Instant Broadband™ Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Use this Guide to install: BEFSR41W EtherFast Cable/DSL Wireless-Ready Router with 4-Port Switch User Guide
COPYRIGHT & TRADEMARKS Copyright © 2002 Linksys, All Rights Reserved. Instant Broadband is a registered trademark of Linksys. 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 BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Table of Contents Chapter 1: Introduction Linksys Cable/DSL Wireless-Ready Router Features Package Contents Minimum Requirements 1 1 1 2 2 Chapter 2: Getting to Know the Cable/DSL Wireless-Ready Router The Cable/DSL Wireless-Ready Router’s Rear Panel The Wireless PC Card (not included) The Reset Button The Cable/DSL Wireless-Ready Router’s Front Panel LEDs 3 3 4 4 5 Chapter 3: Connecting the Cable/DSL Wireless-Rea
EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Chapter 1: Introduction The Linksys Cable/DSL Wireless-Ready Router Congratulations on your purchase of an EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch. The EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch provides the ideal solution for connecting your network to a highspeed broadband Internet connection and a 10/100 Fast Ethernet backbone, with the option to add wireless capabilities.
Instant BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Chapter 2: Getting to Know the Cable/DSL Wireless-Ready Router The Cable/DSL Wireless-Ready Router’s Rear Panel The back panel of the Router is where all of the Router’s connections are made.
Instant BroadbandTM Series The Wireless-PC Card EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch The Cable/DSL Wireless-Ready Router’s Front Panel LEDs The Wireless PC Card (not included) To add wireless capabilities, a WPC11 (sold separately) is required. Power off the Router. Insert the WPC11 in the manner shown above in the warning label. Push the WPC11 into the BEFSR41W until it is securely held in place by the PCMCIA Slot. Figure 2-3 Diag Red.
Instant BroadbandTM Series WLAN Green. The WLAN LED illuminates when a wireless network is active. WAN Green. The WAN LED illuminates when a successful connection is made between the Router and your Broadband device or network. When blinking, the Router is sending or receiving data over the broadband port.
Instant BroadbandTM Series Dynamic IP Addresses A dynamic IP address is an IP address that is automatically assigned to a client station (computer, printer, etc.) in a TCP/IP network. Dynamic IP addresses are typically assigned by a DHCP server, which can be a computer on the network or another piece of hardware, such as the Router. A dynamic IP address might change every time your computer connects to the network. EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch 6.
Instant BroadbandTM Series Configuring Your PCs to Connect to the Cable/DSL Wireless-Ready Router EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch 4. Click the Properties button, and then choose the IP Address tab. Select Obtain an IP address automatically. (See Figure 3-2.) Click on the Gateway tab and make sure that all fields there are empty. Click OK. Now that your Router is physically installed, you will have to configure your PCs to accept the IP addresses that your Router will provide.
Instant BroadbandTM Series Chapter 4: Adding Wireless Capabilities to Your Router Now that your Cable/DSL Wireless-Ready Router is wired into your network, you can make your Router wireless. You can also wait until a later time. You will need a WPC11 Wireless PC Card (sold separately.) EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch 3. Configure the wireless functions of the web utility using the following instructions. (Refer to Chapter 6 for more information.) A.
Instant BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch • Access Control Provides access to your network for other PCs. You’ll need to enter the MAC Address, then click on Add for any PC that you want to add. Click on Apply when finished. • Channel Select the appropriate channel from the list provided to correspond with your network settings, between 1 and 11. All points in your wireless network must use the same channel in order to function correctly.
Instant BroadbandTM Series Chapter 5: Configuring Your Network with the Cable/DSL Wireless-Ready Router EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch 2. A username and password prompt will appear. Leave the User Name box empty and type admin (the default password) in the Password box. Click OK. (See Figure 5-2.) Configuring the Cable/DSL Wireless-Ready Router Now that your Cable/DSL Wireless-Ready Router is wired into your network, you can begin configuring your system.
Instant BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch 4. Configure the following values. Note: All of this information should be readily available from your ISP. Host Name & Domain Name These fields allow you to supply a host and domain name for the Router. Some ISPs require these names as identification. You may have to check with your ISP to see if your Broadband Internet service has been configured with a host and domain name.
