(2010) [.Cisco Press.] CCNA Exploration Course Booklet, Routing Protocols and Concepts v4.0.pdf

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Course Booklet
CCNA Exploration
Routing Protocols and Concepts
Version 4.0
ciscopress.com
ii
CCNA Exploration Course Booklet: Routing Protocols and Concepts, Version 4.0
Publisher
Paul Boger
Associate Publisher
Dave Dusthimer
Cisco Representative
Erik Ullanderson
Cisco Press
Program Manager
Anand Sundaram
Executive Editor
Mary Beth Ray
Managing Editor
Patrick Kanouse
Project Editor
Bethany Wall
Editorial Assistant
Vanessa Evans
Cover Designer
Louisa Adair
Composition
Mark Shirar
CCNA Exploration Course Booklet
Routing Protocols and Concepts,
Version 4.0
Cisco Networking Academy
Copyright© 2010 Cisco Systems, Inc.
Published by:
Cisco Press
800 East 96th Street
Indianapolis, IN 46240 USA
All rights reserved. No part of this book may be reproduced or transmitted in any
form or by any means, electronic or mechanical, including photocopying, recording,
or by any information storage and retrieval system, without written permission from
the publisher, except for the inclusion of brief quotations in a review.
Printed in the United States of America
First Printing September 2009
Library of Congress Cataloging-in-Publication Data is available upon request
ISBN-13: 978-1-58713-251-3
ISBN-10: 1-58713-251-6
iii
Warning and Disclaimer
This book is designed to provide information about the protocols and concepts of routing. Every effort has been
made to make this book as complete and as accurate as possible, but no warranty or fitness is implied.
The information is provided on an “as is” basis. The authors, Cisco Press, and Cisco Systems, Inc. shall have
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information contained in this book or from the use of the discs or programs that may accompany it.
The opinions expressed in this book belong to the author and are not necessarily those of Cisco Systems, Inc.
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CCNA Exploration Course Booklet: Routing Protocols and Concepts, Version 4.0
Contents at a Glance
Introduction
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Glossary
1
5
Introduction to Routing and Packet Forwarding
Static Routing
35
67
Introduction to Dynamic Routing Protocols
Distance Vector Routing Protocols
RIP version 1
99
117
83
VLSM and CIDR
RIPv2
129
The Routing Table: A Closer Look
EIGRP
163
187
145
Link-State Routing Protocols
OSPF
225
203
v
Contents
Introduction
Chapter 1
1
5
Introduction to Routing and Packet Forwarding
Chapter Introduction
1.1 Inside the Router
5
5
1.1.1 Routers are Computers 5
1.1.2 Router CPU and Memory 7
1.1.3 Internetwork Operating System 9
1.1.4 Router Boot-up Process 9
1.1.5 Router Interfaces 12
1.1.6 Routers and the Network Layer 14
1.2 CLI Configuration and Addressing
15
1.2.1 Implementing Basic Addressing Schemes 15
1.2.2 Basic Router Configuration 16
1.3 Building the Routing Table
19
1.3.1 Introducing the Routing Table 19
1.3.2 Directly-Connected Networks 21
1.3.3 Static Routing 21
1.3.4 Dynamic Routing 22
1.3.5 Routing Table Principles 23
1.4 Path Determination and Switching Functions
24
1.4.1 Packet Fields and Frame Fields 24
1.4.2 Best Path and Metric 25
1.4.3 Equal Cost Load Balancing 26
1.4.4 Path Determination 27
1.4.5 Switching Function 27
1.5 Router Configuration Labs
30
1.5.1 Cabling a Network and Basic Router Configuration 30
1.5.2 Basic Router Configuration 31
1.5.3 Challenge Router Configuration 31
Summary and Review
Chapter Quiz
31
30
Chapter 2
Static Routing
35
35
35
Chapter Introduction
2.1 Routers and Network
2.1.1 Role of the Router 35
2.1.2 Introducing the Topology 36
2.1.3 Examining the Connections of the Router 36

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