Routing TCP[s]IP (Vol. 22001)
Jeff Doyle and Jennifer DeHaven Carroll Copyright 2001 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 2 3 4 5 6 7 8 9 0 Second Printing September 2001 Library of Congress Cataloging-in-Publication Number: 98-86516 Warning and Disclaimer
This book is designed to provide information about the 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 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. Feedback Information
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Publisher John Wait Editor-In-Chief John Kane Cisco Systems Management Michael Hakkert Tom Geitner William Warren Executive Editor Brett Bartow Acquisitions Editor Amy Lewis Managing Editor Patrick Kanouse Development Editor Christopher Cleveland Production Editor Marc Fowler Copy Editor Keith Cline Technical Editors Pete Moyer, Henry Benjamin, Mike Penning Team Coordinator Tammi Ross Book Designer Gina Rexrode Cover Designer Louisa Klucznik Production Team Octal Publishing, Inc. Indexer Tim Wright Proofreader Gayle Johnson Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 European Headquarters Cisco Systems Europe 11 Rue Camille Desmoulins 92782 Issy-les-Moulineaux Cedex 9 France http://www-europe.cisco.com Tel: 33 1 58 04 60 00 Fax: 33 1 58 04 61 00 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel:408 526-7660 Fax: 408 527-0883 Asia Pacific Headquarters Cisco Systems Australia, Pty., Ltd Level 17, 99 Walker Street North Sydney NSW 2059 Australia http://www.cisco.com Tel: +61 2 8448 7100 Fax: +61 2 9957 4350 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 Argentina Australia Austria Belgium Brazil Bulgaria Canada Chile China Colombia Costa Rica Croatia Czech Republic Denmark Dubai, UAE Finland France Germany Greece Hong Kong Hungary India Indonesia Ireland Israel Italy Japan Korea Luxembourg Malaysia Mexico The Netherlands New Zealand Norway Peru Philippines Poland Portugal Puerto Rico Romania Russia Saudi Arabia Scotland Singapore Slovakia Slovenia South Africa Spain Sweden Switzerland Taiwan Thailand Turkey Ukraine United Kingdom United States Venezuela Vietnam Zimbabwe 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) 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. Dedications
Jeff Doyle: This book is dedicated to my wife, Sara, and my children, Anna, Carol, James, and Katherine. They are my refuge, and they keep me sane, humble , and happy. Jennifer DeHaven Carroll: To my husband, Mike, and son, Mitchell, who continue to encourage me. |