Part 5. IPv6
For decades, the dominant version of the Internet Protocol has been IPv4. Also for decades, however, another version has been slowly gaining adoption: Internet Protocol version 6 (IPv6), the topic of part 5 of this book. As the pool of available IPv4 addresses has all but dried up in recent years, IPv6 adoption has accelerated, and modern network professionals must be familiar with both IPv4 and IPv6.
Chapter 20 starts with a look at IPv6 addresses. We will explore the concepts of global unicast, unique local, link-local, and multicast addresses in IPv6, as well as how to configure them in Cisco IOS. For CCNA students, who have often just become comfortable with IPv4, IPv6 can seem intimidating. But rest assured that they are actually ...
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