CHAPTER
5
Subnetting and VLSM
In this chapter, you will
• Learn about subnetting networks
• Learn some subnetting shortcuts
• Understand the difference between classful and classless addressing
• Learn about Variable Length Subnet Masks (VLSMs)
In Chapter 4 you learned the basics of TCP/IP addressing. In this chapter, you’ll learn how to divide one network address range into multiple network ranges, or subnets, so that you can assign each address range to a separate network (subnet) in your internetwork (network made up of multiple networks).
You may need to use multiple networks as a result of your business operating in several different physical locations, for example. Or, if you’re working in one location, you may want to cut ...
Get CCT/CCNA Routing and Switching All-in-One Exam Guide (Exams 100-490 & 200-301) 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.
