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CCNA® Cisco Certified Network Associate: Study Guide, Seventh Edition by Todd Lammle

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The Benefits and Uses of IPv6

So what’s so fabulous about IPv6? Is it really the answer to our coming dilemma? Is it really worth it to upgrade from IPv4? All good questions—you may even think of a few more. Of course, there’s going to be that group of people with the time-tested and well-known “resistance to change syndrome,” but don’t listen to them. If we had done that years ago, we’d still be waiting weeks, even months for our mail to arrive via horseback. Instead, just know that the answer is a resounding YES! Not only does IPv6 give us lots of addresses (3.4 × 1038 = definitely enough), but there are many other features built into this version that make it well worth the cost, time, and effort required to migrate to it. Later in the chapter ...

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