Instant BroadbandTM Series Chapter 6: The Cable/DSL Wireless-Ready Router’s Webbased Utility EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Setup p Quick & Easy Administration For your convenience, an administrative utility has been programmed into the chipset of your router. All router-based administrative tasks are performed through this web utility. The web utility can be accessed by any PC on the network by typing http://192.168.1.1 into the PC’s web browser address window.
Instant BroadbandTM Series • ESSID The ESSID is the unique name that is shared among all points in a wireless network. The ESSID must be identical for all points in the network. It is case sensitive and must not exceed 32 characters. Make sure that all points in the network are the same. Verify that you are using the correct ESSID. • Access Control Provides access to your network for other PCs. You’ll need to enter the MAC Address, then click on Add for any PC that you want to add.
Instant BroadbandTM Series Setting WEP Encryption EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch 3. The following screen will appear, verifying that you are enabling WEP Encryption. Press the OK button to continue. (See Figure 6-4.) Note: WEP Encryption is an additional data security measure that is not essential for Router operation, but is strongly recommended.
Instant BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Status Password This tab displays the current status of the Router; it reflects data and selections that you have entered under the setup tab. Figure 6-6 It is strongly recommended that you set a password for the router. When you first power up the router, you will notice that the Password setting default is admin.For security, we recommend that you change your password often.
Instant BroadbandTM Series • DHCP Release Click the DHCP Release button to release the WAN IP address from the Router. • DHCP Renew Click the DHCP Renew button to get the new WAN IP address from your ISP. • DHCP Clients Table Click on the Clients Table button to show the current DHCP Client information. (This information is stored in temporary memory, so the list of clients could disappear.
Instant BroadbandTM Series Log EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Help This tab shows the status of Logging on the Router. If you enable logging, the Router will keep a record of all sites on the Internet (i.e., e-mail, ftp sites, etc.) that have been accessed through the Router. Under the Help tab, you’ll find links to all of the Router’s internal support documentation, including the application that upgrades the Router’s firmware.
Instant BroadbandTM Series UPnP EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Filters This screen shows the Universal Plug and Play services that are available. Filters block specific internal users from accessing the Internet. You can set up a filter through an IP address or a network port number. Filtered Private IP Range • To set up a filter using IP addresses, enter the range of IP addresses you wish to filter in the IP address fields.
Instant BroadbandTM Series • Click on Apply to save any changes. EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Port Forwarding Port Using IPSec Pass Through • This feature lets you use IPSec Pass Through. To use this feature, click on Enable next to “IPSec Pass Through,” then click on Apply. • To disable IPSec Pass Through, click on Disable, and then click on Apply.
Instant BroadbandTM Series • Telnet A terminal emulation protocol commonly used on the Internet and TCP/IP-based networks. It allows a user at a terminal or computer to log on to a remote device and run a program. • SMTP (Simple Mail Transfer Protocol) The standard e-mail protocol on the Internet. It is a TCP/IP protocol that defines the message format and the message transfer agent (MTA), which stores and forwards the mail.
Instant BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Dynamic Routing Figure 6-15 Figure 6-14 To add a server using Port Range Forwarding: 1. Enter the name of the application in the appropriate Customized Applications field. Continue with the fields on the same line. 2. In the Ext. Port field, enter the number of the external port used by the server. 3. Check Protocol TCP or Protocol UDP, depending on which protocol you use.
Instant BroadbandTM Series EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Static Routing Subnet Mask The Subnet Mask (also known as the Network Mask) determines which portion of an IP address is the network portion, and which portion is the host portion. In the example above, the Network Mask is 255.255.255.0.
Instant BroadbandTM Series DMZ Host EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch MAC Address Cloning Figure 6-18 Figure 6-17 The DMZ Host setting allows one local computer to be exposed to the Internet for the use of special-purpose services such as Internet gaming or video-conferencing. To expose one computer, enter the computer’s IP address and click the Apply button. Inactivate DMZ by entering a zero (0).
