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CCNP BSCI Official Exam Certification Guide, 4th Edition


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  • Description
  • Sample Content
  • Updates
  • Copyright 2008
  • Edition: 4th
  • Book
  • ISBN-10: 1-58720-147-X
  • ISBN-13: 978-1-58720-147-9

CCNP BSCI Official Exam Certification Guide

Fourth Edition

  • Master all 642-901 exam topics with the official study guide
  • Assess your knowledge with chapter-opening quizzes
  • Review key concepts with foundation summaries
  • Practice with hundreds of exam questions on the CD-ROM

Brent D. Stewart

Clare Gough, CCIE® No. 2893

CCNP BSCI Official Exam Certification Guide, Fourth Edition, is a best of breed Cisco® exam study guide that focuses specifically on the objectives for the BSCI exam. Successfully passing the BSCI 642-901 exam certifies that you have the knowledge and skills necessary to use advanced IP addressing and routing in implementing scalability for Cisco integrated services routers (ISR) connected to LANs and WANs.

CCNP BSCI Official Exam Certification Guide, Fourth Edition, follows a logical organization of the CCNP® BSCI exam objectives. Material is presented in a concise manner, focusing on increasing readers' retention and recall of exam topics. “Do I Know This Already?” quizzes open each chapter and allow you to determine how much time you need to spend on each section. Exam topic lists and Foundation Summary tables make referencing easy and give you a quick refresher whenever you need it. Scenario-based exercises help you think about exam objectives in real-world situations, thus increasing recall during exam time. Challenging chapter-ending review questions help you assess your knowledge and reinforce key concepts.

The companion CD-ROM contains a powerful testing engine that allows you to focus on individual topic areas or take complete, timed exams. The assessment engine also tracks your performance and provides feedback on a module-by-module basis, presenting question-by-question remediation to the text.

Well regarded for its level of detail, assessment features, and challenging review questions and exercises, this book helps you master the concepts and techniques that will enable you to succeed on the exam the first time.

Brent D. Stewart, CCNP and certified Cisco instructor, is a network administrator at CommScope, where he focuses on the design and implementation of an international IP network. Brent has worked in fiber-optic manufacturing R&D and as a network consultant.

Clare Gough, CCIE® No. 2893, is an instructor and a consultant with more than 18 years of practical experience in computer networking.

The official study guide helps you master all the topics on the CCNP BSCI exam, including

  • Essential routing principles for designing and managing scalable networks
  • EIGRP, OSPF, and IS-IS functions and operation
  • Basic BGP configuration
  • Multicast routing
  • Cisco IOS® routing features, including redistribution, route filtering, and DHCP
  • IPv6 addressing and the transition from IPv4 to IPv6

Companion CD-ROM

The CD-ROM contains an electronic copy of the book and more than 200 practice questions for the BSCI exam, including simulation-based questions, all available in study mode, test mode, and flash card format.

This volume is part of the Exam Certification Guide Series from Cisco Press®. Books in this series provide officially developed exam preparation materials that offer assessment, review, and practice to help Cisco Career Certification candidates identify weaknesses, concentrate their study efforts, and enhance their confidence as exam day nears.

