You are previewing IPv6 Fundamentals: A Straightforward Approach to Understanding IPv6.

IPv6 Fundamentals: A Straightforward Approach to Understanding IPv6

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Chapter 3. IPv6 Addressing

The most recognizable difference between IPv4 and IPv6 is the address space. An IPv4 address is 32 bits and expressed in dotted-decimal notation, whereas an IPv6 address is 128 bits in length and written in hexadecimal. IPv6 addressing is defined in RFC 4291, IP Version 6 Addressing Architecture.

In this chapter, you will become familiar with reading IPv6 addresses and recognizing the different parts. You will take a brief look at the different types of IPv6 addresses and the basic structure of a global unicast address. You will configure a router’s interface with an IPv6 address and verify reachability with the ping command. This chapter also examines how to subnet an IPv6 address, which in most cases, is much easier ...

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