WINT A I L PALMA Vx ! A S ON B CK DE ADMINISTERING C INETWORKS S C O QoS IP ® IN “This book provides comprehensive, in-depth explanations and configurations necessary to implement QoS in today's advanced, multiservice Cisco networks.” —Ralph Troupe, President and CEO, Callisma FREE Palm OS Version of Book FREE Downloadable HTML FREE MP3 Audio Files TECHNICAL EDITOR: Michael E Flannagan, CCNA, CCDA Benoit Durand, CCIE #5754 Jerry Sommerville, CCIE #1293 Mark Buchmann, CCIE #3556 Ron Fuller, CCIE #5851 110_QoS_FM 2/13/01 4:42 PM Page solutions@syngress.com With over 1,500,000 copies of our MCSE, MCSD, CompTIA, and Cisco study guides in print, we have come to know many of you personally By listening, we've learned what you like and dislike about typical computer books The most requested item has been for a web-based service that keeps you current on the topic of the book and related technologies In response, we have created solutions@syngress.com, a service that includes the following features: s A one-year 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writing, editing, or production (collectively “Makers”) of this book (“the Work”) 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 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 case, including backup and other appropriate precautions, when working with computers, networks, data, and files Syngress Media® and Syngress® are registered trademarks of Syngress Media, Inc “Career Advancement Through Skill Enhancement™,” “Ask the Author™,” “Ask the Author UPDATE™,” “Mission Critical™,” and “Hack Proofing™” are trademarks of Syngress Publishing, Inc Brands and product names mentioned in this book are trademarks or service marks of their respective companies KEY 001 002 003 004 005 006 007 008 009 010 SERIAL NUMBER ALKJD48753 LERQAR9T83 ERQ395E932 45BHSKERF3 SLDFAPW93V LWE432532R 36FCBFGK454 NVCW5DGK43 FJA495G8N3 4U34BRA395 PUBLISHED BY Syngress Publishing, Inc 800 Hingham Street Rockland, MA 02370 Administering Cisco QoS for IP Networks Copyright © 2001 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 ISBN: 1-928994-21-0 Co-Publisher: Richard Kristof Technical edit by: Michael E Flannagan Technical Review by: Mark Buchmann Acquisitions Editor: Catherine B Nolan Distributed by Publishers Group West Freelance Editorial Manager: Maribeth Corona-Evans Index by: Robert A Saigh Copy edit by: Beth Roberts and Juli Smith Page Layout and Art by: Shannon Tozier 110_QoS_FM 2/13/01 4:42 PM Page v Acknowledgments We would like to acknowledge the following people for their kindness and support in making this book possible Richard Kristof, Duncan Anderson, David Marini, Jennifer Gould, Kevin Murray, Dale Leatherwood, Laura Cervoni, and Rhonda Harmon of Global Knowledge, for their generous access to the IT industry’s best courses, instructors, and training facilities Ralph Troupe, Rhonda St John, Emlyn Rhodes, and the team at Callisma for their invaluable insight into the challenges of designing, deploying and supporting worldclass enterprise networks Karen Cross, Lance Tilford, Meaghan Cunningham, Kim Wylie, Harry Kirchner, Bill Richter, Kevin Votel, Brittin Clark, and Sarah MacLachlan of Publishers Group West for sharing their incredible marketing experience and expertise Mary Ging, Caroline Hird, Simon Beale, Caroline Wheeler,Victoria Fuller, Jonathan Bunkell, and Klaus Beran of Harcourt International for making certain that our vision remains worldwide in scope Anneke Baeten, Annabel Dent, and Laurie Giles of Harcourt Australia for all their help David Buckland,Wendi Wong, Daniel Loh, 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 Joe Pisco, Helen Moyer, and the great folks at InterCity Press for all their help v 110_QoS_FM 2/13/01 4:42 PM Page vi From Michael E Flannagan, Technical Editor A world of thanks to the Cisco RTP Routing Protocols Team for an unbelievable amount of knowledge, experience, assistance, and fun…you guys are the best! Thanks to Matt Carling (Cisco Systems, Australia) for his assistance with our MPLS chapter Special thanks to Shannon Brown (Cisco Systems,TAC) for her knowledge and especially her patience back in the days when I could hardly spell “router.” And, of course, I’ll be disowned if I don’t say…Hi mom! vi 110_QoS_FM 2/13/01 4:42 PM Page vii From Global Knowledge At Global Knowledge we strive to support the multiplicity of learning styles required by our students to achieve success as technical professionals As the world's largest IT training company, Global Knowledge is uniquely positioned to offer these books.The expertise gained each year from providing instructor-led training to hundreds of thousands of students world-wide has been captured in book form to enhance your learning experience.We hope that the quality of these books demonstrates our commitment to your lifelong learning success Whether you choose to learn through the written word, computer based training, Web delivery, or instructor-led training, Global Knowledge is committed to providing you with the very best in each of these categories For those of you who know Global Knowledge, or those of you who have just found us for the first time, our goal is to be your lifelong competency partner Thank your for the opportunity to serve you.We look forward to serving your needs again in the future Warmest regards, Duncan Anderson President and Chief Executive Officer, Global Knowledge vii 110_QoS_FM 2/13/01 4:42 PM Page viii Technical Editor Michael E Flannagan (CCNA, CCDA) is a Network Consulting Engineer in the Network Supported Accounts (NSA) Group at Cisco Systems and is a team lead for the MPLS/QoS Virtual Team His experience includes extensive work with Routing Protocol and Quality of Service support for customer networks Prior to joining Cisco Systems, he worked as an enterprise network architect and as a consultant specializing in Quality of Service Mike’s Quality of Service testing and research was used to recommend the implementation of various QoS mechanisms for one of the world’s largest pharmaceutical companies and he has participated in large-scale QoS designs for several major US companies In addition to holding various certifications from Cisco, 