Instant Wireless® Series Wireless-G Broadband Router Use this guide to install: WRT54G User Guide
COPYRIGHT & TRADEMARKS Specifications are subject to change without notice. Copyright © 2002 Linksys, All Rights Reserved. Instant Wireless, Linksys, and the Linksys logo are registered trademarks of Linksys Group, Inc. Microsoft, Windows, and the Windows logo are registered trademarks of Microsoft Corporation. All other trademarks and brand names are the property of their respective proprietors.
Instant Wireless® Series • • • • • • • • • • Linksys Group vakuuttaa täten Instant Wireless® Wireless-G Broadband Router tyyppinen laite on direktiivin 1999/5/EY, direktiivin 89/336/EEC ja direktiivin 73/23/EEC oleellisten vaatimusten ja sitä koskevien näiden direktiivien muiden ehtojen mukainen.
Instant Wireless® Series Wireless-G Broadband Router Chapter 1: Introduction Appendix A: Troubleshooting Common Problems and Solutions Frequently Asked Questions 65 65 76 Appendix B: How to Ping Your ISP’s E-mail & Web Addresses 84 Appendix C: Configuring Wireless Security 87 Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter 90 Appendix E: Glossary 93 Appendix F: Specifications Environmental 110 111 Appendix G: Warranty Information 112 Appendix H: Contact Informati
Instant Wireless® Series Features IP Addresses • • • • What’s an IP Address? IP stands for Internet Protocol. Every device on an IP-based network, including PCs, print servers, and routers, requires an IP address to identify its “location,” or address, on the network. This applies to both the Internet and LAN connections. There are two ways of assigning an IP address to your network devices. You can assign static IP addresses or use the Router to assign IP addresses dynamically.
Instant Wireless® Series Wireless-G Broadband Router Notebook with Wireless-G Adapter 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.
Instant Wireless® Series Chapter 2: Getting to Know the Wireless-G Broadband Router The Router’s Back Panel Wireless-G Broadband Router The Reset Button The Reset button can be used in one of two ways: 1. Reboot the Router while keeping all of its settings. If the Router is having problems connecting to the Internet, press the Reset button for just a moment with a paper clip or a pencil tip. This clears up any jammed connections, and is similar to pressing the Reset button on your PC to reboot it. 2.
Instant Wireless® Series Wireless-G Broadband Router The WLAN Indicators The Internet Indicators Act Green. When the Act LED flickers, the wireless network is active. Link/Act Link Green. When the Link LED is continuously lit, the wireless network is available. Green. The Link/Act LED lights up when a successful connection is made between the Router and your cable or DSL modem (the Internet). The Link/Act LED flickers when the Router is sending or receiving data over the Internet port.
Instant Wireless® Series 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).
Instant Wireless® Series Wireless-G Broadband Router Wireless Connection to a PC Chapter 4: Configure the PCs If you want to use a wireless connection to access the Router, follow these instructions: Overview The instructions in this chapter will help you configure each of your computers to be able to communicate with the Router. 1. Before you begin, make sure that all of your network’s hardware is powered off, including the Router, PCs, and cable or DSL modem. 2.
Instant Wireless® Series Configuring Windows 98 and Millennium PCs Wireless-G Broadband Router 3. Click the IP Address tab. Select Obtain an IP address automatically. 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. If the word TCP/IP appears by itself, select that line.
Instant Wireless® Series Configuring Windows 2000 PCs Wireless-G Broadband Router 3. Make sure the box next to Internet Protocol (TCP/IP) is checked. Highlight Internet Protocol (TCP/IP), and click the Properties button. 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).
Instant Wireless® Series Configuring Windows XP PCs Wireless-G Broadband Router 3. Make sure the box next to Internet Protocol (TCP/IP) is checked. Highlight Internet Protocol (TCP/IP), and click the Properties button. 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.
Instant Wireless® Series 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.” The instructions from your ISP tell you how to set up your PC for Internet access.
Instant Wireless® Series Wireless-G Broadband Router Automatic Configuration - DHCP PPPoE If you are connecting through DHCP or a dynamic IP address from your ISP, perform these steps: If your DSL provider says that you are connecting through PPPoE (you use a user name and password to access the Internet), perform these steps: A. Keep the default setting, Automatic Configuration DHCP, as the Configuration Type. B.
