Troubleshooting, Diagnose and solve problems

10. Troubleshooting	10
Diagnose and solve problems

This chapter provides information to help you diagnose and solve problems you might have with your wireless modem router. If you do not find the solution here, check the NETGEAR support site at http://support.netgear.com/general/contact/default.aspx for product and contact information.

This chapter contains the following sections:

•Quick Tips

•Troubleshoot with the LEDs

•Cannot Log In to the Router

•Cannot Access the Internet

•Changes Not Saved

•Incorrect Date or Time

•Wireless Connectivity

•Restore the Factory Settings and Password

•Troubleshoot Your Network Using the Ping Utility

134

Page 134

Image 134

NETGEAR DGND4000 user manual Troubleshooting, Diagnose and solve problems

Contents

N750 WiFi DSL Modem Router Premium Edition Trademarks SupportCompliance Contents USB Printer Control Administration Appendix a Supplemental Information Hardware Setup Get to know your wireless router Product Specifications Weee Hardware Setup Box contents Unpack Your New Router Hardware Features Label Back Panel Back panel port connections Front Panel Front panel LEDs Wireless button GHz Wireless LED Position Your Wireless Router Power On/Off LED Adsl Microfilters One-Line Adsl Microfilter Not Included Summary Cable Your N750 Wireless Modem RouterTwo-Line Adsl Microfilter Included Verify the Cabling Connect to Internet with Adsl or Ethernet WAN Get Started with Netgear genie Wireless Devices and Security Settings Prepare to Set Up the Wireless Modem RouterTypes of Logins and Access Use Standard TCP/IP Properties for Dhcp Browse to http//routerlogin.net Netgear genie Setup To use Netgear genie to set up your wireless modem router  If the browser cannot display the web Use Netgear genie after Installation Upgrade Wireless Modem Router Firmware Wireless Modem Router Dashboard Basic Home Screen Manual Method Add Wireless Devices or Computers to Your NetworkWi-Fi Protected Setup WPS Method  To connect manually  To use WPS to join the wireless network Netgear genie Basic Settings Your Internet connection and network Does Your ISP Require a Login? Answer either yes or no Internet Basic SettingsInternet Basic Settings Screen Fields Attached Devices Internet IP Address Netgear genie Basic Settings Parental Controls USB Storage Basic Settings ReadySHARE USB Storage and Printer Basic Wireless Settings ReadySHARE Printer  To view or change basic wireless settings Wireless Settings Screen Fields Wireless Network Security Options Settings Change WPA Security Option and Passphrase  To set up a guest network Guest Networks Guest Network Wireless Security Options Netgear genie App  To install the genie mobile app Netgear genie Mobile App Specify custom settings Netgear genie Advanced Home Setup Wizard Select Setup Wizard Netgear genie Advanced Home Select either Push Button or PIN Number WPS Wizard To use the WPS Wizard Select Advanced WPS Wizard VPN Wizard  To use the VPN Wizard Select Advanced VPN Wizard Netgear genie Advanced Home Setup Menu Adsl Setup Select Advanced Setup Adsl Settings WAN Setup Select Advanced Setup WAN Setup Change the MTU Size Default DMZ Server To set up a default DMZ server  To change the MTU size Select Advanced Setup WAN Setup Common MTU sizes LAN Setup  To change the LAN settings Select Advanced Setup LAN Setup LAN TCP/IP Setup LAN Setup Screen SettingsUse the Wireless Modem Router as a Dhcp Server Use Router as a Dhcp Server Address Reservation  To reserve an IP address Select Advanced Setup QoS Setup Quality of Service SetupEnable WMM QoS for Wireless Multimedia Applications  To create a QoS policy for applications and online games Set Up QoS for Internet AccessQoS for Applications and Online Gaming Priority Rule Netgear genie Advanced Home Click the Add Priority Rule button QoS for a Wireless Modem Router LAN PortQoS for a MAC Address Click Add Priority Rule Edit or Delete an Existing QoS Policy  To edit or delete a QoS policy Access and configure a USB storage drive USB Storage ReadySHARE Access USB Drive Requirements Store Files in a Central Location for Printing File-Sharing ScenariosShare Photos  To share files with your friends and family USB Storage Basic Settings Share Large Files over the Internet  To access your USB