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CCNP BCMSN Official Exam Certification Guide, 4th Edition

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  • Description
  • Sample Content
  • Updates
  • Copyright 2009
  • Edition: 4th
  • eBook (Watermarked)
  • ISBN-10: 1-58705-871-5
  • ISBN-13: 978-1-58705-871-4

CCNP BCMSN Official Exam Certification Guide

Fourth Edition

  • Master all 642-812 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

David Hucaby, CCIE® No. 4594

CCNP BCMSN Official Exam Certification Guide, Fourth Edition, is a best of breed Cisco® exam study guide that focuses specifically on the objectives for the BCMSN exam. Successfully passing the BCMSN 642-812 exam certifies that you have knowledge and skills necessary to implement scalable multilayer switched networks.

CCNP BCMSN Official Exam Certification Guide, Fourth Edition, follows a logical organization of the BCMSN exam objectives. Material is presented in a concise manner, focusing on increasing readers’ retention and recall of exam topics. Lead network engineer and consultant David Hucaby shares preparation hints and test-taking tips, helping you identify areas of weakness and improve your switching knowledge through the use of the consistent features in each chapter. “Do I Know This Already?” quizzes open each chapter and allow you to decide 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 enables 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.

David Hucaby, CCIE® No. 4594, is a lead network engineer for a large medical environment using Cisco multilayer switching and security products. He also is an independent networking consultant focusing on Cisco-based solutions for healthcare and banking clients.

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

  • Spanning Tree Protocol concepts
  • Virtual LAN (VLAN), VLAN trunking, and inter-VLAN routing
  • Gateway redundancy technologies and protocols
  • Wireless LAN topologies, components, connectivity, and standards
  • Implementing a Cisco Unified Wireless Network
  • Wireless client access
  • Access layer voice concepts
  • Preventing and mitigating attacks against switched network security

Companion CD-ROM

The CD-ROM contains an electronic copy of the book and more than 200 practice questions for the BCMSN 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: BCMSN Exam 642-812