Instant Wireless® Series 6. To configure the Router for your wireless network(s), perform these steps: A. If you have Wireless-G and 802.11b devices in your network, then keep the default Mode setting, Mixed. If you have only Wireless-G devices, select G-Only. If you want to disable wireless networking, select Disable. B. Customize the SSID and Channel settings as needed. For added security, you should change the default SSID (linksys) to a unique name. Then click the Apply button to save your changes.
Instant Wireless® Series Note: For added security, you should always change the password through the Security screen of the web-based utility. To save your changes on any page, click the Apply button. To cancel any unsaved changes on any page, click the Cancel button. To get additional information about any screen’s features, click the Help button. Setup The Setup screen is the first screen you see when you access the web-based utility.
Instant Wireless® Series Wireless-G Broadband Router Default Gateway Your ISP will provide you with the Default Gateway Address, which is the ISP server’s IP address. Static IP If you are required to use a permanent IP address to connect to the Internet, then select Static IP. DNS 1 (Required) and DNS 2-3 (Optional) Your ISP will provide you with at least one DNS (Domain Name System) Server IP Address. To save your changes on this page, click the Apply button.
Instant Wireless® Series Wireless-G Broadband Router User Name and Password Enter the User Name and Password provided by your ISP. Connect on Demand: Max Idle Time You can configure the Router to cut the Internet connection after it has been inactive for a specified period of time (Max Idle Time). If your Internet connection has been terminated due to inactivity, Connect on Demand enables the Router to automatically reestablish your connection as soon as you attempt to access the Internet again.
Instant Wireless® Series Keep Alive Option: Redial Period If you select this option, the Router will periodically check your Internet connection. If you are disconnected, then the Router will automatically re-establish your connection. To use this option, click the radio button next to Keep Alive. To use this option, click the radio button next to Keep Alive. In the Redial Period field, you specify how often you want the Router to check the Internet connection. The default Redial Period is 30 seconds.
Instant Wireless® Series Default Transmit Key Select which WEP key (1-4) will be used when the Router sends data. Make sure the receiving device is using the same key. WEP Encryption Select the level of WEP encryption you wish to use, 64bit 10 hex digits or 128-bit 26 hex digits. Higher encryption levels offer higher levels of security, but due to the complexity of the encryption, they may decrease network performance.
Instant Wireless® Series 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 specific filtering methods. Block Proxy - Use of WAN proxy servers may compromise the Router's security.
Instant Wireless® Series Wireless-G Broadband Router Upgrade Firmware New firmware versions are posted at www.linksys.com and can be downloaded for free. If the Router already works well, there’s no need to download a newer firmware version, unless that version has a new feature that you want to use. (To learn about any new firmware with new features, visit www.linksys.com.) Multicast Pass-Through IP Multicasting occurs when a single data transmission is sent to multiple recipients at the same time.
Instant Wireless® Series 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. Wireless-G Broadband Router The Outgoing Access Log gives you a log of all outgoing Internet traffic.
Instant Wireless® Series DHCP The DHCP screen allows you to configure the settings for 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 computer on your network. Wireless-G Broadband Router Number of DHCP Users (Optional) Enter the maximum number of PCs that you want the DHCP server to assign IP addresses to. This number cannot be greater than 253. The default is 50.
Instant Wireless® Series Wireless-G Broadband Router Status Firmware Version The version number of the firmware currently installed is displayed here. The Status screen displays the Router’s current status and configuration. All information is read-only. 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. This entry is necessary for some ISPs.
Instant Wireless® Series IP Address, Subnet Mask, and Default Gateway The Router’s IP Address, Subnet Mask, and Default Gateway Address, as seen by external users on the Internet, are displayed here. DNS The DNS (Domain Name System) IP Addresses currently used by the Router are shown here. Multiple DNS IP settings are common. In most cases, the first available DNS entry is used.
Instant Wireless® Series Wireless-G Broadband Router Advanced Tabs Advanced Wireless The following instructions are for advanced users or users whose setup needs require special configuration. When you click the Advanced tab, you will be able to set up these features. There are five additional tabs available. The Advanced Wireless screen allows you to customize data transmission settings. In most cases, the advanced wireless settings on this screen should remain at their default values.
