Cisco Systems BEFSR41 manual EtherFast Cable/DSL Router with 4-Port Switch

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EtherFast Cable/DSL Router with 4-Port Switch

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

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. The agents return information contained in a MIB (Management Information Base), which is a data structure that defines what is obtainable from the device and what can be controlled (turned off, on, etc.).

Ext. Port. Enter the number of the external port used by the server in the Ext. Port column. Check with the

Internet application documentation for more information.

TCP or UDP. Select the protocol UDP or TCP for each application. You cannot select both protocols.

Int. Port. Enter the number of the internal port used by the server in the Int. Port column. Check with the Internet application software documentation for more information.

IP Address. Enter the IP address of the server that you want the Internet users to be able to access. To find the IP address, go to “Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter.”

Enabled. Check the Enabled box to enable the service you have defined. UPnP Forwarding will not function if the

Enabled button is left unchecked. This is disabled (unchecked) by default.

When you have finished making changes to this screen, click the Save Settings button to save the changes, or click the Cancel Changes button to undo your changes. Help information is shown on the right-hand side of the screen. For additional help, click More.

Chapter 5: Configuring the Router

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The Applications & Gaming Tab - UPnP Forwarding

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Contents Cable/DSL Router Copyright and Trademarks How to Use this GuideWord definition Table of Contents Appendix B Upgrading Firmware Appendix a TroubleshootingCommon Problems and Solutions Frequently Asked Questions Ethernet AdapterList of Figures Back Panel23 Administration Tab Management Introduction WelcomeWhat’s in this Guide? EtherFast Cable/DSL Router with 4-Port Switch An Introduction to Local Area Networks Networking BasicsUse 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 Using the Quick Installation or User Guide Connecting the RouterUsing the Setup Wizard OverviewConnection Instructions Example of a Typical NetworkSetup Configuring the RouterSecurity Applications & Gaming How to Access the Web-based UtilityAdministration StatusInternet Connection Type Setup Tab Basic SetupInternet Setup Obtain an IP AutomaticallyStatic IP PPPoERAS Heart Beat Signal Heart Beat SignalOptional Settings Network SetupPacket a unit of data sent over a network Network Address Server Settings Dhcp Router IPDynDNS.org Setup Tab DdnsTZO.com Setup Tab MAC Address Clone MAC CloneDynamic Routing Setup Tab Advanced RoutingAdvanced Routing Static Routing14 Routing Table Entry List Filter Port Range Security Tab FilterFilter IP Address Range Filter MAC AddressConfiguring the Router Security Tab Filter Security Tab VPN VPN PassthroughPort Range Forwarding Applications & Gaming Tab Port Range ForwardingPort Range Triggered Range Applications & Gaming Tab Port TriggeringPort Triggering Forwarded RangeApplications & Gaming Tab UPnP Forwarding UPnP ForwardingEtherFast Cable/DSL Router with 4-Port Switch Applications & Gaming Tab DMZ DMZEthernet Port Priority Applications & Gaming Tab QoSDevice Priority Application PriorityEtherFast Cable/DSL Router with 4-Port Switch Local Router Access Administration Tab ManagementRouter Access Remote Router AccessConfiguring the Router Administration Tab Management Administration Tab Log LogAdministration Tab Factory Defaults Factory DefaultsAdministration Tab Firmware Upgrade Upgrade FirmwareStatus Tab Router InformationStatus Tab Local Network Local NetworkFor Windows 98 and Millennium Appendix a TroubleshootingCommon Problems and Solutions Need to set a static IP address on a PCFor Windows For Windows XPWant to test my Internet connection EtherFast Cable/DSL Router with 4-Port Switch Am not able to access the Router’s Web-based Utility Setup Application Start and End Protocol IP Address Enabled Need to set up a server behind my RouterCan’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 defaultFor Netscape 4.7 or higher Firmware upgrade failed Need to upgrade the firmwareMy DSL service’s PPPoE is always disconnecting Need 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?Does the Router support ICQ send file? If all else fails in the installation, what can I do?How can I block corrupted FTP downloads? Is the Router cross-platform compatible? What is DMZ Hosting?Which modems are compatible with the Router? 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 AddressShared Resources Appendix D Windows HelpNetwork Neighborhood/My Network Places Appendix E Glossary EtherFast Cable/DSL Router with 4-Port Switch Packet a unit of data sent over a network EtherFast Cable/DSL Router with 4-Port Switch EtherFast Cable/DSL Router with 4-Port Switch Model BEFSR41 ver Standards Appendix F SpecificationsFour 10/100 RJ-45 Switched Ports PortsOperating Humidity Storage HumidityAppendix G Warranty Information Limited WarrantyAppendix H Regulatory Information FCC StatementNeed to contact Linksys? Appendix I Contact InformationInformation section in this Guide

BEFSR41 specifications

The Cisco Systems BEFSR41 is a versatile and robust broadband router that has gained popularity for its reliability and feature set, catering to both home users and small businesses. This device integrates an 802.3 Ethernet switch with a wide area network (WAN) port, allowing users to connect multiple local area network (LAN) devices to the internet simultaneously.

One of the standout features of the BEFSR41 is its ability to support up to four Ethernet ports, which facilitates easy connection for computers, printers, and other network devices. This multi-port functionality promotes efficient resource sharing within a network, enabling users to share files, printers, and Internet access seamlessly. The router operates using a robust NAT (Network Address Translation) technology, which enhances network security by ensuring that local IP addresses are not exposed directly to the internet.

The BEFSR41 supports DHCP (Dynamic Host Configuration Protocol), allowing for automatic IP address assignment to connected devices, which simplifies the network setup for users. Furthermore, its built-in firewall features help protect against unauthorized access and potential threats from the internet, making it an ideal choice for small office or home office settings. The router also supports port forwarding, allowing users to configure access for specific applications, such as online gaming or video conferencing.

In terms of connectivity, the BEFSR41 is designed for high-speed broadband connections, making it suitable for DSL or cable internet services. The device offers a straightforward setup process, typically involving a web-based interface that simplifies configuration for users of all technical levels. The compact design and ease of installation make it a convenient choice for those looking to enhance their home or office network.

Additionally, the BEFSR41 supports basic Quality of Service (QoS) features, which enable prioritization of traffic for applications that require higher bandwidth or lower latency. Users can configure these settings to ensure that critical applications receive the necessary resources, promoting a smoother experience during activities like streaming or video calls.

Lastly, the Cisco BEFSR41 is known for its durability and longevity, reflecting the high standards associated with Cisco products. Although newer models and technologies have emerged since its launch, the BEFSR41 remains a solid option for users seeking a reliable and efficient router for basic networking needs. Whether for a small business or a home network, this device offers the essential features and functionality to support daily internet activities.
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