • Page 58: Appendix F: Specifications

    Appendix F: Specifications Model WRT54AG Standards IEEE802.3, IEEE802.3u,IEEE802.11a, IEEE802.11b, IEEE802.11g Channels 802.11a 8 Channels (US, Canada) 802.11b / 802.11g 11 Channels (US, Canada) 13 Channels (Europe) 14 Channels (Japan) Ports Internet: One 10/100 RJ-45 Port for Cable/DSL Modem LAN: Four 10/100 RJ-45 Switched Ports...
  • Page 59: Appendix G: Warranty Information

    CALL LINKSYS FOR MORE DETAILS. Dual-Band Wireless A/G Broadband Router Appendix H: Contact Information For help with the installation or operation of the Wireless-G Broadband Router, contact Linksys Technical Support at one of the phone numbers or Internet addresses below. Sales Information 800-546-5797 (1-800-LINKSYS)
  • Page 60 © Copyright 2004 Linksys, All Rights Reserved.

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