Linksys BEFSR81 manual Local Network

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EtherFast Cable/DSL Router with 8-Port Switch

•Login Status. The status of the connection is displayed only for PPPoE, RAS, PPTP, or Heart Beat Signal connections. For these dial-up style connections, there is a Connect button to click if there is no connection and you want to establish an Internet connection.

•Internet IP Address. The Router’s Internet IP Address is displayed here.

•Subnet Mask and Default Gateway. The Router’s Subnet Mask and Default Gateway address are displayed here for DHCP and static IP connections.

•Primary DNS and Secondary DNS. Shown here are the DNS (Domain Name System) IP addresses currently used by the Router.

•DHCP Release. Available for a DHCP connection, click the DHCP Release button to release the current IP address of the device connected to the Router’s Internet port.

•DHCP Renew. Available for a DHCP connection, click the DHCP Renew button to replace the current IP address—of the device connected to the Router’s Internet port—with a new IP address.

Click the Refresh button to update the on-screen information. For further help on this tab, click the Help button.

Local Network

The Local Network screen displays information about the local network. See Figure 7-31.

Local Network

•Local MAC Address. The MAC Address of the Router’s LAN (local area network) interface is displayed here.

•IP Address. The Router’s local IP Address is shown here.

•Subnet Mask. The Router’s Subnet Mask is shown here.

•DHCP Server. The status of the DHCP server is displayed here.

•DHCP Client Table. Click the DHCP Clients Table button to view a list of PCs that have been assigned IP addresses by the Router. The DHCP Active IP Table screen, shown in Figure 7-32, lists the DHCP Server IP Address, Client Hostnames, IP Addresses, and MAC Addresses. Click the Refresh button to update the information.

Click the Refresh button to update the on-screen information. For further help on this tab, click the Help button.

Chapter 7: Using The Router’s Web-based Utility

Figure 7-31: Local Network

Figure 7-32: DHCP Active IP Table

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Local Network

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Contents Cable/DSL Router Word definition How to Use this GuideCopyright and Trademarks Table of Contents Appendix a Troubleshooting Common Problems and Solutions Frequently Asked QuestionsAppendix B Upgrading Firmware Ethernet AdapterList of Figures Back PanelDdns Disabled Introduction WelcomeWhat’s in this Guide? EtherFast Cable/DSL Router with 8-Port Switch Use of IP Addresses Networking BasicsAn Introduction to LANs 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 PptpUsing The Router’s Web-based Utility SetupNavigating the Utility SecurityQuick and Easy Administration AdministrationApplications & Gaming StatusBasic Setup Internet SetupRAS for SingTel PPPoEHeart Beat Signal PptpRouter IP Network SetupOptional Settings Network Address Server Settings Dhcp DdnsTZO.com MAC Address CloneDynDNS.org Advanced Routing MAC CloneFilter 14 Routing TableFilter IP Address Range Filter Port RangeFilter MAC Address Block WAN RequestsPort Range VPN PassthroughPort Range Forwarding Forwarded Range Port TriggeringTriggered Range UPnP Forwarding 20 UPnP ForwardingDMZ Application-based QoS QoSQoS Router Access Local Router AccessManagement Port-based QoSRemote Router Access IdentificationLog UPnPFactory Defaults 25 Incoming Log TableFirmware Upgrade Upgrade FirmwareRouter InformationLocal Network 31 Local NetworkAppendix a Troubleshooting Common Problems and SolutionsFor Windows 98 and Millennium 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 To start over, I need to set the Router to factory default Need to upgrade the firmwareFor Microsoft Internet Explorer 5.0 or higher For Netscape 4.7 or higherFirmware upgrade failed My DSL service’s PPPoE is always disconnectingNeed 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?How can I block corrupted FTP downloads? What is DMZ Hosting? Will the Router function in a Macintosh environment?Is the Router cross-platform compatible? 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 AddressNetwork Neighborhood/My Network Places Appendix D Windows HelpShared Resources 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 Appendix F Specifications Eight 10/100 RJ-45 Switched PortsStandards PortsAppendix G Warranty Information Limited WarrantyAppendix H Regulatory Information FCC StatementInformation section in this Guide Appendix I Contact InformationNeed to contact Linksys?
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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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