Linksys BEFSR81 manual Obtain an IP Automatically or Dhcp, Static IP

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EtherFast Cable/DSL Router with 8-Port Switch

Note: If you have previously enabled Internet-sharing proxy server software on any of your PCs, you must disable it now. Some examples of Internet-sharing software are Internet LanBridge, Wingate, ICS, and Sygate.

To disable your Internet sharing software:

•If you are running Netscape Navigator, click Edit >> Preferences >> Advanced >> Proxies. Click Direct Connection to the Internet.

•If you are running Internet Explorer 5.x or higher, click Start >> Settings >> Control Panel >> Internet Options >> Connections >> LAN Settings. Remove checkmarks from all three boxes. Click the OK button to continue.

Also, you must disable any Internet log-on software, such as Ivasion Winpoet or Enternet 300, on all of your PCs.

Obtain an IP Automatically or DHCP

If your ISP says that you are connecting through DHCP or a dynamic IP address from your ISP, perform these steps:

ASelect Obtain an IP automatically as the Internet Connection Type, as shown in Figure 6-3.

BClick the Save Settings button to save this change, or click the Cancel Changes button to undo your change. For further help on this tab, click the Help button. When you are finished, proceed to step 4.

Static IP

If your ISP says that you are connecting through a static or fixed IP address from your ISP, perform these steps:

ASelect Static IP as the Internet Connection Type, as shown in Figure 6-4.

BEnter the IP Address, Subnet Mask, and Default Gateway.

CEnter the DNS in the Primary DNS and/or Secondary DNS fields. You need to enter at least one DNS address.

DClick the Save Settings button to save this change, or click the Cancel Changes button to undo your change. For further help on this tab, click the Help button. When you are finished, proceed to step 4.

Chapter 6: Configuring the Router

Figure 6-3: Obtain an IP Automatically for

Basic Setup

Figure 6-4: Static IP for Basic Setup

14

Instructions

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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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