Linksys BEPSR31, BEPSR41 Dynamic IP Addresses, Dhcp Dynamic Host Configuration Protocol Servers

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Instant Broadband™ Series

If you use the Router to share your cable or DSL Internet connection, contact your ISP to find out if they have assigned a static IP address to your account. If so, you will need that static IP address when configuring the Router. You can get the information from your ISP.

Dynamic IP Addresses

A dynamic IP address is automatically assigned to a device on the network, such as PCs and print servers. These IP addresses are called “dynamic” because they are only temporarily assigned to the PC or device. After a certain time period, they expire and may change. If a PC logs onto the network (or the Internet) and its dynamic IP address has expired, the DHCP server will assign it a new dynamic IP address.

For DSL users, many ISPs may require you to log on with a user name and password to gain access to the Internet. This is a dedicated, high-speed con- nection type called Point to Point Protocol over Ethernet (PPPoE). PPPoE is similar to a dial-up connection, but PPPoE does not dial a phone number when establishing a connection. PPPoE also will provide the Router with a dynamic IP address to establish a connection to the Internet.

DHCP (Dynamic Host Configuration Protocol) Servers

PCs and other network devices using dynamic IP addressing are assigned a new IP address by a DHCP server. The PC or network device obtaining an IP address is called the DHCP client. DHCP frees you from having to assign IP addresses manually every time a new user is added to your network.

A DHCP server can either be a designated PC on the network or another net- work device, such as the Router. By default, the Router’s WAN setting is DHCP client.

By default, a DHCP server (LAN side) is enabled on the Router. If you already have a DHCP server running on your network, you must disable one of the two DHCP servers. If you run more than one DHCP server on your network, you will experience network errors, such as conflicting IP addresses. To disable DHCP on the Router, see the DHCP section in “Chapter 9: The Cable/DSL Router’s Web-based Utility.”

Note: Even if you assign a static IP address to a PC, other PCs can still use DHCP’s dynamic IP addressing, as long as the static IP address is not within the DHCP range of the LAN IP Address.

If the dynamic IP addressing fails to provide a dynamic IP address, refer to “Appendix A: Troubleshooting.”

EtherFast® Cable/DSL Routers

Network Setup Overview

This user guide covers the basic steps for setting up a network with a router. After going through the appropriate “Getting to Know the Router” chapter (Chapter 2, 3, or 4, depending on which Router you have), most users will only need to use the following chapters:

•Chapter 5: Connect the Router

This chapter instructs you on how to connect the cable or DSL modem to the Router and connect the PC(s) to the Router.

•Chapter 7: Configure the PCs

This chapter instructs you on how to configure your PC(s) for a DHCP con- nection, if the network settings are not already set to DHCP.

•Chapter 8: Configure the Router

This chapter explains how to configure the Router using your web browser and the Router’s web-based utility. You will configure the Router using the settings provided by your ISP.

When you’re finished with the basic steps, then you are ready to connect to the Internet. After the PC(s) can access the Internet through the Router, you can alter the Router’s settings further; for example, you can adjust security features

and other settings to enable

Note: To learn about additional security

online gaming.

features, ZoneAlarm Pro and PC-cillin

 

 

(each sold separately), see “Chapter 9: The

 

Cable/DSL Router’s Web-based Utility.”

 

 

WAN

Notebook with Ethernet Adapter

 

Modem

LAN

Cable or DSL

 

