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EIGRP Network Design Solutions Copyright
Copyright Information
Copyright © 2000 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 anyinformation 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 Library of Congress Cataloging-in-Publication Number: 99-61718

Warning and Disclaimer
This book is designed to provide information about EIGRP Network Design Solutions. Every effort hasbeen 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 author, 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 orprograms 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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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 bookshould not be regarded as affecting the validity of any trademark or service mark.

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Dedications
This book is dedicated to my wife, Karmen.

Aboutthe Author
Ivan Pepelnjak, CCIE #1354, has over 10 years of experience in designing, installing, troubleshooting, and operating large corporate and service provider WAN and LAN networks. He is currently the technical director of NIL Data Communications, a hightech data communications company in Slovenia (http://www.NIL.si). His previous activities include LAN and SNA product development. Ivan isrecognized as a Cisco routing authority in Europe and led the design or implementation of several large service provider and enterprise networks throughout Europe. He is the author of highly successful Advanced BGP, OSPF, and EIGRP Configuration and Troubleshooting courses offered by Cisco Systems to its European partners and customers.

About the Technical Reviewers
Don Slice, CCIE #1929, is anEscalation Engineer in RTP, North Carolina, and was formerly a senior engineer on the routing protocols team in the RTP TAC. He is an acknowledged expert in EIGRP, OSPF, and general IP routing issues and is well known for his knowledge of DECnet, CLNS/ISIS, and DNS, among other things. Don provides escalation support to Cisco engineers worldwide. Russ White, CCIE #2635, is an Escalation Engineerfocusing on routing protocols and architecture that supports Cisco engineers worldwide. Russ is well known within Cisco for his knowledge of EIGRP, BGP, and other IP routing issues.

Acknowledgments
Every major project is a result of teamwork and this book is no exception. First of all, I'd like to thank my development editor, Allison Johnson, who helped me with the intricacies of writing a...