Category: Cisco Certification

Covers: CCNP BSCI exam 642-901

Downloadable Sample Chapter

Chapter 3: EIGRP Principles

Table of Contents

Part I Introduction to Scalable Networks

Chapter 1 Network Design

"Do I Know This Already?" Quiz 5

Foundation Topics

Building Scalable Networks



Enterprise Architecture

    Hierarchical Design Model

    Enterprise Composite Network Model


    Phase 1: Integrated Transport

    Phase 2: Integrated Services

    Phase 3: Integrated Applications

    Services-Oriented Network Architecture

Comparing Routing Protocols

    Distance Vector and Link State Routing Protocols

    Classless and Classful Routing

    Interior and Exterior Gateway Protocols

    Convergence Times

    Proprietary and Open Protocols

    Summarizing Routing Protocol Characteristics

Foundation Summary


Chapter 2 IP Address Planning and Summarization

"Do I Know This Already?" Quiz

Foundation Topics

Understanding IP Addresses

    Reviewing IP

    Reviewing Binary Numbering Fundamentals

    Calculating Classfully Assumed Network Ranges

    Calculating Network Ranges Using Subnet Masks

Understanding Summarization

    Summarization Advantages

    Summarization Solutions

    Address Planning

Foundation Summary



Chapter 3 EIGRP Principles

"Do I Know This Already?" Quiz

Foundation Topics

EIGRP Features and Advantages

    Neighborship and Reliable Incremental Updates

    Neighbor Discovery and Recovery

    Sophisticated Metric



    Additional EIGRP Advantages

Understanding EIGRP Tables

    Creating the Neighbor Table

    Creating the Topology Table

    Creating the Routing Table

EIGRP Network Design

    EIGRP Design Issues

    Guideline to Address Scaling Issues

Foundation Summary


Chapter 4 Scalable EIGRP

"Do I Know This Already?" Quiz

Foundation Topics

Configuring EIGRP

    Required Commands for Configuring EIGRP

    Optional Commands for Configuring EIGRP

    Optional EIGRP Commands over WANs

Verifying the EIGRP Operation

    The show ip eigrp neighbors Command

    The show ip eigrp topology Command

    The show ip eigrp traffic Command

Troubleshooting EIGRP

Foundation Summary



  Scenario 4-1

  Scenario 4-2

Scenario Answers

  Scenario 4-1 Answers

  Scenario 4-2 Answers


Chapter 5 Understanding Simple Single-Area OSPF

"Do I Know This Already?" Quiz

Foundation Topics

Understanding OSPF Fundamentals

    OSPF Snapshot

    Neighbors and Adjacencies

    Designated Router and Backup Designated Router

    Multiple Areas

Configuring OSPF in a Single Area

    Required Commands for Configuring OSPF Within a Single Area

    Configuration Options for an Internal Router

    A Working Configuration of OSPF on a Single Router

Checking the Configuration of Single-Area OSPF

    The show ip ospf Command

    The show ip ospf database Command

    The show ip ospf interface Command

    The show ip ospf neighbor Command

    The show ip protocols Command

    The show ip route Command

    The debug Commands

Foundation Summary



  Scenario 5-1

Scenario Answers

  Scenario 5-1 Answers

Chapter 6 OSPF Network Topologies

"Do I Know This Already?" Quiz

Foundation Topics

OSPF Network Topology Options

    Understanding the Differences Between OSPF Network Types


    Selecting an OSPF Design

Configuring OSPF in a Nonbroadcast Environment

    Configuring OSPF with the Nonbroadcast OSPF Network Type

    Configuring the OSPF Point-to-Multipoint Network Type

    Configuring OSPF with the Broadcast Network Type

    Configuring OSPF with the Point-to-Point Network Type on a Frame Relay Subinterface

