Submitted by TimBruce on Tue, 10/28/2008 - 23:18
For computers to talk on a network, they need a unique address. The most common type of address is an Internet Protocol, or IP, address. The address consists of a network portion and a device (computer) portion. I use the term "device" only because it could be something other than a computer, like a printer. It isn’t critical to understanding IP Addresses that there is a separate network portion and a separate device portion, but it does become important when you to want to understand how data moves across your personal network and across the internet.
Submitted by TimBruce on Sun, 10/19/2008 - 22:56
Multiple IP Addresses on a Single NIC
In the previous section "Determining Your IP Address" you may have noticed that there were two interfaces: eth0 and wlan0. However, since I'm running two networks at home (192.168.8.x and 192.168.5.x, as well as the virtual network 192.168.230.x), I can assign an IP Address of 192.168.5.16 to my primary NIC (on the 192.168.8.x network).
The process for creating an IP alias is very similar to the steps outlined for the real interface in the previous section, "Changing Your IP Address":