Instant Wireless® Series Transmission Rate The default setting is Auto. The range is from 1 to 54Mbps. The rate of data transmission should be set depending on the speed of your wireless network. You can select from a range of transmission speeds, or keep the default setting, Auto, to have the Router automatically use the fastest possible data rate and enable the Auto-Fallback feature. Auto-Fallback will negotiate the best possible connection speed between the Router and a wireless client.
Instant Wireless® Series Wireless-G Broadband Router Filters The Filters screen allows you to block or allow specific kinds of Internet usage. You can set up Internet access policies for specific PCs and set up filters by using network port numbers. Figure 6-19 For each PC, the list shows—in real time—the Client Host Name, IP Address, MAC Address, and Enable MAC Filter option. To enable the MAC address filter for a specific PC, click its Enable MAC Filter box.
Instant Wireless® Series Internet Schedule Profile This feature allows you to customize up to ten different Internet Access Policies for particular PCs, which are identified by their IP or MAC addresses. For each policy’s designated PCs, during the days and time specified, the Router can do one or more of the following: • block or allow Internet access • block websites with specific URL addresses • block websites that use specific keywords in their URL addresses.
Instant Wireless® Series Summary To see a summary of all the policies, click the Summary button. The Internet Policy Summary screen will show each policy’s Number, Policy Name, Days, and Time of Day. To delete a policy, click its box, and then click the Delete button. Click the Close button to return to the Filters screen.
Instant Wireless® Series The following table shows the typical port forwarding settings for common Internet applications. Application External Port TCP UDP FTP 21 • Telnet 23 • SMTP 25 • DNS 53 • TFTP 69 • Finger 79 • HTTP 80 • POP3 110 • NNTP 119 • SNMP 116 Wireless-G Broadband Router Port Triggering Port Triggering is used for special Internet applications whose outgoing ports differ from the incoming ports.
Instant Wireless® Series Routing On the Routing screen, you can set the routing mode of the Router. Gateway mode is recommended for most users. Wireless-G Broadband Router the feature for both the WAN and LAN (including wireless), select Both. To disable the Dynamic Routing feature for all data transmissions, keep the default setting, Disable. (This feature is not available in Gateway mode.
Instant Wireless® Series Show Routing Table Click the Show Routing Table button to view all of the valid dynamic and static route entries in use (see Figure 6-26). The Destination IP address, Subnet Mask, Gateway, and Interface information are displayed for each entry. Click the Refresh button to display the most up-to-date data. Click the Close button to return to the Routing screen. Wireless-G Broadband Router DDNS The Router offers a Dynamic Domain Name System (DDNS) feature.
Instant Wireless® Series Wireless-G Broadband Router Internet IP Address The Router’s current Internet IP Address is displayed here. Appendix A: Troubleshooting Status The status of the DDNS service connection is displayed here. Common Problems and Solutions To save your changes on this page, click the Apply button. To cancel any unsaved changes on this page, click the Cancel button. To get more information about the features, click the Help button.
Instant Wireless® Series For Windows 2000: For Windows XP: 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. Select Use the following IP address option. D.
Instant Wireless® Series 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. Press the Enter key or click the OK button. C. In the command prompt, type ping 192.168.1.1 and press the Enter key. • If you get a reply, the computer is communicating with the Router.
Instant Wireless® Series of the web interface. If you assigned a static IP address to any computer or network device on the network, you need to change its IP address accordingly to 192.168.2.Y (Y being any number from 1 to 254). Note that each IP address must be unique within the network. Your VPN may require port 500/UDP packets to be passed to the computer that is connecting to the IPSec server. Refer to “Problem #7, I need to set up online game hosting or use other Internet applications” for details.
Instant Wireless® Series 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.
Instant Wireless® Series 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). Open the pdf that was downloaded along with the firmware and TFTP program, and follow the pdf ’s instructions. B.
Instant Wireless® Series • Manually configure the TCP/IP settings with a DNS address provided by your ISP. • Make sure that your browser is set to connect directly and that any dialup 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.
Instant Wireless® Series 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.
Instant Wireless® Series 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. Can the Router act as my DHCP server? Yes. The Router has DHCP server software built-in.
Instant Wireless® Series Wireless-G Broadband Router tuned to the right frequency, a spread-spectrum signal looks like background noise. There are two main alternatives, Direct Sequence Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS). How do I reset the Router? Press the Reset button on the back panel for about ten seconds. This will reset the Router to its default settings.
