NETGEAR N450/CG3000Dv2 user manual Basic Functions, Connect to the Modem Router’s Main Menu

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N450 WiFi Cable Modem Router Model N450/CG3000Dv2

Basic Functions

After you have turned on power to the modem router, do the following:

1.Check to see that the Power LED is lit.

2.Check that the numbered Ethernet LEDs light momentarily.

3.After a few seconds, check that the LEDs are lit for any local ports that are connected.

The following table provides help when you are using the LEDs for troubleshooting.

Table 2. LED behavior

LED Behavior	Action

All LEDs are off when the modem	• Make sure that the power cord is properly connected to your
router is plugged in.	modem router and that the power supply adapter is properly
	connected to a functioning power outlet.
	• Check that you are using the 12 V DC power adapter supplied by
	NETGEAR for this product.
	If the error persists, you have a hardware problem. Contact technical
	support.

All LEDs stay on.	Clear the modem router’s configuration to factory defaults. This sets
	the modem router’s IP address to 192.168.0.1. See Factory Default
	Settings on page 86.
	If the error persists, you might have a hardware problem. Contact
	technical support.

LAN LED is off for a port with an	• Make sure that the Ethernet cable connections are secure at the
Ethernet connection.	modem router and at the hub or computer.
	• Make sure that power is turned on to the connected hub or
	computer.
	• Be sure that you are using the correct cable.
Internet LED is off and the modem	• Make sure that the coaxial cable connections are secure at the
router is connected to the cable	modem router and at the wall jack.
television cable.	• Make sure that your cable service provider provisioned your cable
	Internet service. Your provider should verify that the signal quality
	is good enough for cable modem service.
	• Remove any excessive splitters you might have on your cable line.
	It might be necessary to run a “home run” back to the point where
	the cable enters your home.

Connect to the Modem Router’s Main Menu

If you are unable to access the modem router’s main menu from a computer on your local network, check the following:

•Check the Ethernet connection between the computer and the modem router as described in Basic Functions on page 81.

Troubleshooting

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Contents N450 WiFi Cable Modem Router Model N450/CG3000Dv2 Support ComplianceTrademarks Contents Appendix a Supplemental Information Connecting to the Internet Hardware Features Ethernet cable Power adapter Modem routerUnpack Your Modem Router Front Panel WPS Back Panel Label Position Your Modem Router To position your modem router  To cable your modem router Cable Your Modem RouterConnect Computer to the Modem Router  To use WPS to connect to the WiFi network To find and select the WiFi network Log In to Your Modem Router To log in to the modem router  To view or configure basic settings View Basic SettingsNotify Your Internet Service Provider Cable ISP Contact Information Configuring Your Wireless Network  To view or configure the wireless settings Set Up Your Wireless NetworkConfiguring Your Wireless Network Use WPS Wireless Setup  To add a client to your modem router using the WPS button Add a Client Using the WPS ButtonConfiguring Your Wireless Network  To add a client to your modem router using a PIN Add a Client Using a PIN To set up Wi-Fi Multimedia Set Up Wi-Fi MultimediaChange the Password  To change the password Filtering Content  To view or set up notification of attacks by email View Denial of Service Attack Logs To block access to sites containing certain words Limit Internet Site Access To allow a keyword that was previously blocked  To block access to certain domains  To unblock a domain  To allow unrestricted access Allow Unrestricted AccessEnable or Disable Modem Router Features  To enable or disable specific firewall features  To enable or disable specific web features  To enable or disable specific NAT ALG Status features Filtering Content Maintaining Your Network  To view the modem router status View the Modem Router StatusView the Connection Status  To view the modem router’s initialization procedureBack Up and Restore Your Settings  To restore the backup settings  To back up the settingsView the Event Log  To view or clear the event log  To run a ping test Run the Diagnostic Utilities To clear the results from the display  To run a traceroute test Traceroute Utility To clear the results from the display Maintaining Your Network Advanced Settings  To configure advanced wireless settings Advanced Wireless SettingsMAC Filtering Configure the settings described in the following tableAdvanced Settings  To stop blocking a computer  To set up IP filtering IP Filtering To remove a computer from the list Advanced Settings  To delete a device from the IP Filter List Port Blocking To add a custom service  To delete a custom service from the Active Filters table Port Forwarding Advanced Settings Port Triggering  To configure port triggeringAdvanced Settings  To return all trigger and target ranges to zero  To remove a configured port trigger from the tableDMZ Host  To set up a DMZ hostLAN IP Setup  To configure LAN IP settingsSelect the Respond to Ping on WAN Port check box Click the Apply button  To reserve an IP address for Dhcp Reserve an IP Address for Dhcp Use To configure the switch ports LAN Switch To disable a LAN port  To configure UPnP Configure Universal Plug and PlaySet Networking Protocols  To enable NTPEnable Network Address Translation Access a USB Device on the Network  To disable NAT To access a USB device from a Windows computer  To access a USB device from a MAC computer Type smb//192.168.0.5 in the Server Address field Select Go Connect to Server To safely remove a USB device Click the Safely Remove USB Device button Troubleshooting Connect to the Modem Router’s Main Menu Basic FunctionsTroubleshoot the ISP Connection Troubleshoot a TCP/IP Network Using a Ping UtilityPing Test the LAN Path to Your Modem RouterTroubleshooting Supplemental Information Factory default settings Factory Default SettingsWPA/WPA2 Technical SpecificationsSupplemental Information