Cisco Systems BEFSR41 manual Configuring the Router, Setup, Security

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EtherFast Cable/DSL Router with 4-Port Switch

Chapter 5: Configuring the Router

Overview

Now that you have connected the Router following the instructions in Chapter 4, you can use the Web-based Utility to configure the Router. Advanced users may configure the Router’s advanced settings through the Web- based Utility.

This chapter will describe each web page on the Utility and each page’s key functions. The Utility can be accessed via your web browser through use of a computer connected to the Router. For a basic network setup, most users only have to use the following screens of the Utility:

•Basic Setup. On the Basic Setup screen, enter the Internet connection settings provided by your ISP. If you do not have this information, you can call your ISP to request the settings. Once you have the setup information for your specific type of Internet connection, then you can configure the Router.

•Management. Click the Administration tab and then the Management tab. The Router’s default password is admin. To secure the Router, change the Password from its default.

There are five main tabs: Setup, Security, Applications & Gaming, Administration, and Status. Additional tabs will be available after you click one of the main tabs.

Setup

•Basic Setup. Enter the Internet connection and network settings on this screen.

•DDNS. Enable the Router’s Dynamic Domain Name System (DDNS) feature on this screen.

•MAC Address Clone. If you need to clone a MAC address onto the Router, use this screen.

•Advanced Routing. On this screen, you can alter Network Address Translation (NAT), dynamic routing, and static routing configurations.

Security

•Filter. On this screen, you can configure a variety of filters to enhance the security of your network.

•VPN. To enable or disable IPSec, PPPoE, and/or PPTP Passthrough for Virtual Private Network (VPN) tunnels.

Chapter 5: Configuring the Router

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Overview

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Contents Cable/DSL Router Copyright and Trademarks How to Use this GuideWord definition Table of Contents Appendix a Troubleshooting Common Problems and Solutions Frequently Asked QuestionsAppendix B Upgrading Firmware 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 Connecting the Router Using the Setup WizardUsing the Quick Installation or User Guide OverviewConnection Instructions Example of a Typical NetworkSetup Configuring the RouterSecurity How to Access the Web-based Utility AdministrationApplications & Gaming StatusSetup Tab Basic Setup Internet SetupInternet Connection Type 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 CloneSetup Tab Advanced Routing Advanced RoutingDynamic Routing Static Routing14 Routing Table Entry List Security Tab Filter Filter IP Address RangeFilter Port Range Filter MAC AddressConfiguring the Router Security Tab Filter Security Tab VPN VPN PassthroughPort Range Forwarding Applications & Gaming Tab Port Range ForwardingPort Range Applications & Gaming Tab Port Triggering Port TriggeringTriggered Range Forwarded RangeApplications & Gaming Tab UPnP Forwarding UPnP ForwardingEtherFast Cable/DSL Router with 4-Port Switch Applications & Gaming Tab DMZ DMZApplications & Gaming Tab QoS Device PriorityEthernet Port Priority Application PriorityEtherFast Cable/DSL Router with 4-Port Switch Administration Tab Management Router AccessLocal Router 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 NetworkAppendix a Troubleshooting Common Problems and SolutionsFor Windows 98 and Millennium 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 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?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 Appendix F Specifications Four 10/100 RJ-45 Switched PortsModel BEFSR41 ver Standards 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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