Cable/DSL Router

PC with Ethernet Adapter

Figure 1-4

6

7

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Contents Cable/DSL Routers Copyright & Trademarks Table of Contents Introduction FeaturesLinksys EtherFastCable/DSLRouterRouter PackageContentsforforthethe11--PortRouterBEFSR11 Package Contents for the 4-Port Router BEFSR41Minimum Requirements An Introduction to LANs and WANs Package Contents for the 3-Port Router BEFSRU31IP Addresses Network Setup Overview Dhcp Dynamic Host Configuration Protocol ServersDynamic IP Addresses 4-Port Router’s Front Panel LEDs 4-Port Router’s Rear Panel1-Port Router’s Rear Panel Buttons & SwitchesReset Button Proceed to Connect the Router1-Port Router’s Front Panel LEDs Crossover SwitchWAN Indicators PortUSB Compatibility 3-Port Router’s Rear PanelFull/Col 3-Port Router’s Front Panel LEDsConnect the Router Connecting Your Hardware Together and Booting UpOverview Uplinking Connecting More Devices to the Router Router’s hardware installation is now completeInstalling the Windows 98 Driver Installing the BEFSRU31’s USB Port DriversInstant Broadband Series Installing the Windows 2000 Driver Instant Broadband Series Installing the Windows Millennium Driver Installing the Windows XP Driver Configure the PCs Go to Configure the Router Configuring Windows 95, 98, and Millennium PCsConfiguring Windows 2000 PCs Configuring Windows XP PCs Advanced Proxies. Click Direct Connection to the Internet Configure the RouterEnter the Gateway Address Dhcp or Obtain an IP Address AutomaticallyPPPoE Static IP Address or Specify an IP AddressCable/DSL Router’s Web-based Utility Quick and Easy Router AdministrationDhcp SetupPPPoE Pptp Status PasswordDhcp Software Download ZoneAlarm Pro SettingsLog SecurityAOL Parental Controls PC-cillin SettingsOr Disable Exempt ComputersAdvanced Setting Up FiltersEditing MAC Filter Setting IP FilteringPort Range Forwarding UPnP Forwarding Port Triggering Static Routing Dynamic RoutingDMZ Host Need to set a static IP address on a PC Appendix a TroubleshootingCommon Problems and Solutions MAC Address CloneFor Windows 95, 98, and Me For Windows NTFor Windows XP Want to test my Internet connectionFor Windows XP Need to set up a server behind my Router Am not able to access the Router’s web interface SetupCan’t get the Internet game, server, or application to work My DSL service’s PPPoE is always disconnecting To start over, I need to set the Router to factory defaultNeed to upgrade the firmware Firmware upgrade failed, and/or the Diag LED is flashingFull/Col LED keeps flickering continuously Click the Advanced = Filter tabNeed to use port triggering Diag LED stays lit continuouslyFrequently Asked Questions Allows Pptp packets to pass through Appendix B Glossary Instant Broadband Series Instant Broadband Series Instant Broadband Series 101 103 Appendix C How to Ping Your ISP’s E-mail & Web Addresses Step Two Pinging for a Web Address Step One Pinging an IP AddressTCP/IP installation is now complete Appendix D Installing the TCP/IP ProtocolCrimping Your Own Network Cables Appendix E Twisted-Pair CablingStraight-Through Cabling For Windows NT, 2000, and XP Figure F-1Figure F-5 Http//192.168.1.1 in the web AOL Broadband via CableObtain an IP automat- ically from AOL Broadband via DSL Appendix H 4-Port Router SpecificationsFour 10/100 RJ-45 switched ports and shared Port Environmental SpecificationsThree 10/100 RJ-45 Switched ports and shared Appendix I 1-Port Router SpecificationsAppendix J 3-Port Router Specifications Port Router SpecificationsWeb site FTP site Appendix K Warranty InformationSales Information Technical Support RMA Issues Fax Appendix L Contact InformationCopyright 2002 Linksys, All Rights Reserved

BEPSR31, BEPSR11, BEPSR41 specifications

The Linksys BEPSR series, which includes the BEPSR41, BEPSR11, and BEPSR31 models, is renowned for its commitment to providing robust, reliable networking solutions for both home and small office environments. Each model in this line features distinctive characteristics that suit different needs while maintaining the core performance that Linksys is known for.

The Linksys BEPSR41 is a four-port broadband router that stands out for its exceptional speed and stability. With support for ADSL and cable connections, this model is equipped with advanced features such as Network Address Translation (NAT) and a built-in firewall for enhanced security. The BEPSR41 utilizes wired Ethernet technology, providing reliable connections and lag-free access to the internet. Its four LAN ports enable connections to multiple devices, making it an ideal choice for households with numerous connected devices.

Moving on to the Linksys BEPSR11, this model is a more compact solution, designed for users with simpler networking needs. The BEPSR11 features a one-port configuration, making it perfect for individual users or small setups that require minimal device connectivity. Despite its smaller size, it offers solid performance with similar NAT and firewall capabilities as its larger counterpart. This model is an excellent choice for users who value simplicity and efficient internet connectivity without the complexities of advanced networking setups.

Lastly, the Linksys BEPSR31 combines features from both previous models, offering an ideal balance between performance and usability. It provides two LAN ports, making it suitable for small offices or homes where a couple of wired connections are needed. The setup process is straightforward, allowing users to get online quickly with minimal configuration. The BEPSR31 also supports basic QoS (Quality of Service) features, allowing users to prioritize traffic for smoother streaming and gaming experiences.

All three models emphasize ease of use, security, and dependable performance, catering to different user requirements. Their solid design, combined with Linksys’s reputation for quality and reliability in home networking, makes the BEPSR41, BEPSR11, and BEPSR31 excellent options for anyone looking to enhance their internet experience without extensive technical knowledge. Whether for gaming, streaming, or everyday browsing, these routers provide essential features that meet modern connectivity demands.
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