Perform Diagnostics
The modem router lets you perform various diagnostic tasks. For normal operation, these tasks are not required.
Perform a DNS Lookup
Use this test to find the IP address of a web, FTP, mail, or other server on the Internet.
To look up an IP address:
1. Launch a web browser from a computer or WiFi device that is connected to the network.
2. Enter http://www.routerlogin.net.
A login window opens.
3. Enter the modem router user name and password.
The user name is admin.The default password is password.The user name and password are case-sensitive.
The BASIC Home page displays.
4. Select ADVANCED > Administration > Diagnostics.
The Diagnostics page displays.
5. In the Internet Name field, enter the server’s host name such as www.netgear.com.
6. Click the Lookup button.
The results of the lookup display in the IP address and DNS Server fields.
Ping an IP Address
Use this test to send a ping packet request to an IP address to test the connection. If the request times out because
no reply is received, the destination might be unreachable. However, some network devices can be configured not
to respond to a ping.
To ping an IP address:
1. Launch a web browser from a computer or WiFi device that is connected to the network.
2. Enter http://www.routerlogin.net.
A login window opens.
3. Enter the modem router user name and password.
The user name is admin.The default password is password.The user name and password are case-sensitive.
The BASIC Home page displays.
4. Select ADVANCED > Administration > Diagnostics.
Diagnostics and Troubleshooting
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Nighthawk AC1900 WiFi VDSL/ADSL Modem Router Model D7000
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