Linksys WRT54GR manual Power LED keeps flashing

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Wireless-G Broadband Router with RangeBooster

15.I can’t access my e-mail, web or I am getting corrupted data from the Internet.

The Maximum Transmission Unit (MTU) setting may need to be adjusted. By default, the MTU is set at 1500. For most DSL users, it is strongly recommended to use MTU 1492.

•If you are having some difficulties, perform the following steps:

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

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

3.Look for the MTU option, and select Manual. In the Size field, enter 1492.

4.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.The Power LED keeps flashing.

The Power LED flashes when the device is first powered up. Meantime, the system will boot up itself and check for proper operation. After finishing the checking procedure, the LED stays solid to show that the system is working fine. If the LED keeps flashing after this time, the device is not working properly. Try to flash the firmware by assigning a static IP address to the computer, and then upgrade the firmware. Try using the following settings, IP Address: 192.168.1.50 and Subnet Mask: 255.255.255.0.

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 settings 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 set to Never dial a connection. For Netscape Navigator, click Edit, Preferences, Advanced, and Proxy. Make sure that Netscape Navigator is set to Direct connection to the Internet.

Appendix A: Troubleshooting

45

Common Problems and Solutions

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Contents Wireless- G How to Use This User Guide Copyright and TrademarksWord definition Table of Contents Appendix C Upgrading Firmware Appendix D Windows Help Appendix a TroubleshootingAppendix B Wireless Security Common Problems and Solutions Frequently Asked QuestionsRouter’s Back Panel List of Figures27 Wireless Tab Wireless MAC Filter Welcome IntroductionWhat’s in this User Guide? Wireless-G Broadband Router with RangeBooster Network Topology Planning Your Wireless NetworkAd-Hoc versus Infrastructure Mode Ssid service set identifier your wireless network’s namePlanning Your Wireless Network Network Layout Network devices Back PanelRouter’s LEDs are located on the front panel Front PanelConnecting the Wireless-G Broadband Router with RangeBooster Connecting Your Network Devices Overview Password ScreenInternet Setup Setup Tab Basic SetupPPPoE Connection Type Router IP Time Setting DDNS.com Setup Tab Ddns16 Setup Tab MAC Address Clone Setup Tab MAC Address Clone17 Setup Tab Advanced Routing Setup Tab Advanced RoutingChanges to cancel your changes Wireless Tab Basic Wireless Settings20 Wireless Tab Wireless Security WEP Wireless Tab Wireless Security22 Wireless Tab Wireless Security PSK2 Radius Wireless MAC Filter Wireless Tab Wireless MAC FilterAdvanced Wireless Wireless Tab Advanced Wireless SettingsWireless-G Broadband Router with RangeBooster Web Filters Security Tab FirewallFirewall Internet FilterAccess Restrictions Tab Internet Access Policy Internet Access PolicySecurity Tab VPN Passthrough 33 Internet Policy Summary To create an Internet Access policySingle Port Forwarding Applications and Gaming Tab Single Port Forwarding36 Applications and Gaming Tab Port Range Forward Applications and Gaming Tab Port Range ForwardingApplications & Gaming Tab Port Range Triggering Applications and Gaming Tab DMZPort Triggering Range Management Administration Tab ManagementBackup and Restore Log Administration Tab Log42 Administration Tab Diagnostics Administration Tab DiagnosticsAdministration Tab Firmware Upgrade Administration Tab Factory DefaultsStatus Tab Router Router InformationInternet Connection Status Tab Local Network Status Tab Wireless NetworkAppendix a Troubleshooting Common Problems and SolutionsNeed to set a static IP address on a PC Wireless-G Broadband Router with RangeBooster Open a command prompt. For Windows 98SE and Me TCP Application Start and End Protocol IP Address EnabledCan’t get the Internet game, server, or application to work Wireless-G Broadband Router with RangeBooster 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 Power LED is flashingPower LED keeps flashing Is IPSec Pass-Through supported by the Router? Frequently Asked QuestionsWhere is my SecureEasySetup button? Where is the Router installed on the network?Does the Router support ICQ send file? What is Network Address Translation and what is it used for?How can I block corrupted FTP downloads? Is the Router cross-platform compatible? What is DMZ Hosting?What are the advanced features of the Router? What is the Ieee 802.11g standard?What is ad-hoc mode? What is the Ieee 802.11b standard?What Ieee 802.11g features are supported? What Ieee 802.11b features are supported?What is ISM band? What is Spread Spectrum?What is DSSS? What is FHSS? And what are their differences? How do I resolve issues with signal loss? What is WEP?What is a MAC Address? How do I reset the Router?Appendix B Wireless Security Security PrecautionsSecurity Threats Facing Wireless Networks Appendix B Wireless Security Wireless-G Broadband Router with RangeBooster Appendix C Upgrading Firmware Figure C-1 Upgrade FirmwareAppendix D Windows Help Shared ResourcesNetwork Neighborhood/My Network Places Windows 2000 or XP Instructions Windows 98SE or Me InstructionsFigure E-4 MAC Address Filter List For the Router’s Web-based UtilityAppendix D Glossary Wireless-G Broadband Router with RangeBooster Wireless-G Broadband Router with RangeBooster Wireless-G Broadband Router with RangeBooster Wireless-G Broadband Router with RangeBooster Appendix G Specifications ModelStandards Storage Temp Operating HumidityStorage Humidity Limited Warranty Appendix H Warranty InformationFCC Statement Appendix G Regulatory InformationWireless-G Broadband Router with RangeBooster Wireless-G Broadband Router with RangeBooster Wireless-G Broadband Router with RangeBooster Wireless-G Broadband Router with RangeBooster Wireless-G Broadband Router with RangeBooster Appendix J Contact Information
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