Copyright

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Copyright 2002 Cisco Press

Cisco Press logo is a trademark of Cisco Systems, Inc.

Published by:

Cisco Press

201 West 103rd Street

Indianapolis, IN 46290 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

1 2 3 4 5 6 7 8 9 0

First printing April 2002

Library of Congress Cataloging-in-Publication Number: 2001090433

Warning and Disclaimer

This book is designed to provide information for CCNA candidates looking for hands-on study. 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 neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the 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.

Trademark Acknowledgments

All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Cisco Press or Cisco Systems, Inc., cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark.

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Readers' feedback is a natural continuation of this process. If you have any comments regarding how we could improve the quality of this book, or otherwise alter it to better suit your needs, you can contact us through e-mail at [e-mail]. Please make sure to include the book title and ISBN in your message.

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Credits

Publisher

John Wait

Editor-in-Chief

John Kane

Cisco Systems Program Manager

Michael Hackert

Executive Editor

Brett Bartow

Managing Editor

Patrick Kanouse

Development Editor

Christopher Cleveland

Project Editor

Marc Fowler

Copy Editor

Krista Hansing

Technical Editors

Michael Ashton

Brad Bonin

Steve Kalman

Team Coordinator

Tammi Ross

Book Designer

Gina Rexrode

Cover Designer

Louisa Klucznik

Production Team

Argosy

Indexer

Tim Wright

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Cisco Systems has more than 200 offices in the following countries . Addresses, phone numbers, and fax numbers are listed on the Cisco Web site at www.cisco.com/go/offices

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Copyright 2000, Cisco Systems, Inc. All rights reserved. Access Registrar, AccessPath, Are You Ready, ATM Director, Browse with Me, CCDA, CCDE, CCDP, CCIE, CCNA, CCNP, CCSI, CD-PAC, CiscoLink, the Cisco Net Works logo, the Cisco Powered Network logo, Cisco Systems Networking Academy, Fast Step, FireRunner, Follow Me Browsing, FormShare, GigaStack, IGX, Intelligence in the Optical Core , Internet Quotient, IP/VC, iQ Breakthrough, iQ Expertise, iQ FastTrack, iQuick Study, iQ Readiness Scorecard, The iQ Logo, Kernel Proxy, MGX, Natural Network Viewer, Network Registrar, the Networkers logo, Packet, PIX, Point and Click Internetworking, Policy Builder, RateMUX, ReyMaster, ReyView, ScriptShare, Secure Script, Shop with Me, SlideCast, SMARTnet, SVX, TrafficDirector, TransPath, VlanDirector, Voice LAN, Wavelength Router, Workgroup Director, and Workgroup Stack are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, Empowering the Internet Generation, are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, Cisco, the Cisco Certified Internetwork Expert Logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Collision Free, Enterprise/Solver, EtherChannel, EtherSwitch, FastHub, FastLink, FastPAD, IOS, IP/TV, IPX, LightStream, LightSwitch, MICA, NetRanger, Post-Routing, Pre-Routing, Registrar, StrataView Plus, Stratm, SwitchProbe, TeleRouter, are registered trademarks of Cisco Systems, Inc. or its affiliates in the U.S. and certain other countries.

All other brands, names , or trademarks mentioned in this document or Web site are the property of their respective owners . The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0010R)

Dedications

Gary Heap: To my wife, Alisha, thank you for all your love and support. To my children, Chance and Sawyer, and my dog, Maddy. Without a family, life would be meaningless. To my mother, Christine, for her kindness and encouragement throughout my life; and to my late father, Dan R. Heap, whose example and dedication I will always admire.

Lynn Maynes: To my wife, Alison: Thank you for your understanding and support through the entire process of writing this book. You truly are my love and inspiration.

To my parents, Ruth and Russ: Your love and devotion has been a key influence in my life, for which I'll always be grateful.

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