Linksys BEFSR81 manual EtherFast Cable/DSL Router with 8-Port Switch

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EtherFast Cable/DSL Router with 8-Port Switch

IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device.

IPSec (Internet Protocol Security) - A VPN protocol used to implement secure exchange of packets at the IP layer.

ISM band - Radio band used in wireless networking transmissions.

ISP (Internet Service Provider) - A company that provides access to the Internet.

LAN (Local Area Network) - The computers and networking products that make up the network in your home or office.

MAC (Media Access Control) Address - The unique address that a manufacturer assigns to each networking device.

Mbps (Megabits Per Second) - One million bits per second; a unit of measurement for data transmission.

Multicasting - Sending data to a group of destinations at once.

NAT (Network Address Translation) - NAT technology translates IP addresses of a local area network to a different IP address for the Internet.

Network - A series of computers or devices connected for the purpose of data sharing, storage, and/or transmission between users.

NNTP (Network News Transfer Protocol) - The protocol used to connect to Usenet groups on the Internet.

Node - A network junction or connection point, typically a computer or work station.

OFDM (Orthogonal Frequency Division Multiplexing) - A type of modulation technology that separates the data stream into a number of lower-speed data streams, which are then transmitted in parallel. Used in 802.11a, 802.11g, and powerline networking.

Packet - A unit of data sent over a network.

Passphrase - Used much like a password, a passphrase simplifies the WEP encryption process by automatically generating the WEP encryption keys for Linksys products.

Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.

POP3 (Post Office Protocol 3) - A standard protocol used to retrieve e-mail stored on a mail server.

Port - 1. The connection point on a computer or networking device used for plugging in a cable or an adapter. 2. The virtual connection point through which a computer uses a specific application on a server.

Appendix E: Glossary

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Contents Cable/DSL Router How to Use this Guide Copyright and TrademarksWord definition Table of Contents Appendix B Upgrading Firmware Appendix a TroubleshootingCommon Problems and Solutions Frequently Asked Questions Ethernet AdapterList of Figures Back PanelDdns Disabled Introduction WelcomeWhat’s in this Guide? EtherFast Cable/DSL Router with 8-Port Switch Networking Basics An Introduction to LANsUse of IP Addresses 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 PptpNavigating the Utility Using The Router’s Web-based UtilitySetup SecurityApplications & Gaming Quick and Easy AdministrationAdministration StatusBasic Setup Internet SetupRAS for SingTel PPPoEHeart Beat Signal PptpNetwork Setup Optional SettingsRouter IP Network Address Server Settings Dhcp DdnsMAC Address Clone DynDNS.orgTZO.com Advanced Routing MAC CloneFilter 14 Routing TableFilter MAC Address Filter IP Address RangeFilter Port Range Block WAN RequestsVPN Passthrough Port Range ForwardingPort Range Port Triggering Triggered RangeForwarded Range UPnP Forwarding 20 UPnP ForwardingDMZ QoS QoSApplication-based QoS Management Router AccessLocal Router Access Port-based QoSRemote Router Access IdentificationLog UPnPFactory Defaults 25 Incoming Log TableRouter Firmware UpgradeUpgrade Firmware InformationLocal Network 31 Local NetworkFor Windows 98 and Millennium Appendix a TroubleshootingCommon Problems and Solutions 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 For Microsoft Internet Explorer 5.0 or higher To start over, I need to set the Router to factory defaultNeed to upgrade the firmware For Netscape 4.7 or higherFirmware upgrade failed My DSL service’s PPPoE is always disconnectingNeed to use port triggering Is IPSec Passthrough supported by the Router? Frequently Asked QuestionsWhere is the Router installed on the network? Does the Router support IPX or AppleTalk?How can I block corrupted FTP downloads? Is the Router cross-platform compatible? What is DMZ Hosting?Will the Router function in a Macintosh environment? 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 AddressAppendix D Windows Help Shared ResourcesNetwork Neighborhood/My Network Places 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 Standards Appendix F SpecificationsEight 10/100 RJ-45 Switched Ports PortsAppendix G Warranty Information Limited WarrantyAppendix H Regulatory Information FCC StatementAppendix I Contact Information Need to contact Linksys?Information section in this Guide
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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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