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NETGEAR N450/CG3000Dv2 Test the LAN Path to Your Modem Router, Test the Path from Your Computer to a Remote Device

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Troubleshooting

83

N450 WiFi Cable Modem Router Model N450/CG3000Dv2

easily troubleshoot a TCP/IP network by using the ping utility in your computer or

workstation.

Test the LAN Path to Your Modem Router

You can use ping to verify that the LAN path to your modem router is set up correctly.

To ping the modem router from a computer running Windows 95 or later:

1. From the Windows toolbar, click the Start button and select Run.

2. In the field provided, type ping followed by the IP address of the modem router, as in this

example:

ping 192.168.0.1

3. Click the OK button.

You should see a message like this one:

Pinging <IP address> with 32 bytes of data

If the path is working, you see this message:

Reply from < IP address >: bytes=32 time=NN ms TTL=xxx

If the path is not working, you see this message:

Request timed out

If the path is not working correctly, you could have one of the following problems:

•Wrong physical connections. Check the following:

-Make sure that the LAN port LED is lit. If the LED is off, see Basic Functions on

page 81.

-Check that the corresponding LEDs are lit for your network interface card and for

the hub ports (if any) that are connected to your workstation and modem router.

•Wrong network configuration. Check the following:

-Verify that the Ethernet card driver software and TCP/IP software are both

installed and configured on your computer or workstation.

-Verify that the IP address for your modem router and your workstation are correct

and that the addresses are on the same subnet.

Test the Path from Your Computer to a Remote Device

After verifying that the LAN path works correctly, test the path from your computer to a

remote device. From the Windows Run dialog box, type:

ping -n 10 <IP address>

where <IP address> is the IP address of a remote device such as your ISP’s DNS server.

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)