Troubleshooting Procedures
48
D3CM1604 DOCSIS 3.0 Cable Modem Administrator Manual
Defective cables. Replace the cable if it is worn or defective.
An Ethernet cable may not be firmly connected at both ends. Secure the cable at both
ends. Often, just reseating the cable into a connector is all that is required.
The NIC may be bad or the network cable connected to it may be the wrong kind (for
example, it might be a straight-through cable when a crossover cable is required). If you
have another NIC and cable available, try using them instead.
The DHCP server that would automatically assign IP addresses is not configured for
DHCP.
Microsoft Windows Vista and 7
To find the IP address of a computer running Microsoft Windows Vista or 7:
3. Click on Start and in the Start Search box type cmd.
4. Press Enter on your keyboard or click cmd.exe in your search list (see Figure 5-2).
Figure 5-2. Example of md.exe in the Search List
5. In the DOS command window, type ipconfig and then press Enter. Your IP address will be
listed.
6. When you finish, type exit at the command prompt and press Enter to close the window.
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