juniper

Powerful Essays
JNCIA
Juniper™ Networks
Certified Internet Associate
Study Guide

by Joseph M. Soricelli with John L. Hammond, Galina Diker Pildush,
Thomas E. Van Meter, and Todd M. Warble

This book was originally developed by Juniper Networks Inc. in conjunction with
Sybex Inc. It is being offered in electronic format because the original book
(ISBN: 0-7821-4071-8) is now out of print. Every effort has been made to remove the original publisher's name and references to the original bound book and its accompanying CD. The original paper book may still be available in used book stores or by contacting, John Wiley & Sons, Publishers. www.wiley.com.
Copyright © 2003-6 by Juniper Networks Inc. All rights reserved.
This publication may be used in assisting students to prepare for a Juniper
JNCIA exam but Juniper Networks Inc. cannot warrant that use of this publication will ensure passing the relevant exam.

Contents at a Glance
Introduction

xvii xxxiii Assessment Test
Chapter 1

The Components of a Juniper Networks Router

1

Chapter 2

Interfaces

Chapter 3

Protocol-Independent Routing

107

Chapter 4

Routing Policy

149

Chapter 5

The Routing Information Protocol (RIP)

195

Chapter 6

Open Shortest Path First (OSPF)

229

Chapter 7

Intermediate System to Intermediate System (IS-IS)

275

Chapter 8

Border Gateway Protocol (BGP)

321

Chapter 9

Multicast

373

Chapter 10

Firewall Filters

429

Chapter 11

Multiprotocol Label Switching (MPLS)

473

61

Glossary

533

Index

569

Contents
Introduction

xvii

Assessment Test
Chapter

1

xxxiii
The Components of a Juniper Networks Router

1

Juniper Networks Router Design
Routing Engine Overview
Packet Forwarding Engine Overview
Routing Engine Components
Software Architecture
Command-Line Interface
Manipulating Files on the Router
Routing Engine Redundancy
Packet Forwarding Engine Components
Embedded OS

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