SMC Networks D3CM1604 Administrator's Manual page 47

Figure 5-1. Example of IP Addresses for Networked Devices
You define the computer's IP address using the procedure appropriate for your operating
system, as described in Chapter 3.
Tip: The following Windows sections describe how to use the command-line program
Windows IP Configuration (ipconfig) to see the IP address of a computer running a Windows
operating system. However, if you want even more information, such as IP routing and DHCP
information, type ipconfig /all instead of ipconfig in the Windows sections that follow.
The most common problem associated when viewing IP addresses is that either:
A computer's IP address is not on the same subnet as the other networked devices. In
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other words, the first nine numbers (three octets) in the device's IP address are not
identical to those of the other networked devices.
A computer shows an IP address that starts with the digits 169.254 . When this
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happens, it often means the computer could not retrieve a network address from a
DHCP server and therefore automatically assigned itself an address from the base
network address 169.254 . This would be fine if all the computers on your network used
IP addresses from the 169.254 base network address. If one of them isn't, however,
that computer will have problems connecting to the other network computers.
Possible causes for an IP address not being assigned are:
D3CM1604 DOCSIS 3.0 Cable Modem Administrator Manual
Troubleshooting Procedures
47