Linksys WRH54G manual Power LED keeps flashing

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Wireless-G Home Router

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

53

Common Problems and Solutions

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Contents Wireless- G Copyright and Trademarks Word definitionTable of Contents Appendix a Troubleshooting Appendix B Wireless SecurityAppendix C Upgrading Firmware Appendix D Windows Help List of Figures Router’s Back Panel23 Wireless Tab Wireless Security Radius Figure E-1 IP Configuration Screen Introduction WelcomeWhat’s in this User Guide? Wireless-G Home Router Planning Your Wireless Network Ad-Hoc versus Infrastructure ModeSsid service set identifier your wireless network’s name Network TopologyPlanning Your Wireless Network Network Layout Getting to Know the Wireless-G Home Router Back PanelFront Panel Router’s LEDs are located on the front panelConnecting the Wireless-G Home Router OverviewConnecting Your Network Devices Hardware Installation for Connection to Another Router Connecting Another RouterConnecting Your Network Devices Configuring the Wireless-G Home Router Welcome ScreenSetup Tab Basic Setup Internet SetupPPPoE Connection Type Optional Settings Network Setup Time Setting Setup Tab Ddns DdnsSetup Tab MAC Address Clone TZO.comSetup Tab Advanced Routing 15 Setup Tab Advanced Routing RouterSetup Tab WAN Port Configure Wireless Tab Basic Wireless SettingsWireless Tab Wireless Security 19 Wireless Tab Wireless Security WPA Personal22 Wireless Tab Wireless Security WPA2 Enterprise 23 Wireless Tab Wireless Security Radius Wireless Tab MAC Filtering 25 Wireless Tab Wireless MAC FilterWireless Tab Advanced Wireless Settings Severely decrease performanceWireless-G Home Router Security Tab Firewall Additional FiltersSecurity Tab VPN Passthrough Security Tab ARPAccess Restrictions Tab Internet Access 31 Access Restrictions Tab Internet Access34 Port Services Applications and Gaming Tab Single Port Forward 35 Single Port ForwardWireless-G Home Router Applications and Gaming Tab Port Range Forward 36 Applications and Gaming Tab Port Range ForwardApplications & Gaming Tab Port Triggering Triggered RangeApplications and Gaming Tab UPnP 38 Applications and Gaming Tab UPnPApplications and Gaming Tab DMZ 39 Applications and Gaming Tab DMZAdministration Tab Management Administration Tab LogAdministration Tab Diagnostics 43 Administration Tab Diagnostics45 The Traceroute Test Administration Tab Factory Defaults Administration Tab Firmware UpgradeAdministration Tab Config Management Administration Tab Reboot Status Tab RouterStatus Tab Local Network 52 Status Tab Local NetworkStatus Tab Traffic Statistics 54 Traffic StatisticsStatus Tab Wireless 55 Status Tab WirelessAppendix a Troubleshooting Common Problems and SolutionsNeed to set a static IP address on a PC Wireless-G Home Router Open a command prompt. For Windows 98SE and Me Application Start and End Protocol IP Address Enabled Can’t get the Internet game, server, or application to work Wireless-G Home Router To start over, I need to set the Router to factory default Need to upgrade the firmwareFirmware upgrade failed, and/or the Power LED is flashing My DSL service’s PPPoE is always disconnectingPower LED keeps flashing Frequently Asked Questions Where is my SecureEasySetup button?Where is the Router installed on the network? Is IPSec Pass-Through supported by the Router?What is Network Address Translation and what is it used for? Does the Router support ICQ send file?How can I block corrupted FTP downloads? What is DMZ Hosting? What are the advanced features of the Router?What is the Ieee 802.11g standard? Is the Router cross-platform compatible?What is the Ieee 802.11b standard? What Ieee 802.11g features are supported?What Ieee 802.11b features are supported? What is ad-hoc mode?What is ISM band? What is Spread Spectrum?What is DSSS? What is FHSS? And what are their differences? What is WEP? What is a MAC Address?How do I reset the Router? How do I resolve issues with signal loss?Appendix B Wireless Security Security PrecautionsSecurity Threats Facing Wireless Networks Appendix B Wireless Security Wireless-G Home Router Figure C-1 Upgrade Firmware Appendix C Upgrading FirmwareAppendix D Windows Help TCP/IPWindows 98SE or Me Instructions Windows 2000 or XP InstructionsFor the Router’s Web-based Utility Figure E-4 MAC Address Filter ListAppendix F Glossary Wireless-G Home Router Wireless-G Home Router Wireless-G Home Router Wireless-G Home Router Appendix G Specifications WRH54GFCC Appendix H Warranty Information Limited WarrantyAppendix I Regulatory Information Wireless-G Home Router Wireless-G Home Router Wireless-G Home Router Wireless-G Home Router Wireless-G Easy Router Appendix J Contact Information
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