Linksys BEFDSR41W manual Appendix a Troubleshooting, Common Problems and Solutions

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Instant Broadband™ Series

Appendix A: Troubleshooting

Common Problems and Solutions

This section provides possible solutions to problems regarding the Gateway’s installation and operation. If your situation is described here, the problem should be solved by applying the corresponding solution. If you can’t find an answer here, check the Linksys website at www.linksys.com.

1.The Gateway is not working.

•Verify that the Power cord and other network cables are plugged in.

•Check the LAN and WAN LEDs on the Gateway’s front and verify that they are lit appropriately.

•Check the settings on your PC.

•Check the Gateway’s settings.

2.I can’t connect to the Gateway.

•Verify that the Gateway is properly installed; LAN connections are OK, and it is powered ON.

•Make sure that your PC and the Gateway are on the same network seg- ment. If you are not sure, initiate the DHCP function, and let the PC get the IP address automatically.

•Make sure that your PC is using an IP address within the default range of 192.168.1.2 to 192.168.1.254 and thus compatible with the Gateway default IP Address of 192.168.1.1

•Also, the Subnet Mask should be set to 255.255.255.0 to match the Gateway. For the Gateway, you can check these settings by using Control Panel-Network to check the Properties for the TCP/IP protocol.

3.The Diag LED stays lit when it shouldn’t.

•The Diag LED lights up when the device is first powered up. Meantime, the system will boot up itself and check for proper operation. After fin- ishing the checking procedure, the LED turns off to show the system is working fine. If the LED remains lit after this time, the device is not working properly. Try to re-flash the firmware by assigning a static IP address to the computer, and then upgrade the firmware again. If that doesn’t help, contact your dealer for further inspection.

4.The ADSL Link LED will not go solid.

•Verify that the RJ-11 cable is firmly plugged into the ADSL jack of the Gateway, with the other end plugged directly into the ADSL wall jack.

ADSL Gateway with Modem / Router / 4-Port Switch / Wireless-Ready

Make sure that you do NOT have a microfilter plugged in between the Gateway and the wall jack. Verify that your ADSL account is active with your ISP.

5.I can’t browse through the Gateway.

•Check if both ends of the network cable and power adapter are properly connected. Check if the status LEDs on the front panel are functioning properly.

•If using Windows 95, 98 or Millennium, check the TCP/IP setup on the client side. Run winipcfg by clicking on the Start button, selecting Run, and typing winipcfg in the Run field. Press Enter. The PC should have an IP address of 192.168.1.xxx (“xxx” is from 2 to 254.). The Subnet Mask is 255.255.255.0; the default gateway IP should be the Gateway’s IP Address, and check that the DNS is correct.

•Check the same setup values in the Gateway’s Status page.

6.When I enter a URL or IP address, I get a time out error.

•Check to see if your other PCs work. If they do, verify that your PC’s IP settings are correct (IP address, Subnet Mask, Default Gateway, and DNS)

•If the PCs are configured correctly, but still not working, check the Gateway. Make sure that it is connected and ON. Connect to it and check its settings. (If you cannot connect to it, check the LAN and power con- nections.)

•If the Gateway is configured correctly, check your Internet connection to see that it is working correctly.

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

7.I can’t obtain an IP address from my ADSL line.

•Verify that all of your cabling is properly connected and that all of the Gateway’s ADSL and Link LEDs are correctly illuminated.

•Power down your Gateway for a few seconds. Turn it back on. After the Gateway goes through its self-test, check to see if you now have an IP address.

•Verify that the VPI/VCI and Encapsulation settings are correct in the Setup page of the Web-based Utility. Go to the Setup section of the Web- based Utility chapter for more information.

•If you are configured for PPPoE or PPPoA, verify that the username and password are entered correctly in the Setup page of the Web-based Utility. Go to the Setup section of the Web-based Utility chapter for more infor- mation.

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Contents Adsl Gateway Copyright & Trademarks UG-BEFDSR41W-071802NC-BW Table of Contents Features IntroductionAn Introduction to LANs and WANs Package ContentsMinimum Requirements IP AddressesNetwork Setup Overview Dynamic IP AddressesGateway’s Back Panel Ports Getting to Know the Adsl GatewayGateway’s Front Panel LEDs Proceed to Connecting the Gateway Connecting the GatewayConnecting Your Hardware and Booting Up Go to Configuring the PCs Overview Configuring the PCsWindows 95, Windows 98, Windows Millennium Go to Configuring the Gateway WindowsWindows XP Configuring the Gateway Configuring the GatewayRFC 1483 Bridged Dynamic IP AddressEnter the Default Gateway Address RFC 2516 PPPoE or RFC 2364 PPPoAUsing the Gateway’s Web-based Utility Quick and Easy Gateway AdministrationSetup RFC 1483 Bridged RFC 1483 Routed RFC 2516 PPPoE Password Status Dhcp Log UPnPHelp Wireless Advanced Setting Up FiltersFiltering Forwarding Dynamic Routing RIP DirectionRIP Version Static RoutingDMZ Host DMZ IP Address Enter the IP Address that is assigned toFirewall Link TestAppendix a Troubleshooting Common Problems and SolutionsFrequently Asked Questions Tion of the Gateway Appendix B Configuring Wireless Security Figure B-1Figure B-3 Configuring Wireless Security in Windows XP Click on the Network Connections iconFigure B-7 Appendix C Installing the T C P/ I P Protocol Figure B-11TCP/IP installation is now complete For Windows 95, 98, and MeFigure D-3 For Windows NT, 2000, and XPAppendix E Specifications StandardsAppendix F Warranty Information EnvironmentalSales Information Technical Support RMA Issues FaxAppendix G Contact Information Web site
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BEFDSR41W specifications

The Linksys BEFDSR41W is a versatile and reliable wireless router designed primarily for small to medium-sized networks, providing high-performance capabilities and an array of advanced features. With its sleek design and user-friendly interface, it is an ideal choice for home users and small businesses looking to establish a robust and secure wireless environment.

One of the standout features of the BEFDSR41W is its dual wireless capability. It supports both 802.11b and 802.11g wireless standards, allowing users to connect a wide range of devices, from older equipment to newer, high-speed devices. This flexibility ensures compatibility across various platforms while delivering decent wireless speeds, making it perfect for basic web browsing, streaming, and online gaming.

The BEFDSR41W is equipped with a built-in firewall that includes Network Address Translation (NAT) and Stateful Packet Inspection (SPI) to provide robust security against external threats. This ensures that the users' personal data and network resources are safeguarded from unauthorized access. Additionally, it supports WPA2 encryption, which enhances wireless security by protecting sensitive information during transmission.

Another notable feature is its four Ethernet ports, allowing for wired connections to multiple devices, such as computers, printers, and gaming consoles. This is particularly beneficial for users who require stable connections for bandwidth-intensive applications. The router also supports DHCP, enabling automatic IP address assignment to connected devices, which simplifies network management.

The BEFDSR41W boasts an easy-to-navigate web interface for setup and management, facilitating quick configuration of wireless settings, security protocols, and other essential preferences. Furthermore, the router offers Quality of Service (QoS) capabilities, allowing users to prioritize specific types of traffic to ensure uninterrupted streaming and gaming experiences.

In summary, the Linksys BEFDSR41W is a dependable wireless router that combines essential features with a user-friendly approach. Its dual wireless standard support, built-in security measures, multiple Ethernet ports, and QoS capabilities make it an excellent choice for those looking to maintain an efficient and secure network. Whether for home use or small businesses, the BEFDSR41W stands out as a reliable networking solution in today's digital landscape.
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