Table Of ContentCCNP ONT Official
Exam Certification Guide
Amir S. Ranjbar, CCIE No. 8669
Cisco Press
800 East 96th Street
Indianapolis, IN 46240 USA
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CCNP ONT Official Exam Certification Guide
Amir S. Ranjbar, CCIE No. 8669
Copyright© 2007 Cisco Systems, Inc.
Published by:
Cisco Press
800 East 96th Street
Indianapolis, IN 46240 USA
All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical,
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lisher, 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
First Printing: May 2007
Library of Congress Cataloging-in-Publication data is on file.
ISBN-10: 1-58720-176-3
ISBN-13: 978-1-58720-176-9
Warning and Disclaimer
This book is designed to provide information about the topics covered on the Optimizing Converged Cisco Networks (642-845
ONT) CCNP exam. Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness
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About the Author
Amir S. Ranjbar, CCIE No. 8669, is an internetworking trainer and consultant. Born in Tehran,
Iran, he moved to Canada in 1983. He received his bachelor’s degree in computer science (1989)
and master of science degree in knowledge-based systems (1991) from the University of Guelph
in Guelph, Ontario, Canada. After graduation, Amir worked as a programmer/analyst for Statistics
Canada until 1995 when he was hired by Digital Equipment Corporation as a certified Microsoft
trainer. After performing training on Microsoft Backoffice products such as Windows NT,
Exchange Server, and Systems Management Server for three years, he shifted his focus to Cisco
Systems. In 1998, he joined GEOTRAIN Corporation, which was later acquired by Global
Knowledge Network, and worked for them as a full-time Certified Cisco Systems Instructor until
2005. In October 2005, Amir started his own business (AMIRACAN Inc.) in the field of
internetwork consulting, but his major activity is still conducting training for Global Knowledge
Network on a contractual basis. His areas of specialty are MPLS, BGP, QoS, VoIP, and advanced
routing and switching. Amir’s e-mail address is [email protected]
About the Contributing Author
Troy Houston, CCNP, CCDP, and CCIE-written, independently provides contracted business and
knowledge solutions to enterprise customers in the Mid-Atlantic area. The first half of his career
was in the Aerospace industry where he gained extensive RF knowledge making him the WLAN
SME today. Over the past 10 years, Troy has planned, designed, implemented, operated, and
troubleshot LANs, WANs, MANs, and WLANs. He attained his bachelor of science degree in
management of information systems from Eastern University. Additionally, he is an inventor and
holds a patent for one of his many ideas. Formerly in the military, Troy returned to the military
on a reserve basis after 9/11. He provides the Air Force Reserves his skills and knowledge as a
Computers-Communications Systems Specialist (3C0). He can be contacted at
[email protected].
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About the Technical Reviewers
Dave Minutella (CCNP, CCDP, CCSP, INFOSEC, CISSP, MCSA, MCDST, CTP, Security+,
Network +, A+) has been working in the IT and telecom industry for more than 12 years. He
currently serves as vice president of educational services for TechTrain/The Training Camp. Prior
to that, he was the lead Cisco instructor, primarily teaching CCNA, CCDA, and CCNP courses.
Dave is also the technical author of CSVPN Exam Cram 2 and coauthor of CCNA Exam Prep 2
from Que Publishing, and he is the present Cisco certifications expert for SearchNetworking.com’s
Ask the Networking Expert panel.
Mike Valentine has 12 years of experience in the IT field, specializing in network design and
installation. His projects include the installation of network services and infrastructure at the
largest private aircraft maintenance facility in Canada, Cisco Unified CallManager implementations
for small business clients in southwest Florida, and implementation of network mergers and
development for Prospera Credit Union in British Columbia. He now heads up his own network
consulting company near Vancouver, BC, providing contract Cisco certification instruction and
network infrastructure consulting services to clients throughout North America.
Mike is the senior Cisco instructor for The Training Camp. His diverse background and exceptional
instructional skills make him a consistent favorite with students. In addition to providing training
and developing courseware for The Training Camp, he is the senior network engineer for The
Client Server, Inc. in Bonita Springs, Florida, responsible for network infrastructure, security,
and VoIP projects. Mike holds a Bachelor of Arts in anthropology, in addition to the following
certifications: MCP+i, MCSA, MCSE (Security, Sec+, Net+), CCDA, CCNP, IPTX, C|EH, and
CTP.
Mike coauthored the popular CCNA Exam Cram 2, published in December 2005.
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Dedications
This book is dedicated to my wife, Elke Haugen-Ranjbar, whose love, hard work, understanding,
and support have made my home a dream come true. Should my children Thalia, Ariana, and
Armando choose a life partner when they grow up, I wish they will make as good of a choice as I
did.
—Amir Ranjbar
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Acknowledgments
I would like to thank the technical editors, Dave and Mike, for their valuable comments and
feedback.
Special thanks to Mary Beth Ray for her patience and understanding, and to Andrew Cupp for a
well-done job.
This book is the product of the hard work of a team and not just a few individuals. Managers,
editors, coordinators, and designers: All of you, please accept my most sincere appreciation for
your efforts and professional input.
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Contents at a Glance
Foreword xvii
Introduction xviii
Part I Voice over IP 3
Chapter 1 Cisco VoIP Implementations 5
Part II Quality of Service 55
Chapter 2 IP Quality of Service 57
Chapter 3 Classification, Marking, and NBAR 93
Chapter 4 Congestion Management and Queuing 123
Chapter 5 Congestion Avoidance, Policing, Shaping, and Link
Efficiency Mechanisms 149
Chapter 6 Implementing QoS Pre-Classify and Deploying End-to-End QoS 177
Chapter 7 Implementing AutoQoS 201
Part III Wireless LAN 229
Chapter 8 Wireless LAN QoS Implementation 231
Chapter 9 Introducing 802.1x and Configuring Encryption and Authentication
on Lightweight Access Points 255
Chapter 10 WLAN Management 287
Part IV Appendix 319
Appendix A Answers to the “Do I Know This Already?” Quizzes and Q&A Sections 321
Index 354