$59.99 USA / $74.99 CAN

Table of Contents

Foreword

Introduction

Part I Overview and Design of a Campus Network

Chapter 1 Campus Network Overview

"Do I Know This Already?" Quiz

Switching Functionality

    Layer 2 Switching

    Layer 3 Routing

    Layer 3 Switching

    Layer 4 Switching

    Multilayer Switching

Campus Network Models

    Shared Network Model

    LAN Segmentation Model

    Network Traffic Models

    Predictable Network Model

Hierarchical Network Design

    Access Layer

    Distribution Layer

    Core Layer

Chapter 2 Modular Network Design

"Do I Know This Already?" Quiz27

Modular Network Design31

    Switch Block32

    Core Block35

    Core Size in a Campus Network38

    Other Building Blocks39

Can I Use Layer 2 Distribution Switches?41

Evaluating an Existing Network42

    Discovering the Network Topology43

    Migrating to a Hierarchical Design47

Part II Building a Campus Network

Chapter 3 Switch Operation

"Do I Know This Already?" Quiz57

Layer 2 Switch Operation61

    Transparent Bridging61

    Follow That Frame!63

Multilayer Switch Operation65

    Types of Multilayer Switching65

    Follow That Packet!66

    Multilayer Switching Exceptions68

Tables Used in Switching69

    Content Addressable Memory69

    Ternary Content Addressable Memory70

Troubleshooting Switching Tables74

    CAM Table Operation74

    TCAM Operation75

Chapter 4 Switch Port Configuration

"Do I Know This Already?" Quiz81

Ethernet Concepts85

    Ethernet (10 Mbps)85

    Fast Ethernet86

    Gigabit Ethernet89

    10-Gigabit Ethernet90

Connecting Switch Block Devices92

    Console Port Cables/Connectors92

    Ethernet Port Cables and Connectors92

    Gigabit Ethernet Port Cables and Connectors93

Switch Port Configuration94

    Selecting Ports to Configure94

    Identifying Ports96

    Port Speed96

    Port Duplex Mode97

    Managing Error Conditions on a Switch Port97

    Enable and Use the Switch Port99

    Troubleshooting Port Connectivity100

Chapter 5 VLANs and Trunks

"Do I Know This Already?" Quiz109

Virtual LANs113

    VLAN Membership114

    Deploying VLANs117

VLAN Trunks119

    VLAN Frame Identification121

    Dynamic Trunking Protocol123

VLAN Trunk Configuration124

    VLAN Trunk Configuration124

    Troubleshooting VLANs and Trunks128

Chapter 6 VLAN Trunking Protocol

"Do I Know This Already?" Quiz135

VLAN Trunking Protocol139

    VTP Domains139

    VTP Modes139

    VTP Advertisements140

VTP Configuration144

    Configuring a VTP Management Domain145

    Configuring the VTP Mode145

    Configuring the VTP Version146

    VTP Configuration Example148

    VTP Status148

VTP Pruning149

    Enabling VTP Pruning151

Troubleshooting VTP152

Chapter 7 Aggregating Switch Links

"Do I Know This Already?" Quiz159

Switch Port Aggregation with EtherChannel164

    Bundling Ports with EtherChannel165

    Distributing Traffic in EtherChannel165

    Configuring EtherChannel Load Balancing167

EtherChannel Negotiation Protocols169

    Port Aggregation Protocol169

    Link Aggregation Control Protocol169

EtherChannel Configuration170

    Configuring a PAgP EtherChannel170

    Configuring a LACP EtherChannel171

Troubleshooting an EtherChannel172

Chapter 8 Traditional Spanning Tree Protocol

"Do I Know This Already?" Quiz181

IEEE 802.1D Overview185

    Bridging Loops185

    Preventing Loops with Spanning Tree Protocol189

    Spanning-Tree Communication: Bridge Protocol Data Units189

    Electing a Root Bridge191

    Electing Root Ports192

    Electing Designated Ports195

    STP States197

    STP Timers199

    Topology Changes200

Types of STP206

    Common Spanning Tree206

    Per-VLAN Spanning Tree206

    Per-VLAN Spanning Tree Plus207

Chapter 9 Spanning Tree Configuration

"Do I Know This Already?" Quiz215

STP Root Bridge219

    Root Bridge Placement219

    Root Bridge Configuration223

    Spanning-Tree Customization226

    Tuning the Root Path Cost227

    Tuning the Port ID228

Tuning Spanning-Tree Convergence229

    Modifying STP Timers230

Redundant Link Convergence232

    PortFast: Access-Layer Nodes233

    UplinkFast: Access-Layer Uplinks234

    BackboneFast: Redundant Backbone Paths236

Troubleshooting STP237

Chapter 10 Protecting the Spanning Tree†Protocol Topology

"Do I Know This Already?" Quiz243

Protecting Against Unexpected BPDUs247

    Root Guard247

    BPDU Guard248

Protecting Against Sudden Loss of BPDUs250

    Loop Guard250

    UDLD251

Using BPDU Filtering to Disable STP on a Port254

Troubleshooting STP Protection254

Chapter 11 Advanced Spanning Tree Protocol

"Do I Know This Already?" Quiz259

Rapid Spanning Tree Protocol263

    RSTP Port Behavior263

    BPDUs in RSTP265

    RSTP Convergence265

    Topology Changes and RSTP269

    RSTP Configuration270

Rapid Per-VLAN Spanning Tree Protocol270

