Linksys BEFSR81 manual What’s in this Guide?

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EtherFast Cable/DSL Router with 8-Port Switch

What’s in this Guide?

This user guide covers the basic steps for setting up a network with a router. After going through “Chapter 3:

Getting to Know the Router,” most users will only need to use the following chapters:

•Chapter 4: Connecting the Router

This chapter instructs you on how to connect the cable or DSL modem to the Router and connect the PC(s) to the Router.

•Chapter 5: Configuring the PCs

This chapter instructs you on how to configure your PC(s) for a DHCP connection, if the network settings are not already set to DHCP.

•Chapter 6: Configuring the Router

This chapter explains how to configure the Router using your web browser and the Router’s Web-based Utility. You will configure the Router using the settings provided by your ISP.

When you’re finished with the basic steps, then you are ready to connect to the Internet.

You also have other chapter available for reference:

•Chapter 1: Introduction

This chapter describes the Router’s applications and this User Guide.

•Chapter 2: Networking Basics

This chapter briefly explains how a network functions.

•Chapter 7: Using the Router’s Web-based Utility

This chapter describes the Web-based Utility and the features available, so you can use and alter advanced configuration settings.

•Appendix A: Troubleshooting

This appendix describes some possible problems and solutions, as well as frequently asked questions, regarding installation and use of the Router.

•Appendix B: Upgrading Firmware

This appendix explains how you can upgrade the Router’s firmware.

•Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter

This appendix instructs you on how to find the MAC address or Ethernet address of your PC’s Ethernet network adapter.

Chapter 1: Introduction

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What’s in this Guide?

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Contents Cable/DSL Router Word definition How to Use this GuideCopyright and Trademarks Table of Contents Appendix a Troubleshooting Common Problems and Solutions Frequently Asked QuestionsAppendix B Upgrading Firmware Ethernet AdapterList of Figures Back PanelDdns Disabled Introduction WelcomeWhat’s in this Guide? EtherFast Cable/DSL Router with 8-Port Switch Use of IP Addresses Networking BasicsAn Introduction to LANs Networking Basics Use of IP Addresses Reset Button Reset button can be used in one of two ways Getting to Know the RouterFront Panel Connecting the Router OverviewConnection Instructions Connect a PCConfiguring the PCs Configuring Windows 98 and Millennium PCsConfiguring Windows 2000 PCs Configuring Windows XP PCsInternet Protocol TCP/IP for Windows XP Configuring the Router InstructionsObtain an IP Automatically or Dhcp Static IPPPPoE RASHeart Beat Signal PptpUsing The Router’s Web-based Utility SetupNavigating the Utility SecurityQuick and Easy Administration AdministrationApplications & Gaming StatusBasic Setup Internet SetupRAS for SingTel PPPoEHeart Beat Signal PptpRouter IP Network SetupOptional Settings Network Address Server Settings Dhcp DdnsTZO.com MAC Address CloneDynDNS.org Advanced Routing MAC CloneFilter 14 Routing TableFilter IP Address Range Filter Port RangeFilter MAC Address Block WAN RequestsPort Range VPN PassthroughPort Range Forwarding Forwarded Range Port TriggeringTriggered Range UPnP Forwarding 20 UPnP ForwardingDMZ Application-based QoS QoSQoS Router Access Local Router AccessManagement Port-based QoSRemote Router Access IdentificationLog UPnPFactory Defaults 25 Incoming Log TableFirmware Upgrade Upgrade FirmwareRouter InformationLocal Network 31 Local NetworkAppendix a Troubleshooting Common Problems and SolutionsFor Windows 98 and Millennium For WindowsFor Windows XP For Windows 98 and Millennium EtherFast Cable/DSL Router with 8-Port Switch Am not able to access the Router’s Web-based Utility Setup Need to set up a server behind my RouterApplication Start and End Protocol IP Address Enabled TCPCan’t get the Internet game, server, or application to work To start over, I need to set the Router to factory default Need to upgrade the firmwareFor Microsoft Internet Explorer 5.0 or higher For Netscape 4.7 or higherFirmware upgrade failed My DSL service’s PPPoE is always disconnectingNeed to use port triggering Frequently Asked Questions Where is the Router installed on the network?Is IPSec Passthrough supported by the Router? Does the Router support IPX or AppleTalk?How can I block corrupted FTP downloads? What is DMZ Hosting? Will the Router function in a Macintosh environment?Is the Router cross-platform compatible? How many ports can be simultaneously forwarded?How can I check whether I have static or Dhcp IP addresses? How do I get mIRC to work with the Router?Figure B-1 Upgrade Firmware Appendix B Upgrading FirmwareWindows 98 or Me Instructions Windows 2000 or XP InstructionsFor the Router’s Web-based Utility Figure C-3 MAC Address/Physical AddressNetwork Neighborhood/My Network Places Appendix D Windows HelpShared Resources Appendix E Glossary EtherFast Cable/DSL Router with 8-Port Switch EtherFast Cable/DSL Router with 8-Port Switch EtherFast Cable/DSL Router with 8-Port Switch EtherFast Cable/DSL Router with 8-Port Switch EtherFast Cable/DSL Router with 8-Port Switch Appendix F Specifications Eight 10/100 RJ-45 Switched PortsStandards PortsAppendix G Warranty Information Limited WarrantyAppendix H Regulatory Information FCC StatementInformation section in this Guide Appendix I Contact InformationNeed to contact Linksys?
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BEFSR81 specifications

The Linksys BEFSR81 is a highly regarded router that stands as a staple in home networking solutions. With its robust set of features, it has catered to both casual users and technology enthusiasts alike. The BEFSR81 is primarily known for its versatile connectivity options, making it a popular choice for users looking to connect multiple devices without compromising speed or reliability.

One of the standout features of the Linksys BEFSR81 is its ability to support up to eight Ethernet ports, allowing for extensive wired connections. This is particularly beneficial for users with multiple devices that require stable internet access, such as gaming consoles, desktop computers, and smart home devices. Additionally, the router supports advanced networking features, including DHCP server capabilities and network address translation (NAT), further optimizing performance and security.

In terms of security, the BEFSR81 offers stateful packet inspection firewalls and support for Wi-Fi Protected Access (WPA) encryption, ensuring that users' data and privacy are well-protected. It also includes features like MAC address filtering, which allows users to create a whitelist of devices permitted to access the network, bolstering security even further.

The Linksys BEFSR81 adopts a user-friendly interface that simplifies the setup process, making it accessible for individuals with varying levels of technical expertise. Users can manage their network settings effortlessly via the web-based management interface, enabling them to configure passwords, adjust settings, and monitor network activity.

Moreover, the BEFSR81 supports Quality of Service (QoS) features that prioritize bandwidth for certain applications, ensuring that streaming services, online gaming, and video conferencing perform optimally without lag. This is particularly advantageous in households with numerous users engaging in data-intensive activities simultaneously.

Overall, the Linksys BEFSR81 remains a reliable choice for those seeking a well-rounded router that combines a feature-rich design with robust performance. Whether for home office use, casual browsing, or intensive gaming, the BEFSR81 meets the demands of modern networking needs, ensuring a seamless and secure internet experience for its users.
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