tailieunhanh - CCIE Professional Development: Routing TCP/IP, Volume I

Routing is an essential element of all but the smallest data communications networks. At one level, routing and the configuration of routers are quite simple. But as internetworks grow in size and complexity, routing issues can become at once both large and subtle. Perversely, perhaps, I am grateful for the difficult problems large-scale routing can present—as a network systems consultant, these problems are my bread and butter. Without them, the phrase "You want fries with that?" could be an unfortunate part of my daily vocabulary | CCIE Professional Development Routing TCP IP Volume I Copyright Information Copyright 1998 by Macmillan Technical Publishing Cisco Press logo is a trademark of Cisco Systems Inc. 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 2 3 4 5 6 7 8 9 0 Library of Congress Cataloging-in-Publication Number 98-84220 Warning and Disclaimer This book is designed to provide information about TCP IP. 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 author Macmillan Technical Publishing 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. Dedications This book would not have been possible without the concerted efforts of many dedicated people. I would like to thank the following people for their contributions First thanks to Laurie McGuire development editor who not only improved the book but improved me as a writer. Thanks to Jenny DeHaven Carroll and Mike Tibodeau for their careful technical editing. I would also like to thank the following people who provided technical advice or reviews on selected sections of the book Howard Berkowitz Dave Katz Burjiz Pithawala Mikel Ravizza Russ White and Man-Kit Yueng. I would like to thank the following people at Macmillan Technical Publishing Tracy Hughes and Lynette Quinn who managed the project and Julie .