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Building a Cisco Wireless LAN PDF

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Электронная библиотека “Либрус” ( http://librus.ru ) Научно-техническая библиотека электронных книг. Первоначально задуманная как хранилище компьютерной литературы, в настоящий момент библиотека содержит книжные издания по различным областям знания (медицинские науки, техника, гуманитарные науки, домашнее хозяйство, учебная литература и т.д.). Серьезность научно-технических e-book'ов разбавляет раздел развлекательной литературы (эротика, комиксы, задачи и головоломки). Основной целью проекта является ознакомление читателей с многообразием книгопечатной продукции и помощь в выборе действительно стоящей книги для приобретения у законных издателей, их представителей или в соответствующих организациях торговли. Для покупки через Internet мы рекомендуем воспользоваться услугами интернет-магазина “Озон”. ВНИМАНИЕ! Данный файл представлен исключительно в ознакомительных целях! После ознакомления с данной книгой Вы обязаны удалить ее с Вашего компьютера. В случае несоблюдения данного обязательства, Вы нарушите закон "Об авторском праве и смежных правах". Все авторские права сохраняются за правообладателем. По его требованию доступ к данному электронному документу будет перекрыт. Однако, таким образом, тысячи потенциальных покупателей так и не узнают о, возможно, нужной и полезной книге. Авторам и издательствам Если Вы заинтересованы в рекламе и продвижении Ваших книг на бескрайних сетевых просторах мы с удовольствием включим их в наш каталог. 169_cisco_wlan_FM.qxd 4/22/02 1:19 PM Page i s o l u t i o n s @ s y n g r e s s . c o m With more than 1,500,000 copies of our MCSE, MCSD, CompTIA, and Cisco study guides in print, we continue to look for ways we can better serve the information needs of our readers. One way we do that is by listening. Readers like yourself have been telling us they want an Internet-based ser- vice that would extend and enhance the value of our books. Based on reader feedback and our own strategic plan, we have created a Web site that we hope will exceed your expectations. [email protected] is an interactive treasure trove of useful infor- mation focusing on our book topics and related technologies. The site offers the following features: (cid:2) One-year warranty against content obsolescence due to vendor product upgrades. You can access online updates for any affected chapters. (cid:2) “Ask the Author” customer query forms that enable you to post questions to our authors and editors. (cid:2) Exclusive monthly mailings in which our experts provide answers to reader queries and clear explanations of complex material. (cid:2) Regularly updated links to sites specially selected by our editors for readers desiring additional reliable information on key topics. Best of all, the book you’re now holding is your key to this amazing site. Just go to www.syngress.com/solutions, and keep this book handy when you register to verify your purchase. Thank you for giving us the opportunity to serve your needs. And be sure to let us know if there’s anything else we can do to help you get the maximum value from your investment. We’re listening. www.syngress.com/solutions 169_cisco_wlan_FM.qxd 4/22/02 1:19 PM Page ii 169_cisco_wlan_FM.qxd 4/22/02 1:19 PM Page iii 1 YEAR UPGRADE BUYER PROTECTION PLAN Building a Cisco Wireless LAN Eric Ouellet Robert Padjen Arthur Pfund Ron Fuller Technical Editor Tim Blankenship Technical Editor 169_cisco_wlan_FM.qxd 4/22/02 1:19 PM Page iv Syngress Publishing,Inc.,the author(s),and any person or firm involved in the writing,editing,or production (collectively “Makers”) of this book (“the Work”) do not guarantee or warrant the results to be obtained from the Work. There is no guarantee of any kind,expressed or implied,regarding the Work or its contents.The Work is sold AS IS and WITHOUT WARRANTY.You may have other legal rights,which vary from state to state. In no event will Makers be liable to you for damages,including any loss of profits,lost savings,or other incidental or consequential damages arising out from the Work or its contents.Because some states do not allow the exclusion or limitation of liability for consequential or incidental damages,the above limitation may not apply to you. You should always use reasonable care,including backup and other appropriate precautions,when working with computers,networks,data,and files. Syngress Media®,Syngress®,“Career Advancement Through Skill Enhancement®,”and “Ask the Author UPDATE®,”are registered trademarks of Syngress Publishing,Inc.