2.7. Identifying the Purpose of Subnetting
If you use a classful network address with a default subnet mask, then you have one and only one network. This might be fine if you only have one location, but what if you have many locations? Do you have to be assigned another classful network address for each location? You do unless you can divide your network into multiple networks so that you can use the network addresses in a more efficient manner. In addition, if you are using two different technologies, such as Ethernet and Token Ring, then you would need to maintain them on two separate net-works for security and control. These are the main reasons for subnetting. In this section, we discuss subnetting in greater detail.
2.7.1. Critical Information ...
Get Network+™ Fast Pass now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