Foundation Summary


Chapter 7 Using OSPF Across Multiple Areas

"Do I Know This Already?" Quiz

Foundation Topics

The Purpose of Multi-area OSPF

The Features of Multi-area OSPF

    Router Types

    Link-State Advertisements

    Different Types of Areas

The Operation of Multi-area OSPF

    ABR LSA Propagation

    OSPF Path Selection Between Areas

    Calculating the Cost of a Path to Another Area

Design Considerations in Multi-area OSPF

    Capacity Planning in OSPF


    Virtual Links

    Multi-area OSPF Over an NBMA Network

Required Configuration Commands for a Multi-area OSPF Network

    Enabling the OSPF Routing Protocol

    Enabling the network Command

Optional Configuration Commands for a Multi-area OSPF Network

    The area range Command

    The summary-address Command

    The area stub Command

    The area area-id stub no-summary Command

    The area default-cost Command

    The area virtual-link Command

Working Configuration of Multi-area OSPF

Verifying the Configuration of OSPF in a Multi-area Network

    The show ip ospf border-routers Command

    The show ip route Command

    The show ip ospf virtual-links Command

    The show ip ospf database Command

Troubleshooting a Multi-area OSPF Network

    The log-adjacency-changes Command

    Useful debug Commands

    Common Problems with Adjacencies

Foundation Summary



  Scenario 7-1

  Scenario 7-2

  Scenario 7-3

Scenario Answers

  Scenario 7-1 Answers

  Scenario 7-2 Answers

  Scenario 7-3 Answers

Chapter 8 OSPF Advanced Topics

"Do I Know This Already?" Quiz

Foundation Topics

Special OSPF Areas

    Stub Areas

    Totally Stubby Areas

    Not-So-Stubby Areas


Configuring OSPF Authentication

    Plaintext Password Authentication

    Message Digest Authentication

Foundation Summary



Chapter 9 Fundamentals of the Integrated IS-IS Protocol

"Do I Know This Already?"Quiz

Foundation Topics

Introduction to Integrated IS-IS

    Understanding the Lingo

    Network Layer Protocols Used in Integrated IS-IS

Comparing IS-IS and OSPF


    LAN Topology



    Future Development

ISO Addressing for Integrated IS-IS

    NETs and NSAPs

    Rules of ISO Addressing

    Example of a NET Address

    Basic Principles of Area Routing

IS-IS Adjacency

    Establishing Adjacencies on a Point-to-Point Link

    Establishing Adjacencies on a Broadcast Link

    Establishing Adjacencies on an NBMA Link

Integrated IS-IS Operation

    The Update Process

    The Decision Process

Integrated IS-IS Design Considerations

    Area Design of Integrated IS-IS Routers

    Route Summarization

    Integrated IS-IS NBMA Design Solutions

Foundation Summary


Chapter 10 Configuring Integrated IS-IS

"Do I Know This Already?" Quiz

Foundation Topics

Basic Configuration of Integrated IS-IS

Optional Integrated IS-IS Commands

    Changing the Router from Level 1-2

    Configuring Summarization

    Configuring NBMA

Verifying the Integrated IS-IS Operation

    The show clns neighbors Command

    The show clns interface Command

    The show isis database Command

    The show isis database detail Command

Troubleshooting the Integrated IS-IS Operation

    The show isis spf-log Command

    The debug Commands

Foundation Summary



  Scenario 10-1

  Scenario 10-2

Scenario Answers

  Scenario 10-1 Answers

  Scenario 10-2 Answers

Part V Cisco IOS Routing Features

Chapter 11 Implementing Redistribution and Controlling Routing Updates

"Do I Know This Already?" Quiz

Foundation Topics

Understanding Redistribution Fundamentals

Understanding the Routing Decisions That Affect Redistribution

    Routing Metrics and Redistribution

    Path Selection Between Routing Protocols

    Potential Problems with Redistribution

Controlling Routing Updates During Redistribution

    Passive Interfaces

    Static Routes

    Default Routes

    The Null Interface

    Distribute Lists

    Route Maps

Configuring Redistribution

    Redistribution Configuration Syntax

    Configuring the Default Metric

    Configuring the Administrative Distance

    Configuration Commands to Control Routing Updates in Redistribution

    Redistribution Case Studies

Controlling Routing Updates with Filtering

Verifying, Maintaining, and Troubleshooting the Redistribution and Filtering


    The traceroute Command

    The Extended ping Command

