SUBNETTING INTRODUCTION<br />Developed by Peter Smith<br />
Introduction<br />Subnetting is the foundation underlying the expansion of both Local Networks & the Internet in today’s w...
Introduction<br />There are 2 fundamental reasons why subnetting has so much importance in today’s networking environment:...
Introduction<br />There are only 3 usable IP address classes:<br />Class A<br />Class B<br />Class C<br />Class A networks...
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Subnetting Introduction

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Subnetting Introduction

  1. 1. SUBNETTING INTRODUCTION<br />Developed by Peter Smith<br />
  2. 2. Introduction<br />Subnetting is the foundation underlying the expansion of both Local Networks & the Internet in today’s world.<br />Subnetting has become essential knowledge for the Administrator of any network.<br />Peter Smith<br />2<br />
  3. 3. Introduction<br />There are 2 fundamental reasons why subnetting has so much importance in today’s networking environment:<br />The world is running out of available IP addresses. <br />Subnetting reduces the size of the routing tables stored in routers. <br />Peter Smith<br />3<br />
  4. 4. Introduction<br />There are only 3 usable IP address classes:<br />Class A<br />Class B<br />Class C<br />Class A networks have the highest number of available hosts.<br />Class C networks have the fewest number of hosts.<br />Peter Smith<br />4<br />

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