“Mission Critical™,”“Hack Proofing™,”and “The Only Way to Stop a Hacker is to Think Like One™”are trademarks of Syngress Publishing,Inc.Brands and product names mentioned in this book are trademarks or service marks of their respective companies. KEY SERIAL NUMBER 001 5T54T94DGH 002 RT4MPE4AKT 003 63NER5VM4N 004 9UND34B3SG 005 7U88MNVU6H 006 4NFGRN4TEM 007 B46HTWBVRT 008 R5B962P5MR 009 8AS3N54BMR 010 2ZFGYH2CT6 PUBLISHED BY Syngress Publishing,Inc. 800 Hingham Street Rockland,MA 02370 Building A Cisco Wireless LAN Copyright © 2002 by Syngress Publishing,Inc.All rights reserved.Printed in the United States of America.Except as permitted under the Copyright Act of 1976,no part of this publication may be reproduced or distributed in any form or by any means,or stored in a database or retrieval system, without the prior written permission of the publisher,with the exception that the program listings may be entered,stored,and executed in a computer system,but they may not be reproduced for publication. Printed in the United States of America 1 2 3 4 5 6 7 8 9 0 ISBN: 1-928994-58-X Technical Editor:Ron Fuller,Tim Blankenship Cover Designer:Michael Kavish Technical Reviewer:Ron Fuller Page Layout and Art by:Shannon Tozier Acquisitions Editor:Catherine B.Nolan Copy Editor:Darren Meiss Developmental Editor:Kate Glennon Indexer:Robert Saigh Distributed by Publishers Group West in the United States and Jaguar Book Group in Canada. 169_cisco_wlan_FM.qxd 4/22/02 1:19 PM Page v Acknowledgments We would like to acknowledge the following people for their kindness and support in making this book possible. Ralph Troupe,Rhonda St.John,Emlyn Rhodes,and the team at Callisma for their invaluable insight into the challenges of designing,deploying and supporting world- class enterprise networks. Karen Cross,Lance Tilford,Meaghan Cunningham,Kim Wylie,Harry Kirchner, Kevin Votel,Kent Anderson,Frida Yara,Bill Getz,Jon Mayes,John Mesjak,Peg O’Donnell,Sandra Patterson,Betty Redmond,Roy Remer,Ron Shapiro,Patricia Kelly,Andrea Tetrick,Jennifer Pascal,Doug Reil,and David Dahl of Publishers Group West for sharing their incredible marketing experience and expertise. Jacquie Shanahan,AnnHelen Lindeholm,David Burton,Febea Marinetti,and Rosie Moss of Elsevier Science for making certain that our vision remains worldwide in scope. Annabel Dent and Paul Barry of Elsevier Science/Harcourt Australia for all their help. David Buckland,Wendi Wong,Marie Chieng,Lucy Chong,Leslie Lim,Audrey Gan, and Joseph Chan of Transquest Publishers for the enthusiasm with which they receive our books. Kwon Sung June at Acorn Publishing for his support. Ethan Atkin at Cranbury International for his help in expanding the Syngress program. Jackie Gross,Gayle Voycey,Alexia Penny,Anik Robitaille,Craig Siddall,Darlene Morrow,Iolanda Miller,Jane Mackay,and Marie Skelly at Jackie Gross & Associates for all their help and enthusiasm representing our product in Canada. Lois Fraser,Connie McMenemy,Shannon Russell and the rest of the great folks at Jaguar Book Group for their help with distribution of Syngress books in Canada. Thank you to our hard-working colleagues at New England Fulfillment & Distribution who manage to get all our books sent pretty much everywhere in the world.Thank you to Debbie “DJ”Ricardo,Sally Greene,Janet Honaker,and Peter Finch. vv 169_cisco_wlan_FM.qxd 4/22/02 1:19 PM Page vi Contributors Eric Ouellet (CISSP) is a Senior Partner with Secure Systems Design Group,a network design and security consultancy based in Ottawa,ON, Canada.He specializes in the implementation of networks and security infrastructures from both a design and a hands-on perspective.During his career he has been responsible for designing,installing,and trou- bleshooting WANs using Cisco,Nortel,and Alcatel equipment configured to support voice,data,and video conferencing services over terrestrial, satellite relay,wireless,and trusted communication links. Eric has also been responsible for designing some of the leading Public Key Infrastructure deployments currently in use and for devising operational policy and procedures to meet the Electronic Signature Act (E-Sign) and the Health Insurance Portability and Accountability Act (HIPAA).He has provided his services to financial,commercial,govern- ment,and