    Using traceroute and Extended ping

Foundation Summary



  Scenario 11-1

Scenario Answers

  Scenario 11-1 Answers

Chapter 12 Controlling Redistribution with Route Maps

"Do I Know This Already?" Quiz

Foundation Topics

Understanding Route Maps

    Route Map Characteristics

    Pseudo-code Example

Configuring Route Maps

    The match Commands for Redistribution with Route-Maps

    The set Commands for Redistributing with Route-Maps

Monitoring the Configuration of Route Maps and Redistribution

Foundation Summary


Chapter 13 Dynamic Host Control Protocol

"Do I Know This Already?" Quiz

Foundation Topics

Understanding DHCP

DHCP Roles

    Acting as a DHCP Server

    Acting as a DHCP Relay

    Acting as a DHCP Client

Troubleshooting DHCP

Foundation Summary



Chapter 14 BGP Concepts

"Do I Know This Already?" Quiz

Foundation Topics

Introduction to BGP

    The Context for BGP

    When to Use BGP

Connecting to the Internet with BGP

    Redundant Connections to the Internet—Multihoming

    Receiving Routing Information from the Internet


BGP States

Foundation Summary


Chapter 15 BGP Neighbors

"Do I Know This Already?" Quiz

Foundation Topics

Basic BGP Configuration Commands

    Enabling BGP

    Identifying Neighbors and Defining Peer Groups

    Source IP Address

    Forcing the Next-Hop Address

    Defining the Networks to Be Advertised

    Aggregating Routes


Managing and Verifying the BGP Configuration

Resetting Neighbors

Foundation Summary



  Scenario 15-1

  Scenario 15-2

  Scenario 15-3

Scenario Answers

  Scenario 15-1 Answers

  Scenario 15-2 Answers

  Scenario 15-3 Answers

Chapter 16 Controlling BGP Route Selection

"Do I Know This Already?" Quiz

Foundation Topics

BGP Attributes

Controlling BGP Path Selection

    Using the Weight Attribute

    Using the Local-Preference Attribute

    Using the MED Attribute

Verifying the Configuration of Attributes

Foundation Summary



  Scenario 16-1

Scenario Answers

  Scenario 16-1 Answers

Part VII Multicasting

Chapter 17 What Is Multicasting?

"Do I Know This Already?" Quiz

Foundation Topics

IP Styles of Addressing




    Video over IP Scenario

Multicast Addressing

    Multicast MAC Addressing

    Multicast IP Addressing

Current Multicast Use

    Multicast Applications

    Multicast Issues

Foundation Summary


Chapter 18 IGMP

"Do I Know This Already?" Quiz

Foundation Topics

Data Link Layer Support for Multicast

Understanding IGMP




    Determining the Current IGMP Version

Configuring IGMP

    IGMP Groups

    IGMP Snooping

Foundation Summary


Chapter 19 Configuring Multicast

"Do I Know This Already?" Quiz

Foundation Topics

The Central Multicast Problem

Routing Multicast Traffic

    Reverse Path Forwarding

    Multicast Trees


Enabling PIM Sparse-Dense Mode

    Setting Up Multicast Networking

    Enabling Multicast Routing

    Turning on PIM

    Configuring RPs

    Verifying Routes

    Verifying Neighbors

    Verifying Rendezvous Points

    Verifying Multicast Routing

Foundation Summary


Part VIII IPv6

Chapter 20 Introduction to IPv6 and IPv6 Addressing

"Do I Know This Already?" Quiz

Foundation Topics

Introduction to IPv6

    The Need for a Larger Address Space

    IPv6 Features

The IPv6 Packet Header



    Flow Label

IPv6 Addressing

    Representing IPv6 Addresses

    Types of IPv6 Addresses

    IPv6 Interface Identifiers

    IPv6 Unicast Addresses

    IPv6 Anycast Addresses

    IPv6 Multicast Addresses

IPv6 Address Assignment

    Stateless Autoconfiguration

    DHCPv6 and Stateless DHCPv6

IPv6 Mobility

Foundation Summary



  Scenario 20-1

  Scenario 20-1 Answers

Chapter 21 IPv6 Routing Protocols, Configuration, and Transitioning from IPv4

"Do I Know This Already?" Quiz

Foundation Topics

IPv6 Routing Overview

    Static Routes


    EIGRP for IPv6

    IS-IS for IPv6

    MP-BGP4 for IPv6


Configuring and Verifying IPv6 and OSPFv3

    IPv6 Configuration

    OSPFv3 Configuration

    Verifying IPv6 and OSPFv3 Configuration

Transitioning from IPv4 to IPv6

    Dual Stack



Foundation Summary



  Scenario 21-1

  Scenario 21-1 Answers

Appendix A Answers to Chapter "Do I Know This Already?" Quizzes and Q&A Sections

158720147x    TOC    6/20/2007


Download the Foreword


Download the Index


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