device Add or Edit a Network Folder USB Storage Advanced Settings Safely Remove a USB Drive Available Network Folders Media Server Settings Specify Approved USB Devices Ftp//10.1.65.4 Connect to the USB Drive from a Remote ComputerSelect the Allow only approved devices check box Access and configure a USB printer USB Printer Control USB Printer Control USB Printer Control Center ConfigurationSelect Tools Configuration Scan with a Multifunction Printer Keep unwanted content out of your Security  To delete a keyword or domain Keyword Blocking of Http TrafficSelect Advanced Security Block Sites  To specify a trusted computer Firewall Rules Security Add Custom Services to Allow or Block  To add a custom service TCP UDP TCP/UDP Schedule for Firewall Rules Security Event Email Notifications Administration Manage your network Upgrade the Wireless Modem Router Firmware Internet Port View Wireless Modem Router StatusRouter Information LAN Port Show Statistics Button System up time and poll interval statistics Wireless Settings 2.4 GHz and Wireless Settings 5 GHz Connection Status Button Guest Network 2.4 GHz and Guest Network 5 GHz View VPN Status View Logs of Web Access or Attempted Web AccessSelect Advanced Administration VPN Status Manage the Configuration File Select Advanced Administration Logs  To restore configuration settings that you backed up Back Up SettingsRestore Configuration Settings Do not interrupt the reboot process Set Password Password Recovery Diagnostics Administration Time Machine Set Up Time Machine To set up Time Machine Access the Connected USB Hard Drive  To access the drive Time Machine Before You Back Up a Large Amount of Data Administration Change the Partition Scheme Select Volume SchemeSelect Guid Partition Table or Master Boot Record MBR Advanced Settings Fine-tuning your network Advanced Wireless Settings Select Advanced Advanced Setup Wireless Settings Advanced Settings 103 Advanced Settings 104 Wireless Repeating Function WDS Wireless repeating scenario Wireless Repeating Function Select Advanced Advanced Setup Wireless Repeating Function Set Up the Base Station  To set up the base station Set Up a Repeater Unit  To configure the wireless modem router as a repeater unit Remote Computer Access Basics Port Forwarding and Triggering Port Triggering to Open Incoming Ports Advanced Settings 111 Port Forwarding to Permit External Host Communications How Port Forwarding Differs from Port Triggering Set Up Port Forwarding to Local Servers To set up port forwarding Advanced Settings 114 Click Edit Service or Delete Service Add a Custom ServiceClick the Add Custom Service button Edit or Delete a Port Forwarding Entry  To make a local web server public Set Up Port TriggeringApplication Example Making a Local Web Server Public Advanced Settings 117 Click Add Service Dynamic DNS Static Routes  To set up Dynamic DNSSelect the Use a Dynamic DNS Service check box  To set up a static route Advanced Settings 121 Remote Management USB Settings Universal Plug and Play Advanced Settings 124 IPv6 Traffic Meter Advanced Settings 126 Device Mode VPN Policies Advanced Settings 128 Add or Edit an Auto VPN Policy IKE Fully Qualified Domain Name. Your domain name Parameters Add or Edit a Manual VPN Policy Advanced Settings 133 Troubleshooting Diagnose and solve problems Quick Tips Wireless SettingsNetwork Settings Sequence to Restart Your Network Troubleshoot with the LEDs Power LED Is Off or BlinkingPower LED Stays Red Internet or Ethernet Port LEDs Are Off Wireless LEDs Are OffLEDs Never Turn Off Push N Connect WPS Button Blinks Green Cannot Access the Internet Cannot Log In to the Router Troubleshooting 139  To troubleshoot a PPPoE connection Troubleshoot PPPoETroubleshoot Internet Browsing Incorrect Date or Time Wireless ConnectivityChanges Not Saved Wireless Signal Strength Restore the Factory Settings and PasswordTroubleshoot Your Network Using the Ping Utility Test the LAN Path to Your Router Test the Path from Your Computer to a Remote Device Troubleshooting 144 Specifications Supplemental Information Factory Settings Factory default settings Supplemental Information 147 Technical Specifications DGND4000 Router specifications Supplemental Information 149 Index 150 151 152 153

10. Troubleshooting

Diagnose and solve problems