NETGEAR CG814WG V3 manual Troubleshooting the ISP Connection

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Troubleshooting the ISP Connection

Wireless Cable Modem Gateway CG814WG v3 Reference Manual

•Make sure that your PC’s IP address is on the same subnet as the gateway. If you are using the recommended addressing scheme, your PC’s address should be in the range of 192.168.0.10 to 192.168.0.254. Refer to the link to the online document “Internet Networking and TCP/IP Addressing” on page B-1for help configuring your computer.

Note: If your PC’s IP address is shown as 169.254.x.x:

Recent versions of Windows and MacOS will generate and assign an IP address if the computer cannot reach a DHCP server. These auto-generated addresses are in the range of 169.254.x.x. If your IP address is in this range, check the connection from the PC to the gateway and reboot your PC.

•If your gateway’s IP address has been changed and you don’t know the current IP address, clear the gateway’s configuration to factory defaults. This will set the gateway’s IP address to 192.168.0.1. This procedure is explained in “Diagnostics” on page 4-10.

•Make sure your browser has Java, JavaScript, or ActiveX enabled. If you are using Internet Explorer, click Refresh to be sure the Java applet is loaded.

•Try quitting the browser and launching it again.

•Make sure you are using the correct login information. The factory default login name is admin and the password is password. Make sure that CAPS LOCK is off when entering this information.

If the gateway does not save changes you have made in the Web Configuration Interface, check the following:

•When entering configuration settings, be sure to click the APPLY button before moving to another menu or tab, or your changes are lost.

•Click the Refresh or Reload button in the Web browser. The changes may have occurred, but the Web browser may be caching the old configuration.

Troubleshooting the ISP Connection

If your gateway is unable to access the Internet and your Cable Link LED is on, you may need to register the Cable MAC Address and/or Device MAC Address of you gateway with your cable service provider. This is described in “Connecting the CG814WG v3 Gateway” on page 1-4.

Additionally, your PC may not have the gateway configured as its TCP/IP gateway. If your PC obtains its information from the gateway by DHCP, reboot the PC and verify the gateway address. See the link to the online document “Internet Networking and TCP/IP Addressing” on page B-1

Troubleshooting

5-3

v1.0, June 2007

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Contents NETGEAR, Inc Wireless Cable Modem Gateway CG814WG Reference ManualFCC Warning Statement Safety InformationTrademarks Statement of ConditionsCertificate of the Manufacturer/Importer Technical SupportProduct and Publication Details Bestätigung des Herstellers/Importeursv1.0, June Content Filtering and Firewall Rules ContentsConnecting the Gateway to the Internet Wireless ConfigurationManaging Your Network Wireless Cable Modem Gateway CG814WG v3 Reference ManualTroubleshooting Technical Specifications and Factory Default SettingsConventions, Formats and Scope About This ManualPrinting a Chapter How to Use This ManualHow to Print this Manual Printing a Page in the HTML ViewPrinting the Full Manual About This Manual Package Contents Chapter 1 Connecting the Gateway to the InternetFront Panel Table 1-1. LED Descriptions Connecting the Gateway to the InternetRear Panel What You Need Before You BeginHardware Requirements Installation Connecting the CG814WG v3 GatewayLAN Configuration Requirements Internet Configuration RequirementsPage The power light is lit after turning on the gateway 3. Log in to the Gateway When you connect to the gateway the Gateway status screen opens Chapter Wireless Configuration Wireless Placement and Range Guidelines Authentication SSID and Wireless Security Settings FormViewing or Changing Wireless Settings Table 2-1. Wireless Settings Turning on Access Control to Restrict Access by MAC Address To restrict access based on MAC addresses How to Configure WEP Wired Equivalent Privacy Settings for WEP encryption are shown on the screen How to Configure WPA 2-11 Radius Port Port number of the Radius Server. The default is2-12 Content Filtering Chapter Content Filtering and Firewall RulesLogs Blocking Keywords, Sites, and ServicesBlocking Keywords and Domains Services Table 3-1. Services Firewall RulesPort Forwarding Considerations for Port Forwarding Port BlockingContent Filtering and Firewall Rules Chapter Managing Your Network MaintenanceTable 4-1. Gateway Status Fields Gateway StatusManaging Your Network Signal Status Set Password Restoring Saved Settings Backup SettingsEvent Log Resetting to Factory Default SettingsWAN Setup Advanced SettingsDynamic DNS LAN IP Settings Ping Test DiagnosticsPerform a DNS Lookup Reboot the Router Remote Management AccessDisplay the Routing Table UPnP Revert to Factory Default SettingURL to Connect to This Device For more information, see the online help 4-14 Basic Functions Chapter TroubleshootingUsing LEDs to Troubleshoot Connecting to the Gateway’s Main MenuTroubleshooting the ISP Connection Testing the LAN Path to Your Gateway Troubleshooting a TCP/IP Network Using a Ping UtilityTesting the Path from Your PC to a Remote Device Troubleshooting Technical Specifications Appendix A Technical Specifications and Factory Default SettingsTechnical Specifications and Factory Default Settings Table A-1. Default Configuration Settings Factory Default SettingsWPA-PSKTKIP, and WPA2-PSKAES v1.0, June Inbound communications coming in from Appendix B Related Documents Related Documents
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