3Com, and Nortel Networks, Mike has passed both the CCIE Routing/Switching and the CCIE Design written exams and is currently preparing for his CCIE Lab exams He lives in Morrisville, NC Technical Reviewer Mark Buchmann (CCIE#3556, CCSI) is a Cisco Certified Internetworking Expert and has been a Certified Cisco Systems Instructor since 1995 He is the owner of MAB Enterprises, Inc., a company providing consulting, network support, training, and various other services Mark is also a co-owner of www.CertaNet.com, a company providing on-line certification assistance for a variety of network career paths including all the various Cisco certifications Mark is Series Editor for Syngress Media’s Cisco Certification Study Guides In his free time he enjoys spending time with his family and boating He currently lives in Raleigh, NC viii 110_QoS_FM 2/13/01 4:42 PM Page ix Contributors Benoit Durand (CCIE #5754, CCNA, CCDA, CCNP, CCDP) is the Midwest Region Network Engineer for Tivoli Systems (www.tivoli.com) located in Indianapolis, IN Ben designs and integrates high-end network solutions for Tivoli’s worldwide operations while maintaining his own Cisco-powered network in Indianapolis He has over 10 years of networking engineering experience in a wide range of environments Prior to working at Tivoli, Ben worked on many high-profile military projects for the Canadian Air Force, deploying wide-area network solutions to peacekeeping forces in Kuwait,Yugoslavia, and other international locations His latest projects involve Voice-over-ATM,Virtual Private Network solutions, and Wide-Area Network switching Ben lives with his wife Dr Christy Snider in Kingston, GA Ron Fuller (CCIE #5851, CCNP-ATM, CCNP-Voice, CCNP-Security, CCDP, MCNE) is a Senior Systems Engineer with 3X Corporation He currently provides network design and implementation services to 3X Corporation clients in the Eastern United States His specialties include Cisco LAN/WAN design, security consultation, and Novell network design He has held senior engineer positions for two other network consulting companies in the past nine years Ron also contributed to Syngress’ Building Cisco Remote Access Networks (1-928994-13-X) He currently resides in Sunbury, OH with his wife, Julie, and his yet-to-be-born baby Jerry Sommerville (CCIE #1293) is a Senior Consultant for Callisma His background includes network management, system management, system integration, network support and planning, user training, procedure automation, and program analysis Jerry holds a Master of Science in Computer Aided Design & Computer Aided Manufacturing from Eastern Michigan University and a Bachelor of Science in Industrial Technology and Engineering from Texas A & M University ix 110_QoS_BM 2/14/01 8:55 AM Page 522 110_QoS_BM 2/14/01 8:55 AM Page 523 110_QoS_BM 2/14/01 8:55 AM Page 524 110_QoS_BM 2/14/01 8:55 AM Page 525 110_QoS_BM 2/14/01 8:55 AM Page 526 110_QoS_BM 2/14/01 8:55 AM Page 527 The Global Knowledge Advantage Global Knowledge has a global delivery system for its products and services The company has 28 subsidiaries, and offers its programs through a total of 60+ locations No other vendor can provide consistent services across a geographic area this large Global Knowledge is the largest independent information technology education provider, offering programs on a variety of platforms This enables our multi-platform and multi-national customers to obtain all of their programs from a single vendor The company has developed the unique CompetusTM Framework software tool and methodology which can quickly reconfigure courseware to the proficiency level of a student on an interactive basis Combined with self-paced and on-line programs, this 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ORDER at www.syngress.com Configuring Cisco AVVID AVVID (Architecture for Voice, Video, and Integrated Data) is a network architecture made up of hardware and software that transmits a company’s data such as e-mail, web traffic, file transfers, voice traffic, and video traffic over the same physical computer network Configuring Cisco AVVID will introduce you to the new AVVID components from Cisco that can save hard dollars and increase a company’s overall performance This book will give IT professionals, ISPs, and engineers the first insight into how each piece of hardware and each software application function independently, as well as how they interoperate, forming a completely converged solution It covers the many components of AVVID, including Cisco Routers, Cisco Catalyst Switches, Cisco IP Telephones, Cisco CallManager Servers, Analog and Digital Gateways, Voice Trunks, Voice Modules, CallManager 3.0, SoftPhone, WebAttendant, and Active Voice ISBN: 1-928994-14-8 Price: $59.95 AVAILABLE NOW! 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ORDER at www.syngress.com BUILDING CISCO REMOTE ACCESS NETWORKS Building Cisco Remote Access Networks (BCRAN) covers the key technology area of remote access Cisco is a dominant force in this Internet economy and BCRAN is more than a product line; it is a technology delivery platform of products This book covers the key protocols involved, as well as technical connectivity considerations It provides the reader with instruction on interconnecting central sites to branch offices, and supporting home office workers and telecommuters BCRAN is about technological empowerment This book will help you grow technically, expand your career opportunities, and enhance your experience of the Internet Revolution ISBN: 1-928994-13-X Price: $49.95 solutions@syngress.com ... Syngress Publishing, Inc 800 Hingham Street Rockland, MA 02370 Administering Cisco QoS for IP Networks Copyright © 2001 by Syngress Publishing, Inc All rights reserved Printed in the United States... Deploying Link State Protocol Support Integrating VPNs with BGP Controlling MPLS Traffic Using Traffic Engineering Deploying MPLS Using Cisco Express Forwarding Unequal Cost Load Balancing Configuring... users on a network, regardless of participation (one-to-all) Figure 1.3 Multicasting Example Not participating Wide Area Network Participating Hosts participating in a multicast begin receiving the