Cisco Press
800 East 96th Street
Indianapolis, IN 46240
CCNP ROUTE 642-902
Official Certification Guide
Wendell Odom, CCIE No. 1624
CCNP ROUTE 642-902 Official Certification Guide
Wendell Odom
Copyright© 2010 Pearson Education, 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, 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
First Printing January 2010
Odom, Wendell.
CCNP Route 642-902 official certification guide / Wendell Odom.
p. cm.
ISBN 978-1-58720-253-7 (hardback w/cd)
1. Routers (Computer networks)--Examinations--Study guides. 2.
Routing protocols (Computer network protocols)--Examinations--Study
guides. 3. Internetworking (Telecommunication)--Examinations--Study
guides. 4. Telecommunications
engineers--Certification--Examinations--Study guides. I. Title.
TK5105.543.O36 2010
004.6'2--dc22
2009049908
ISBN-13: 978-1-58720-253-7
ISBN-10: 1-58720-253-0
Warning and Disclaimer
This book is designed to provide information about the Cisco ROUTE exam (642-902). Every effort has
been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied.
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The opinions expressed in this book belong to the author and are not necessarily those of Cisco Systems, Inc.
ii CCNP ROUTE 642-902 Official Certification Guide
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Publisher: Paul Boger Business Operation Manager, Cisco Press: Anand Sundaram
Associate Publisher: Dave Dusthimer Manager Global Certification: Erik Ullanderson
Executive Editor: Brett Bartow Technical Editors: Michelle Plumb, Jerold Swan, Rick Graziani
Managing Editor: Patrick Kanouse Copy Editor: Apostrophe Editing Services
Development Editor: Dayna Isley Proofreader: Barbara Hacha
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Composition: Mark Shirar
Indexer: Ken Johnson
iii
About the Author
Wendell Odom, CCIE No. 1624, is a 28-year veteran of the networking industry. He cur-
rently works as an independent author of Cisco certification resources and occasional
instructor of Cisco authorized training for Skyline ATS. He has worked as a network engi-
neer, consultant, systems engineer, instructor, and course developer. Wendell is the author
of several best-selling Cisco certification titles. He maintains lists of current titles, links
to Wendell’s blogs, and other certification resources at www.thecertzone.com.
About the Technical Reviewers
Michelle Plumb is a full-time Cisco certified instructor for Skillsoft. Michelle has more
than 19 years experience in the field as an IT professional and telephony specialist. She
maintains a high level of Cisco and Microsoft certifications. Michelle has been a techni-
cal reviewer for numerous books related to the Cisco CCNP and CCVP course material
track. Michelle currently lives in Scottsdale, Arizona, with her husband and two dogs.
Jerold Swan, CCIE No. 17783, CCSP, works as a senior network engineer for the
Southern Ute Indian Tribe Growth Fund in southwest Colorado. Prior to that he was a
Cisco instructor for Global Knowledge. He has also worked in IT in the service provider
and higher education sectors. His areas of interest include routing protocols, security, and
network monitoring. He is a graduate of Stanford University. His other interests include
trail running, mountain biking, and volunteer search and rescue.
Rick Graziani teaches computer science and computer networking courses at Cabrillo
College in Aptos, California. Rick has worked and taught in the computer networking and
information technology field for almost 30 years. Prior to teaching Rick worked in IT for
various companies including Santa Cruz Operation, Tandem Computers, and Lockheed
Missiles and Space Corporation. He holds an M.A. degree in computer science and sys-
tems theory from California State University Monterey Bay. Rick also does consulting
work for Cisco and other companies. When Rick is not working he is most likely surfing.
Rick is an avid surfer who enjoys surfing at his favorite Santa Cruz breaks.
iv CCNP ROUTE 642-902 Official Certification Guide