Instant Wireless® Series Appendix B: How to Ping Your ISP’s E-mail & Web Addresses Virtually all Internet addresses are configured with words or characters (e.g., www.linksys.com, www.yahoo.com, etc.) In actuality, however, these Internet addresses are assigned to 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.
Instant Wireless® Series Step Two: Pinging for a Web Address While the IP address returned above would work as your e-mail server address, it may not be permanent. IP addresses change all the time. Web addresses, however, usually don’t. Because of this, you’re likely to have fewer problems by configuring your system with web addresses rather than IP addresses. Follow the instructions below to find the web address assigned to the IP address you just pinged. 1. At the DOS command prompt, type ping -a 24.53.
Instant Wireless® Series 1. On the Setup tab of the Router’s web-based utility, click the Enable radio button next to WEP. Then click the Edit WEP Settings button. 2. You will see the 2.4GHz, 54g, Wireless-G (WEP) screen (Figure C-1). Next to Default Transmit Key, select which WEP key (1-4) will be used when the Router sends data. Make sure the receiving device is using the same key. Wireless-G Broadband Router 5. WEP keys enable you to create an encryption scheme for wireless LAN transmissions.
Instant Wireless® Series Appendix D: Finding the MAC Address and IP Address for Your Ethernet Adapter Wireless-G Broadband Router 3. Write down the Adapter Address as shown on your computer screen (see Figure E-3). This is the MAC address for your Ethernet adapter and will be shown as a series of numbers and letters. The MAC address/Adapter Address is what you will use for MAC address cloning or MAC filtering.
Instant Wireless® Series 2. In the command prompt, enter ipconfig /all. Then press the Enter key. Wireless-G Broadband Router Appendix E: Glossary 10BaseT - An Ethernet standard that uses twisted wire pairs. 100BaseTX - IEEE physical layer specification for 100 Mbps over two pairs of Category 5 UTP or STP wire. 802.11b - One of the IEEE standards for wireless networking hardware.
Instant Wireless® Series 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 – The part of a network that connects most of the systems and networks together and handles the most data.
Instant Wireless® Series 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. Using DDNS requires registering with a DDNS service provider on the Internet.
Instant Wireless® Series Fast Ethernet - A 100 Mbps technology based on the 10Base-T Ethernet CSMA/CD network access method. Full Duplex - The ability of a device or line to transmit data simultaneously in both directions. 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.
Instant Wireless® Series a corporation scale, or when it is necessary to connect the wired and wireless networks. resources of a single processor or server within a small geographic area (for example, within an office building). 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.
Instant Wireless® Series NetBIOS - The native networking protocol in DOS and Windows networks. Although originally combined with its transport layer protocol (NetBEUI), NetBIOS today provides a programming interface for applications at the session layer (layer 5). NetBIOS can ride over NetBEUI, its native transport, which is not routable, or over TCP/IP and IPX/SPX, which are routable protocols.
Instant Wireless® Series 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. It is used to test and debug a network by sending out a packet and waiting for a response.
Instant Wireless® Series 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 network.
Instant Wireless® Series 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 efficient delivery over the network.
Instant Wireless® Series Appendix F: Specifications Environmental Dimensions 7.32" x 6.89" x 1.89" (186 mm x 175 mm x 48 mm) Unit Weight 17 oz. (0.482 kg) One 10/100 RJ-45 Port for Cable/DSL Modem Four 10/100 RJ-45 Switched Ports One Power Port Power External, 5V DC, 2.5 A Certifications FCC Class B, CE Mark Button One Reset Button Operating Temp. 0°C to 40°C (32°F to 104°F) Cabling Type Category 5 Ethernet Network Cabling or better Storage Temp.
Instant Wireless® Series Appendix G: Warranty Information BE SURE TO HAVE YOUR PROOF OF PURCHASE AND A BARCODE FROM THE PRODUCT'S PACKAGING ON HAND WHEN CALLING. RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE. IN NO EVENT SHALL LINKSYS’S LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FROM DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT, ITS ACCOMPANYING SOFTWARE, OR ITS DOCUMENTATION. LINKSYS DOES NOT OFFER REFUNDS FOR ANY PRODUCT.
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