Linksys BEFSR81 manual Need to use port triggering

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EtherFast Cable/DSL Router with 8-Port Switch

A.To connect to the Router, go to the web browser, and enter http://192.168.1.1 or the IP address of the Router.

B.Enter the password, if asked. (The default password is admin.)

C.On the Basic Setup tab, look for the MTU option, and select Enable. In the Size field, enter 1492.

D.Click the Save Settings button to continue.

If your difficulties continue, change the Size to different values. Try this list of values, one value at a time, in this order, until your problem is solved:

1462

1400

1362

1300

16.I need to use port triggering.

Port triggering looks at the outgoing port services used and will trigger the Router to open a specific port, depending on which port an Internet application uses. Follow these steps:

A.To connect to the Router, go to the web browser, and enter http://192.168.1.1 or the IP address of the Router.

B.Enter the password, if asked. (The default password is admin.)

C.Click the Applications & Gaming => Port Triggering tab.

D.Enter any name you want to use for the Application Name.

E.Enter the Start and End Ports of the Triggered Port Range. Check with your Internet application provider for more information on which outgoing port services it is using.

F.Enter the Start and End Ports of the Forwarded Port Range. Check with your Internet application provider for more information on which incoming port services are required by the Internet application.

17.When I enter a URL or IP address, I get a time-out error or am prompted to retry.

• Check if other PCs work. If they do, ensure that your workstation’s IP settings are correct (IP Address, Subnet Mask, Default Gateway, and DNS). Restart the computer that is having a problem.

• If the PCs are configured correctly, but still not working, check the Router. Ensure that it is connected and powered on. Connect to it and check its settings. (If you cannot connect to it, check the LAN and power connections.)

• If the Router is configured correctly, check your Internet connection (DSL/cable modem, etc.) to see if it is working correctly. You can remove the Router to verify a direct connection.

• Manually configure the TCP/IP with a DNS address provided by your ISP.

• Make sure that your browser is set to connect directly and that any dial-up is disabled. For Internet Explorer, click Tools, Internet Options, and then the Connection tab. Make sure that Internet Explorer is

Appendix A: Troubleshooting

48

Common Problems and Solutions

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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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Manual 26 pages 4.32 Kb

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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