Linksys BEFSRU31, BEFSR41 manual Copyright & Trademarks

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COPYRIGHT & TRADEMARKS

Copyright © 2002 Linksys, All Rights Reserved. Instant Broadband is a registered trademark of Linksys. Microsoft, Windows, and the Windows logo are registered trade- marks of Microsoft Corporation. All other trademarks and brand names are the proper- ty of their respective proprietors.

LIMITED WARRANTY

Linksys guarantees that every Instant Broadband EtherFast Cable/DSL Router will be free from physical defects in material and workmanship for one year from the date of purchase, when used within the limits set forth in the Specification section of this User Guide. If the product proves defective during this warranty period, call Linksys Customer Support in order to obtain a Return Authorization number. BE SURE TO HAVE YOUR PROOF OF PURCHASE ON HAND WHEN CALLING. When returning a product, mark the Return Authorization number clearly on the outside of the package and include a copy of your original proof of purchase. RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE. All customers located outside of the United States of America and Canada shall be held responsible for shipping and handling charges.

IN NO EVENT SHALL LINKSYS’ LIABILITY EXCEED THE PRICE PAID FOR THE PROD- UCT FROM DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAM- AGES RESULTING FROM THE USE OF THE PRODUCT, ITS ACCOMPANYING SOFT- WARE, OR ITS DOCUMENTATION. LINKSYS OFFERS NO REFUNDS FOR ITS PROD- UCTS. Linksys makes no warranty or representation, expressed, implied, or statutory, with respect to its products or the contents or use of this documentation and all accom- panying software, and specifically disclaims its quality, performance, merchantability, or fitness for any particular purpose. Linksys reserves the right to revise or update its products, software, or documentation without obligation to notify any individual or entity. Please direct all inquiries to:

Linksys P.O. Box 18558, Irvine, CA 92623.

FCC STATEMENT

The Instant Broadband EtherFast Cable/DSL Router has been tested and complies with the specifications for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio fre- quency energy and, if not installed and used according to the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which is found by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna

Increase the separation between the equipment or devices

Connect the equipment to an outlet other than the receiver’s

Consult a dealer or an experienced radio/TV technician for assistance

UG-BEFSR11/41/U31-011220C-JL

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Contents EtherFast Cable/DSL Routers Copyright & Trademarks Table of Contents Introduction FeaturesPackage Contents for the 4-Port Router BEFSR41 One Linksys EtherFast Cable/DSL RouterPackage Contents for the 1-Port Router BEFSR11 Package Contents for the 3-Port Router BEFSRU314-Port Router’s Rear Panel LAN IndicatorsGetting to Know the 4-Port EtherFast Cable/DSL Router Port Router’s Front Panel LEDsOne-Port Router’s Ports Getting to Know the 1-Port EtherFast Cable/DSL RouterOne-Port Router’s Rear Panel WAN Indicators Port 1-Port Router’s Front Panel LEDsGetting to Know the 3-Port EtherFast Cable/DSL Router 3-Port Router’s Rear Panel PortsButtons 3-Port Router’s Front Panel LEDsWhat’s an IP Address? OverviewIP Addressing a Quick Lesson LANs and WANsDynamic IP Addresses Dhcp Dynamic Host Configuration Protocol ServersConnecting Your Hardware Together and Booting Up Uplinking Connecting More Devices to Your Router Technical CheckpointInstalling the BEFSRU31’s USB Port Drivers Installing the Windows 98 DriverInstant Broadband Series Installing the Windows 2000 Driver Instant Broadband Series Installing the Windows Millennium Driver Installing the Windows XP Driver Configuring Your Network with the Cable/DSL Router Configuring PCs to Connect to the Cable/DSL RouterConfiguring the Cable/DSL Router Quick & Easy Router Administration Cable/DSL Router’s Web- based UtilitySetup Password Status StatusDhcp LogSecurity ZoneAlarm Pro SettingsPC-cillin Settings Software DownloadHelp Dynamic RoutingIP Filtering Using Port Triggering Using Remote UpgradeUsing MTU Maximum Transmission Unit IP ForwardingDynamic Routing Static Routing StaticDMZ Hosting MAC Address Clone TroubleshootingCommon Problems and Solutions Frequently Asked Questions When I enter a URL or IP address, I get a time out errorCan’t access my e-mail or the Internet Can’t obtain an IP address from my cable or DSL modemInstant Broadband Series Glossary Instant Broadband Series Instant Broadband Series Instant Broadband Series Instant Broadband Series Instant Broadband Series Instant Broadband Series Step One Pinging an IP Address How to Ping Your ISP’s E-mail & Web AddressesAppendix Installing the TCP/IP Protocol Step Two Pinging for a Web AddressTCP/IP Installation is now complete Twisted-Pair CablingCrimping Your Own Network Cables Port Router SpecificationsPort Environmental Specifications Straight-Through Cabling Cross-Over CablingBEFSR11 Customer Support Copyright 2002 Linksys, All Rights Reserved