NETGEAR N450/CG3000Dv2

Troubleshooting

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

If the path is functioning correctly, replies as in the previous section are displayed. If you do

not receive replies, do the following:

•Check that your computer has the IP address of your modem router listed as the default

modem router. If the IP configuration of your computer is assigned by DHCP, this

information is not visible in your computer’s Network Control Panel. Verify that the IP

address of the modem router is listed as the default modem router.

•Check to see that the network address of your computer (the portion of the IP address

specified by the netmask) is different from the network address of the remote device.

•Check that your Internet LED is lit.

Contents

Main Page Contents Chapter 1 Connecting to the Internet Chapter 2 Configuring Your Wireless Network Chapter 3 Filtering Content Chapter 4 Maintaining Your Network Chapter 6 Troubleshooting Appendix A Supplemental Information Page Unpack Your Modem Router Hardware Features Front Panel The router front panel has the following status LEDs and buttons: Connecting to the Internet N450 WiFi Cable Modem Router Model N450/CG3000Dv2 Table 1. LEDs and buttons Back Panel Label Position Your Modem Router Cable Your Modem Router Connect Computer to the Modem Router Wired Connection WiFi Connection Log In to Your Modem Router View Basic Settings Notify Your Internet Service Provider Page Page Set Up Your Wireless Network Configure Wireless Settings Manually Page Use WPS Wireless Setup Add a Client Using the WPS Button Page Add a Client Using a PIN Set Up Wi-Fi Multimedia Change the Password Page Page View Denial of Service Attack Logs Limit Internet Site Access Page Page Page Allow Unrestricted Access Enable or Disable Modem Router Features Page Page Page Page Page View the Modem Router Status View the Connection Status Back Up and Restore Your Settings Page View the Event Log Page Run the Diagnostic Utilities Ping Utility Page Traceroute Utility Page Page Page Advanced Wireless Settings MAC Filtering Page Page IP Filtering Page Port Blocking Page Page Port Forwarding Page Port Triggering Page Page DMZ Host LAN IP Setup Page Reserve an IP Address for DHCP Use LAN Switch Page Configure Universal Plug and Play Set Networking Protocols Enable Network Address Translation Access a USB Device on the Network Page Page Page Page Page Basic Functions Connect to the Modem Routers Main Menu Troubleshoot the ISP Connection Troubleshoot a TCP/IP Network Using a Ping Utility Test the LAN Path to Your Modem Router Test the Path from Your Computer to a Remote Device Page Page Supplemental Information N450 WiFi Cable Modem Router Model N450/CG3000Dv2 Factory Default Settings Table 3. Factory default settings Supplemental Information N450 WiFi Cable Modem Router Model N450/CG3000Dv2 Technical Specifications The following table describes the technical specifications for the modem router. Table 4. Technical specifications Table 3. Factory default settings (continued)