Multiple Spanning Tree Protocol272

    MST Overview274

    MST Regions274

    Spanning Tree Instances Within MST275

    MST Configuration277

Part III Layer 3 Switching

Chapter 12 Multilayer Switching

"Do I Know This Already?" Quiz287

InterVLAN Routing291

    Types of Interfaces292

    Configuring InterVLAN Routing292

Multilayer Switching with CEF295

    Traditional MLS Overview295

    CEF Overview295

    Forwarding Information Base296

    Adjacency Table299

    Packet Rewrite302

    Configuring CEF303

    Fallback Bridging303

Verifying Multilayer Switching304

    Verifying InterVLAN Routing304

    Verifying CEF307

    Verifying Fallback Bridging308

Chapter 13 Router, Supervisor, and Power Redundancy

"Do I Know This Already?" Quiz313

Router Redundancy in Multilayer Switching317

    Packet Forwarding Review317

    Hot Standby Router Protocol318

    Virtual Router Redundancy Protocol327

    Gateway Load Balancing Protocol330

Verifying Gateway Redundancy338

Redundancy Within a Switch Chassis339

    Redundant Switch Supervisors339

    Redundant Power Supplies343

Part IV Campus Network Services

Chapter 14 IP Telephony

"Do I Know This Already?" Quiz353

Power over Ethernet (PoE)357

    How Power over Ethernet Works357

    Detecting a Powered Device358

    Supplying Power to a Device359

    Configuring Power over Ethernet360

    Verifying Power over Ethernet360

Voice VLANs361

    Voice VLAN Configuration362

    Verifying Voice VLAN Operation364

Voice QoS366

    QoS Overview366

    Best-Effort Delivery367

    Integrated Services Model368

    Differentiated Services Model368

DiffServ QoS369

    Layer 2 QoS Classification369

    Layer 3 QoS Classification with DSCP370

    Implementing QoS for Voice372

    Configuring a Trust Boundary374

    Using Auto-QoS to Simplify a Configuration375

    Verifying Voice QoS378

Chapter 15 Securing Switch Access

"Do I Know This Already?" Quiz385

Port Security389

Port-Based Authentication392

    802.1x Configuration393

    802.1x Port-Based Authentication Example394

Mitigating Spoofing Attacks395

    DHCP Snooping395

Best Practices for Securing Switches401

Chapter 16 Securing with VLANs

"Do I Know This Already?" Quiz409

VLAN Access Lists413

    VACL Configuration413

Private VLANs414

    Private VLAN Configuration416

    Configure the Private VLANs417

    Associate Ports with Private VLANs417

    Associate Secondary VLANs to a Primary VLAN SVI419

Securing VLAN Trunks420

    Switch Spoofing420

    VLAN Hopping422

Part V Wireless LANs

Chapter 17 Wireless LAN Overview

"Do I Know This Already?" Quiz431

Wireless LAN Basics435

    Comparing Wireless and Wired LANs435

    Avoiding Collisions in a WLAN436

WLAN Building Blocks438

    Access Point Operation441

    Wireless LAN Cells442

An Introduction to Wireless LAN RF445

    Basic RF Operation445

    RF Characteristics447

    RF Signal Strength Terminology452

    WLAN Antennas457

WLAN Standards459

    Regulatory Agencies459

    WLAN Frame Types and Sizes460

    802.11b460

    802.11g463

    802.11a463

    Additional 802.11 Standards464

Chapter 18 Wireless Architecture and Design

"Do I Know This Already?" Quiz471

WLAN Security475

    Legacy Security476

    EAP-Based Security Methods477

    WPA479

    WPA2480

Wireless Client Operation481

AP Association and Roaming482

    The Roaming Process484

    Roaming Implications486

Cell Layout and Channel Usage487

    Sizing AP Cells488

    WLAN Channel Layout489

Chapter 19 Cisco Unified Wireless Network

"Do I Know This Already?" Quiz497

Traditional WLAN Architecture501

Cisco Unified Wireless Network Architecture503

    WLC Functions506

Lightweight AP Operation508

    Traffic Patterns in a Cisco Unified Wireless Network509

Lightweight AP Association and Roaming511

    Intra-Controller Roaming512

    Inter-Controller Roaming514

    Mobility Groups518

Basic Wireless LAN Configuration518

    WLC Configuration519

    LAP Configuration524

Part VI Scenarios for Final Preparation

Chapter 20 Scenarios for Final Preparation

Scenario 1: Trunking and DTP535

Scenario 2: VLANs, Trunking, and VTP536

Scenario 3: EtherChannels537

Scenario 4: Traditional STP538

Scenario 5: Advanced STP539

Scenario 6: Router Redundancy with HSRP, VRRP, and GLBP540

Scenario 7: IP Telephony in a Switched Network541

Scenario 8: Securing Access and Managing Traffic in a Switched Network541

Scenario 9: Implementing a Wireless LAN542

Scenario 1 Answers544

Scenario 2 Answers544

Scenario 3 Answers545

Scenario 4 Answers545

Scenario 5 Answers547

Scenario 6 Answers547

Scenario 7 Answers548

Scenario 8 Answers549

Scenario 9 Answers551

Part VII Appendix

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

1587201712   TOC   11/16/2006

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