Linksys BEFSR81 manual Appendix a Troubleshooting, Common Problems and Solutions, For Windows

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EtherFast Cable/DSL Router with 8-Port Switch

Appendix A: Troubleshooting

This appendix provides solutions to problems that may occur during the installation and operation of the Router.

Read the description below to solve your problems. If you can't find an answer here, check the Linksys website at

www.linksys.com.

Common Problems and Solutions

1.I need to set a static IP address on a PC.

The Router, by default, assigns an IP address range of 192.168.1.100 to 192.168.1.150 using the DHCP server on the Router. To set a static IP address, you can only use the ranges 192.168.1.2 to 192.168.1.99 and 192.168.1.151 to 192.168.1.254. Each PC or network device that uses TCP/IP must have a unique address to identify itself in a network. If the IP address is not unique to a network, Windows will generate an IP conflict error message. You can assign a static IP address to a PC by performing the following steps:

For Windows 98 and Millennium:

A.Click Start, Setting, and Control Panel. Double-click Network.

B.In The following network components are installed box, select the TCP/IP-> associated with your Ethernet adapter. If you only have one Ethernet adapter installed, you will only see one TCP/IP line with no association to an Ethernet adapter. Highlight it and click the Properties button.

C.In the TCP/IP properties window, select the IP address tab, and select Specify an IP address. Enter a unique IP address that is not used by any other computer on the network connected to the Router. You can only use an IP address in the ranges 192.168.1.2 to 192.168.1.99 and 192.168.1.151 to 192.168.1.254. Make sure that each IP address is unique for each PC or network device.

D.Click the Gateway tab, and in the New Gateway prompt, enter 192.168.1.1, which is the default IP address of the Router. Click the Add button to accept the entry.

E.Click the DNS tab, and make sure the DNS Enabled option is selected. Enter the Host and Domain names (e.g., John for Host and home for Domain). Enter the DNS entry provided by your ISP. If your ISP has not provided the DNS IP address, contact your ISP to get that information or go to its website for the information.

F.Click the OK button in the TCP/IP properties window, and click Close or the OK button for the Network window.

G.Restart the computer when asked.

For Windows 2000:

A.Click Start, Settings, and Control Panel. Double-click Network and Dial-Up Connections.

Appendix A: Troubleshooting

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Common Problems and Solutions

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Contents Cable/DSL Router How to Use this Guide Copyright and TrademarksWord definition Table of Contents Common Problems and Solutions Frequently Asked Questions Appendix a TroubleshootingAppendix B Upgrading Firmware Ethernet AdapterBack Panel List of FiguresDdns Disabled Welcome IntroductionWhat’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 Getting to Know the Router Reset Button Reset button can be used in one of two waysFront Panel Overview Connecting the RouterConnect a PC Connection InstructionsConfiguring Windows 98 and Millennium PCs Configuring the PCsConfiguring Windows XP PCs Configuring Windows 2000 PCsInternet Protocol TCP/IP for Windows XP Instructions Configuring the RouterStatic IP Obtain an IP Automatically or DhcpRAS PPPoEPptp Heart Beat SignalSetup Using The Router’s Web-based UtilityNavigating the Utility SecurityAdministration Quick and Easy AdministrationApplications & Gaming StatusInternet Setup Basic SetupPPPoE RAS for SingTelPptp Heart Beat SignalNetwork Setup Optional SettingsRouter IP Ddns Network Address Server Settings DhcpMAC Address Clone DynDNS.orgTZO.com MAC Clone Advanced Routing14 Routing Table FilterFilter Port Range Filter IP Address RangeFilter MAC Address Block WAN RequestsVPN Passthrough Port Range ForwardingPort Range Port Triggering Triggered RangeForwarded Range 20 UPnP Forwarding UPnP ForwardingDMZ QoS QoSApplication-based QoS Local Router Access Router AccessManagement Port-based QoSIdentification Remote Router AccessUPnP Log25 Incoming Log Table Factory DefaultsUpgrade Firmware Firmware UpgradeRouter Information31 Local Network Local NetworkCommon Problems and Solutions Appendix a TroubleshootingFor Windows 98 and Millennium For WindowsFor Windows XP For Windows 98 and Millennium EtherFast Cable/DSL Router with 8-Port Switch Need to set up a server behind my Router Am not able to access the Router’s Web-based Utility SetupTCP Application Start and End Protocol IP Address EnabledCan’t get the Internet game, server, or application to work Need to upgrade the firmware To start over, I need to set the Router to factory defaultFor Microsoft Internet Explorer 5.0 or higher For Netscape 4.7 or higherMy DSL service’s PPPoE is always disconnecting Firmware upgrade failedNeed to use port triggering Where is the Router installed on the network? Frequently Asked QuestionsIs IPSec Passthrough supported by the Router? Does the Router support IPX or AppleTalk?How can I block corrupted FTP downloads? Will the Router function in a Macintosh environment? What is DMZ Hosting?Is the Router cross-platform compatible? How many ports can be simultaneously forwarded?How do I get mIRC to work with the Router? How can I check whether I have static or Dhcp IP addresses?Appendix B Upgrading Firmware Figure B-1 Upgrade FirmwareWindows 2000 or XP Instructions Windows 98 or Me InstructionsFigure C-3 MAC Address/Physical Address For the Router’s Web-based UtilityAppendix 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 Eight 10/100 RJ-45 Switched Ports Appendix F SpecificationsStandards PortsLimited Warranty Appendix G Warranty InformationFCC Statement Appendix H Regulatory InformationAppendix 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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