NETGEAR DGND3300 user manual Chapter Troubleshooting, Quick Tips, Recommendation Instructions

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RangeMax Dual Band Wireless-N Modem Router DGND3300 User Manual

Chapter 7

Troubleshooting

This chapter provides information about troubleshooting your RangeMax Dual Band Wireless-N Modem Router. After each problem description, instructions are provided to help you diagnose and solve the problem. As a first step, review the Quick Tips.

Tip: NETGEAR provides helpful articles, documentation, and the latest firmware updates at http://www.netgear.com/support.

This chapter includes the following sections:

•Quick Tips

•“Troubleshooting with the LEDs” on page 7-2

•“Cannot Access the Internet” on page 7-5

•“Troubleshooting a Network Using the Ping Utility” on page 7-7

•“Problems with Date and Time” on page 7-9

•“Wireless Connectivity” on page 7-9

Quick Tips

This section describes tips for troubleshooting some common problems.

Table 7-1. Quick Tips

	Recommendation	Instructions

	You can turn off the dome lights for the	Tap the dome to turn off the lights. These lights identify the
	modem router.	activity of the eight internal antennas, flashing to show which
		combination of antennas is receiving the strongest signals.
	Be sure to restart your network in this	1.	Unplug the modem router.
	sequence.	1.	Unplug the modem router.
	sequence.	1.	Turn off the computers.
		2.	Plug in the modem router. Wait 1 minute.
		3.	Turn on the computers.

Troubleshooting

7-1

v1.0, March 2009

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Contents NETGEAR, Inc Certificate of the Manufacturer/Importer Product Registration, Support, and DocumentationTrademarks Statement of ConditionsEurope EU Declaration of Conformity FCC Guidelines for Human Exposure FCC Information to UserFCC Radio Frequency Interference Warnings & Instructions FCC Declaration Of ConformityProduct and Publication Details Contents Chapter Protecting Your Network Appendix B Related Documents Index V1.0, March Conventions, Formats, and Scope About This ManualHow to Print This Manual How to Use This ManualRevision History Publication Revision HistoryVersion Date Description V1.0 March Original publication Xiv Using the Setup Manual Chapter Configuring Your Internet ConnectionDocument in Preparing Your Network in Appendix B Logging In to Your Modem RouterV1.0, March Using the Setup Wizard Viewing or Manually Configuring Your ISP Settings ISP does not require login Basic Settings screen fields Settings DescriptionGet Automatically from ISP. Your ISP uses Dhcp to Xxxxxxxxxxxx Configuring Adsl SettingsV1.0, March V1.0, March Planning Your Wireless Network Chapter Safeguarding Your NetworkSee Manually Configuring Your Wireless Settings on Wireless Placement and Range GuidelinesWireless data Security options Range up to 300 foot radius Wireless Security OptionsManually Configuring Your Wireless Settings Wireless Settings Configuring WEP Wireless Security WPA-802.1xNetwork Key 8-63 characters Security Options section, select the WEP radio button Configuring WPA, WPA2, or Mixed WPA2 + WPA Wireless Security V1.0, March Using Push N Connect WPS to Configure Your Wireless Network Using a WPS Button to Add a WPS Client Using PIN Entry to Add a WPS Client Configuring Advanced WPS Settings Adding More WPS Clients Adding Both WPS and Non-WPS Clients Enable Wireless Router Radio Restricting Access to Your Modem RouterV1.0, March V1.0, March Chapter Protecting Your Network Protecting Access to Your Modem RouterChanging the Built-In Password Restricting Access by MAC AddressSelect the Turn Access Control On checkbox Blocking Access to Internet Sites V1.0, March Firewall Rules Field Outbound Rules Inbound Rules Adding or Editing Firewall Service RulesBlocking Access to Internet Services V1.0, March Scheduling Blocking Viewing Logs of Web Access or Attempted Web Access Log Entry DescriptionsField Description Configuring E-mail Alert and Web Access Log Notifications Setting the Time V1.0, March Upgrading the Firmware Chapter Using Network Monitoring ToolsManually Checking for Firmware Upgrades V1.0, March Viewing Modem Router Status Information Dhcp Modem Router Status FieldsConnection Status Connection Status Settings StatisticsModem Router Statistics Viewing a List of Attached Devices Backing Up and Restoring the Configuration Managing the Configuration FileErasing the Configuration Running Diagnostic Utilities and Rebooting the Modem Router Select the Turn Remote Management On check box Enabling Remote Management AccessV1.0, March V1.0, March Using the LAN Setup Options Chapter Customizing Your Network SettingsSettings LAN SetupLAN TCP/IP Address Reservation Using the Modem Router as a Dhcp ServerUsing a Dynamic DNS Service Select the Use a Dynamic DNS Service check box Configuring the WAN Setup Options WAN Setup SettingsSetting Description WAN Port Setting Up a Default DMZ ServerConfiguring QoS for Internet Access Setting up Quality of Service QoSQoS for Applications and Online Gaming QoS for a Router LAN Port QoS for a MAC Address Editing or Deleting an Existing QoS Policy Configuring Static Routes V1.0, March Wireless Repeating Also Called WDS Wireless Repeating Function Setting Up the Base Station Fill in the Base Station MAC Address field Setting Up a Repeater UnitV1.0, March Chapter Fine-Tuning Your Network Assessing Your Speed Requirements Optimizing Your Network Bandwidth Theoretical Transfer Time for 1 GigabyteNetwork Connection Theoretical Raw Transfer Time RangeMax Dual Band Wireless-N Modem Router Identify critical wireless links Optimizing Wireless PerformanceChanging the MTU Size Choose your settingsUniversal Plug and Play Common MTU SizesApplication V1.0, March Recommendation Instructions Chapter TroubleshootingQuick Tips Quick TipsTroubleshooting with the LEDs Situation Recommended Action Troubleshooting with the LEDsCannot Access the Router Menu Cannot Access the Internet Checking the ConfigurationChecking the WAN IP Address V1.0, March Testing the LAN Path to Your Router Troubleshooting a Network Using the Ping UtilityPing -n 10 IP address Testing the Path from Your Computer to a Remote DeviceWireless Connectivity Problems with Date and TimeViewing Available Networks Using the Restore Factory Settings Button Restoring the Factory Configuration SettingsLocal network LAN Table A-1. Default Configuration SettingsFeature Default Setting Router login Internet connectionPower Adapter Technical SpecificationsTable A-1. Specifications Feature Default Setting WirelessInterface Specifications EnvironmentalRegulatory Compliance Document Link Appendix B Related DocumentsV1.0, March Index Index-2 Index-3 Index-4