This book is a work of non-fiction. Names and places have been changed to
protect the privacy of all individuals. The events and situations are true.
© 2003 by Jeffrey Ringwelski, John Jacobs, Tyler Wessels.
All rights reserved.
No part of this book may be reproduced, stored in a retrieval system, or
transmitted by any means, electronic, mechanical, photocopying, recording,
or otherwise, without written permission from the author.
ISBN: 1-4107-6496-6 (e-book)
ISBN: 1-4107-6495-8 (Paperback)
Library of Congress Control Number: 2003094108
This book is printed on acid free paper.
Printed in the United States of America
Bloomington, IN
Acknowledgements
The authors would like to thank, in no particular order of
appreciation:
Evan Mennillo for his great work and continued attention to detail.
Max Gabriel and Brandon Gaither for feedback and assistance.
All those who contributed, in their own way, to a project that ended
up a bit more complex than originally thought.
Contents
TARGETING JNCIA.............................................................3
OVERVIEW........................................................................................ 3
INTRODUCTION ................................................................................. 3
Objective ...................................................................................... 4
Using this Book............................................................................ 5
BASICS ..................................................................................9
THE INTERNET .................................................................................. 9
IP ADDRESSING .............................................................................. 10
IP SUBNETTING .............................................................................. 12
KEY POINTS.................................................................................... 16
RFC................................................................................................ 16
CHAPTER 2: HARDWARE............................................19
OVERVIEW...................................................................................... 19
INTRODUCTION ............................................................................... 19
M-SERIES ROUTING ENGINE (RE)................................................... 20
M-SERIES PACKET-FORWARDING ENGINE (PFE)............................ 21
M-series PICs & FPCs........................................................ 21
M-series PFE ASICs..................................................................... 22
M160 OVERVIEW ........................................................................... 24
M160 Chassis .............................................................................. 24
M160 Flexible PIC Concentrator (FPC) ........................................ 25
M160 Switching & Forwarding Modules (SFMs)............................ 26
M160 Packet Flow ....................................................................... 27
The following steps walk through packet on a M160 router: ............ 27
Physical Interface Cards (PICs) .................................................... 28
M160 PFE Clock Generators (PCGs) ............................................ 28
M160 Host Module....................................................................... 29
M160 Miscellaneous Control Subsystem (MCS) ............................. 29
M40e Overview...................................................................... 29
M40 OVERVIEW ............................................................................. 29
M40 Backplane ............................................................................ 31
Link tải trích đoạn tham khảo:
protect the privacy of all individuals. The events and situations are true.
© 2003 by Jeffrey Ringwelski, John Jacobs, Tyler Wessels.
All rights reserved.
No part of this book may be reproduced, stored in a retrieval system, or
transmitted by any means, electronic, mechanical, photocopying, recording,
or otherwise, without written permission from the author.
ISBN: 1-4107-6496-6 (e-book)
ISBN: 1-4107-6495-8 (Paperback)
Library of Congress Control Number: 2003094108
This book is printed on acid free paper.
Printed in the United States of America
Bloomington, IN
Acknowledgements
The authors would like to thank, in no particular order of
appreciation:
Evan Mennillo for his great work and continued attention to detail.
Max Gabriel and Brandon Gaither for feedback and assistance.
All those who contributed, in their own way, to a project that ended
up a bit more complex than originally thought.
Contents
TARGETING JNCIA.............................................................3
OVERVIEW........................................................................................ 3
INTRODUCTION ................................................................................. 3
Objective ...................................................................................... 4
Using this Book............................................................................ 5
BASICS ..................................................................................9
THE INTERNET .................................................................................. 9
IP ADDRESSING .............................................................................. 10
IP SUBNETTING .............................................................................. 12
KEY POINTS.................................................................................... 16
RFC................................................................................................ 16
CHAPTER 2: HARDWARE............................................19
OVERVIEW...................................................................................... 19
INTRODUCTION ............................................................................... 19
M-SERIES ROUTING ENGINE (RE)................................................... 20
M-SERIES PACKET-FORWARDING ENGINE (PFE)............................ 21
M-series PICs & FPCs........................................................ 21
M-series PFE ASICs..................................................................... 22
M160 OVERVIEW ........................................................................... 24
M160 Chassis .............................................................................. 24
M160 Flexible PIC Concentrator (FPC) ........................................ 25
M160 Switching & Forwarding Modules (SFMs)............................ 26
M160 Packet Flow ....................................................................... 27
The following steps walk through packet on a M160 router: ............ 27
Physical Interface Cards (PICs) .................................................... 28
M160 PFE Clock Generators (PCGs) ............................................ 28
M160 Host Module....................................................................... 29
M160 Miscellaneous Control Subsystem (MCS) ............................. 29
M40e Overview...................................................................... 29
M40 OVERVIEW ............................................................................. 29
M40 Backplane ............................................................................ 31
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