Netgear DGN2200 DGN2200 User Manual - Page 112

Troubleshooting Internet Browsing, Troubleshooting a TCP/IP Network Using the Ping Utility

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Wireless-N 300 Modem Router DGN2200 User Manual Troubleshooting Internet Browsing If your wireless-N modem router can obtain an IP address, but your computer is unable to load any Web pages from the Internet: • Your computer might not recognize any DNS server addresses. A DNS server is a host on the Internet that translates Internet names (such as www addresses) to numeric IP addresses. Typically your ISP provides the addresses of one or two DNS servers for your use. If you entered a DNS address during the wireless-N modem router's configuration, reboot your computer, and verify the DNS address as described in the online document that you can access from "Preparing Your Network" in Appendix B. Alternatively, you can configure your computer manually with DNS addresses, as explained in your operating system documentation. • Your computer might not have the wireless-N modem router configured as its TCP/IP wireless-N modem router. If your computer obtains its information from the wireless-N modem router by DHCP, reboot the computer, and verify the wireless-N modem router address as described in the online document that you can access from "Preparing Your Network" in Appendix B. Troubleshooting a TCP/IP Network Using the Ping Utility Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet to the designated device. The device then responds with an echo reply. You can easily troubleshoot a TCP/IP network by using the ping utility in your computer. Testing the LAN Path to Your Wireless-N Modem Router You can ping the router from your computer to verify that the LAN path to your router is set up correctly. To ping the router from a PC 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 router, as in this example: ping 192.168.0.1 3. Click OK. You should see a message like this one: Troubleshooting 7-8 v1.0, March 2010

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Wireless-N 300 Modem Router DGN2200 User Manual
Troubleshooting
7-8
v1.0, March 2010
Troubleshooting Internet Browsing
If your wireless-N modem router can obtain an IP address, but your computer is unable to load any
Web pages from the Internet:
•
Your computer might not recognize any DNS server addresses.
A DNS server is a host on the Internet that translates Internet names (such as www addresses)
to numeric IP addresses. Typically your ISP provides the addresses of one or two DNS servers
for your use. If you entered a DNS address during the wireless-N modem router’s
configuration, reboot your computer, and verify the DNS address as described in the online
document that you can access from
“Preparing Your Network” in Appendix B
. Alternatively,
you can configure your computer manually with DNS addresses, as explained in your
operating system documentation
.
•
Your computer might not have the wireless-N modem router configured as its TCP/IP
wireless-N modem router.
If your computer obtains its information from the wireless-N modem router by DHCP, reboot
the computer, and verify the wireless-N modem router address as described in the online
document that you can access from
“Preparing Your Network” in Appendix B
.
Troubleshooting a TCP/IP Network Using the Ping Utility
Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet
to the designated device. The device then responds with an echo reply. You can easily troubleshoot
a TCP/IP network by using the ping utility in your computer.
Testing the LAN Path to Your Wireless-N Modem Router
You can ping the router from your computer to verify that the LAN path to your router is set up
correctly.
To ping the router from a PC 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 router, as in this example:
ping 192.168.0.1
3.
Click
OK
.
You should see a message like this one: