1578702410.pdf

Cisco Router Conﬁguration,

Second Edition

Allan Leinwand

Bruce Pinsky, CCIE #1045

Cisco Press

201 West 103rd Street

Indianapolis, IN 46290 USA

Cisco Router Conﬁguration, Second Edition

Allan Leinwand and Bruce Pinsky

Cisco Press logo is a trademark of Cisco Systems, Inc.

Published by:

Cisco Press

201 West 103rd Street

Indianapolis, IN 46290 USA

or mechanical, including photocopying, recording, or by any information storage and retrieval system, without writ-

ten permission from the publisher, 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 04 03 02 01

First Printing December 2000

Library of Congress Cataloging-in-Publication Number: 00-109754

ISBN: 1-57870-241-0

Warning and Disclaimer

This book is designed to provide information about Cisco router conﬁguration. 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 author, Cisco Press, and Cisco Systems, Inc., shall have neither

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iii

Publisher

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Kevin Burgess

Andre’ Paree-Huff

Dave Sumter

Michael Truett

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About the Authors

Allan Leinwand is the Chief Technology Ofﬁcer and Vice President of Engineering at Telegis Networks, Inc.

Previously, as Chief Technology Ofﬁcer and Vice President of Engineering for Digital Island, Inc., he was responsible for

the technical direction of the company’s global network and content distribution strategy. Before Digital Island, he was a

Consulting Engineering Manager at Cisco Systems, Inc., responsible for the global network design of customer networks.

Allan received his BS in Computer Science at the University of Colorado at Boulder in 1988, and has been working in

internetworking technology and solutions for large corporations since that time. He teaches graduate computer network-

ing courses for the University of California, Berkeley; has published many papers on network management and network

design; and is the co-author of the Addison-Wesley text Network Management: A Practical Perspective, Second Edition.

Bruce Pinsky , CCIE #1045, is the Vice President of Product Engineering and Network Infrastructure at Telegis Net-

works, Inc. Previously, as Chief Information Ofﬁcer, Vice President of Solutions Engineering, and Chief Network Strate-

gist of Digital Island, Inc., he was responsible for the direction and deployment of corporate technology infrastructure and

advanced technology research. Before Digital Island, Bruce was a Senior Internetwork Support Technologist at Cisco

Systems, Inc., and was responsible for the escalation of complex customer technical issues. He received his BS in Com-

puter Science at California State University, Hayward, in 1988, and he has been working in internetworking technology

and systems integration for large corporations and consulting ﬁrms before and since that time. One of the original Cisco

Certiﬁed Internetwork Engineers, Bruce has expertise in such topics as network troubleshooting and protocol analysis,

network design and conﬁguration, and workstation and server-based operating systems. He routinely teaches courses on

network conﬁguration, design, and troubleshooting, and is co-inventor of patented routing technology.

About the Technical Reviewers

Henry Benjamin , CCIE, CCNA, CCDA, B. Eng., is a Cisco Certiﬁed Internetwork Expert and an IT network engineer

for Cisco Systems, Inc. He has more than 10 years of experience in Cisco networks, including planning, designing, and

implementing large IP networks running IGRP, EIGRP, and OSPF. In the past year, Henry has focused on architectural

design and implementation in Cisco internal networks across Australia and the Asia/Paciﬁc region. He is the author of a

book dedicated to passing the CCIE written exam and has helped with many other titles related to Cisco IOS. Henry

holds a Bachelor of Engineering Degree from Sydney University. This review is dedicated to his sick mum.

Kevin Burgess has been doing network design, analysis, and maintenance for the past 10 years. As a Network

Engineer with EDS for the past ﬁve years, he has worked on various projects across Canada. Kevin holds certiﬁca-

tions from Novell and Cisco and is currently working on his CCIE.

André Paree-Huff , CCNP, MCSE+I, ASE, A+, Network+, I-Network+, has been working in the computer ﬁeld for

more than 8 years. He is currently working for Compaq Computer Corporation as a Network Support Engineer, Level

III, for the North America Customer Support Center in Colorado Springs, Colorado. André handles troubleshooting of

network hardware, specializing in Layers 2 and 3 of the OSI model. André has co-authored four network-related tech-

nical manuals and has been a technical editor on many others. He is currently working toward his CCIE.

Dave Sumter , CCIE #4942, CCDP, has been in the networking industry for close to ﬁve years and has been concen-

trating solely on Cisco solutions for the last three years He works for Cisco Systems, Inc., in South Africa. Dave’s

current duties involve the design of large-scale campus and WAN solutions for corporate and government clients in

South Africa. Other duties involve the ongoing training of Cisco partners and participation in the examination of

CCIE candidates at the CCIE routing and switching lab in South Africa.

Michael Truett , CCNP, is a network engineer for a large organization specializing in VoIP. He is currently working

on his CCDP and CCIE. His strength lies in the area of network design, implementation, and troubleshooting for

large networks on many different media types, including Frame Relay and satellite. In his spare time, Michael also

teaches several classes on Cisco routers and switches.

Dedications

Allan Leinwand would like to dedicate this book to his family and friends, who have provided continual support,

suggestions, encouragement, and insights throughout the writing of this book.

Bruce Pinsky would like to thank all his friends and family, who have provided their support in helping to make this

book a reality. An extra special thank you goes to his wife, Paula, and sons, Eric and Kyle, for their tireless support

during the many nights and weekends dedicated to the completion of this text.

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