military customers including the U.S.Federal Government, Canadian Federal Government,and NATO.He regularly speaks at leading security conferences and teaches networking and CISSP classes.Eric is a co-author of Hack Proofing Your Wireless Network (Syngress Publishing, ISBN:1-928994-59-8) and is a contributor to the forthcoming Sniffer Network Optimization and Troubleshooting Handbook (Syngress Publishing, ISBN:1-931836-57-4). Eric would like to acknowledge the understanding and support of his family and friends during the writing of this book,along with Walter Allan and “The Boys”for being who they are. Robert Padjen (CCNP-Security,CCNP-Switching,CCDP) is Director of Technology Solutions for a large financial institution.He has written eight texts on network administration,troubleshooting,and design and is recognized as an expert witness in computer networking and intellectual property litigation.Robert’s experience over the past ten years includes design and implementation of wireless,ATM,Frame Relay,and security solutions for a wide variety of clients.Robert served as subject matter expert on 802.11b services for Callisma,a network consulting firm,and vi 169_cisco_wlan_FM.qxd 4/22/02 1:19 PM Page vii has previously contributed to Cisco AVVID & IP Telephony Design and Implementation (Syngress Publishing,ISBN:1-928994-83-0).An avid flyer and motorcyclist,Rob,and his wife,Kristie,live in Northern California and have three children.Robert is on the Board of Directors for the Chernobyl Children’s Project,a non-profit organization that provides respites for children affected by the disaster,and he is also on the Cisco Technical Advisory Board. Arthur Pfund (CCIE#7249,CCNP,CCNA) is a Principal Engineer with a Fortune 500 company.Currently,he is responsible for the strategic and tactical evolution of a large multi-data center network environment. Specializing in Cisco routers and switches,he has hands-on experience working with a wide range of networking equipment. In addition to network design and engineering,Arthur’s background includes extensive experience with implementation,operational support,and trou- bleshooting LAN and WAN systems in a large network environment. Sean Thurston (CCDP,CCNP,MCSE,MCP+I) is a Senior Solution Architect with Siemens Business Services.He provides network and data center design solutions for large-scale deployment.His specialties include implementation of multivendor routing and switching equipment and XoIP (Everything over IP installations).Sean’s background includes posi- tions as a Technical Analyst for Sprint-Paranet and the Director of a brick-and-mortar advertising dot com.Sean is also a contributing author to the following books from Syngress Publishing,Building a Cisco Network for Windows 2000 (ISBN:1-928994-00-8),Cisco AVVID and IP Telephony Design and Implementation (ISBN:1-928994-83-0),and the forthcoming Managing Cisco Network Security,Second Edition (ISBN:1-931836-56-6). Sean lives in Renton,WA with his fiancée,Kerry.He is currently pur- suing his CCIE. vii 169_cisco_wlan_FM.qxd 4/22/02 1:19 PM Page viii Technical Editors and Reviewers Ron Fuller (CCIE #5851,CSS-Level 1,CCNP,CCDP,MCNE) is a Senior Network Engineer with a large financial institution in Columbus, OH.He currently provides design and engineering support for the net- work infrastructure.His specialties include Cisco routers and LAN switches,strategic network planning,network architecture and design, and network troubleshooting and optimization.Ron’s background includes senior systems engineering responsibilities for Cisco and Novell resellers in Central Ohio.Ron has also acted as contributing author to the book Administering Cisco QoS in IP Networks (Syngress Publishing,ISBN: 1-928994-21-0). He currently resides in Sunbury,OH with his family, Julie and Max. Tim Blankenship (CCNP,CCDA,CNE-5,CNE-4,CNE-3,MCP, CSEC–Wireless Field Engineer) is a private consultant responsible for leading the design and implementation efforts involving Local and Wide Area Networks to clients in the mid-west region of the United States.His specialties include Cisco wireless networking,routers and LAN switches, Novell design and implementation,strategic network planning,network architecture and design,and network troubleshooting and optimization. Tim currently resides in Grove City,OH with his family,Connie, Morgan,Ben,and Emily. viii

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