Instant BroadbandTM Series Appendix A: Troubleshooting Common Problems and Solutions This section provides possible solutions to problems regarding the installation and operation of the Cable/DSL Wireless-Ready Router. If your situation is described here, the problem should be solved by applying the corresponding solution. If you can’t find an answer here, check the Linksys website at www.linksys.com. 1. I can’t connect to the Cable/DSL Wireless-Ready Router.
Instant BroadbandTM Series Frequently Asked Questions What is the maximum number of IP addresses that the Cable/DSL Wireless-Ready Router will support? The Router will support up to 253 IP addresses. Is IPSec Pass-Thru supported by the Router? Yes, it is a built-in feature that the router automatically enables. Where is the Cable/DSL Wireless-Ready Router installed on the network? In a typical environment, the Router is installed between the Cable/DSL Modem and the LAN.
Instant BroadbandTM Series 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 NIC to 10Mbps or half duplex mode, and turn off the “Auto-negotiate” feature of your NIC as a temporary measure. (Please look at the Network Control Panel, in your Ethernet Adapter’s Advanced Properties tab.). Make sure that your proxy setting is disabled in the browser. Check our website at www.linksys.com for more information.
Instant BroadbandTM Series Appendix B: How to Obtain Your ISP’s E-mail & Web Addresses EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch 3. At the DOS command prompt, type ping mail. (assuming that the location for which you’re trying to find an IP address is configured as “mail”). Press Enter. Information such as the following data, taken from a ping of Microsoft Network’s e-mail server, will be displayed.
Instant BroadbandTM Series C:\>ping -a 24.53.32.4 Pinging mail.msnv3.occa.home.com [24.53.32.4] with 32 bytes of data: Reply Reply Reply Reply from from from from 24.53.32.4: 24.53.32.4: 24.53.32.4: 24.53.32.4: bytes=32 bytes=32 bytes=32 bytes=32 time<10ms time<10ms time<10ms time<10ms TTL=127 TTL=127 TTL=127 TTL=127 Ping statistics for 24.53.32.
Instant BroadbandTM Series 6. Find and double-click TCP/IP in the list on the right side. EtherFast® Cable/DSL Wireless-Ready Router with 4-Port Switch Appendix D: Twisted-Pair Cabling There are different grades, or categories, of twisted-pair cabling. Category 5 is the most reliable and is highly recommended. Category 3 is a good second choice. Straight-through cables are used for connecting computers to a hub.
Instant BroadbandTM Series bles Crimping Your Own Network For Straight-Through Cabling, see Figure D-3 and for Cross-Over Cabling, see Figure D-4.
Instant BroadbandTM Series DNS - The Domain Name System (DNS) is the way that Internet domain names are located and translated into Internet Protocol (IP) addresses. A domain name is a meaningful and easy-to-remember “handle” for an Internet address. DSSS - Also known as “Direct Sequence Spread Spectrum,” this is a variety of radio transmission methods that continuously change frequencies or signal patterns.
Instant BroadbandTM Series LAN - A local area network (LAN) is a group of computers and associated devices that share a common communications line and typically share the resources of a single processor or server within a small geographic area (for example, within an office building). MAC Address - The MAC (Media Access Control) 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.
Instant BroadbandTM Series UDP (User Datagram Protocol) - A communications method (protocol) that offers a limited amount of service when messages are exchanged between computers in a network that uses the Internet Protocol (IP). UDP is an alternative to the Transmission Control Protocol (TCP) and, together with IP, is sometimes referred to as UDP/IP. Like the Transmission Control Protocol, UDP uses the Internet Protocol to actually get a data unit (called a datagram) from one computer to another.
Instant BroadbandTM Series *Environmental Optional WPC11 (sold separately) required Environ Dimensions 7.31" x 1.88" x 6.16" (186 mm x 48 mm x 157 mm) Unit Weight 14.4 oz. (0.40 kg).
Instant BroadbandTM Series Appendix H: Contact Information For help with the installation or operation of this product, contact Linksys Customer Support at one of the phone numbers or Internet addresses below. Sales Information Tech Support RMA Issues Fax Email Web FTP Site 66 800-546-5797 (LINKSYS) 800-326-7114 949-261-1288 949-261-8868 support@linksys.com http://www.linksys.com ftp.linksys.
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