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Interconnecting Cisco Network Devices, Part 2 (ICND2) Foundation Learning Guide, 4th Edition

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Interconnecting Cisco Network Devices, Part 2 (ICND2) Foundation Learning Guide, 4th Edition

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Description

  • Copyright 2014
  • Dimensions: 7-3/8" x 9-1/8"
  • Edition: 4th
  • Safari PTG
  • ISBN-10: 0-13-341031-5
  • ISBN-13: 978-0-13-341031-0

This Cisco-authorized, self-paced foundation learning tool helps you prepare for both the 200-101 ICND2 and 200-120 CCNA exams. It delivers the higher level of foundational knowledge you need to prepare for the ICND2 exam (and the ICND2 components in the CCNA Composite exam), and to succeed in a wide range of Cisco networking job roles.

This book teaches with numerous examples, illustrations, and real-world scenarios, helping you rapidly gain both expertise and confidence. Its coverage ranges from internetworking essentials to advanced diagnostic and debugging techniques that are needed by virtually all Cisco professionals.

The book teaches you the technology and theory for building and troubleshooting medium to large scale internetworks, including an in-depth study of VLANs as well as redundancy technologies such as HSRP, STP, and EtherChannel. Additional topics include: implementing scalable mid-sized networks; troubleshooting basic connectivity; implementing EIGRP solutions and OSPF-based scalable multiarea networks; understanding WAN technologies; managing network devices; and advanced troubleshooting.

This edition has been fully updated to reflect Cisco’s latest exam blueprints. Content has been reorganized, simplified, and expanded to help you learn even more efficiently. The book presents you with information applicable to the CCNA that can’t be found in any other CCNA text, including an overview and primer of MPLS, real-world examples, and real-world information on how to more effectively work with the Cisco TAC and diagnose software defects. The book also shows you how to use the Cisco ‘Debug’ command to learn how protocols work.

Interconnecting Cisco Network Devices, Part 2 (ICND2) Foundation Learning Guide, Fourth Edition is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction from authorized Cisco Learning Partners worldwide, please visit www.cisco.com/go/authorizedtraining.

  • VLANs, Spanning Tree Protocol (STP), Hot Standby Routing Protocol (HSRP), and EtherChannel
  • Troubleshooting basic connectivity in IPv4, IPv6, and virtualized network environments
  • EIGRP theory, operation, and troubleshooting (IPv4 and IPv6)
  • OSPF terminology, operation, configuration, and troubleshooting (IPv4 and IPv6)
  • WAN technologies, terminology, theory, configuration, and troubleshooting
  • VPNs and WANs: comparisons and integration
  • Device management with SNMP, SYSLOG, and Cisco Flexible NetFlow
  • Cisco Integrated Service Routers: architecture, configuration management, Cisco IOS software images, and licensing
  • Advanced diagnostics, Cisco IOS software bugs, and debugging

Sample Content

Table of Contents

    Introduction xviii

Chapter 1 Implementing Scalable Medium-Sized Networks 1

    Understanding and Troubleshooting VLANs and VLAN Trunking 2

        VLAN Overview 2

        Trunk Operation 6

        Configuring Trunks 7

        Dynamic Trunking Protocol 8

        VLAN Troubleshooting 9

        Trunk Troubleshooting 10

    Building Redundant Switch Topologies 11

        Understanding Redundant Topologies 12

        BPDU Breakdown 15

        STP Types Defined 20

        Per-VLAN Spanning Tree Plus 21

        Analyzing and Reviewing STP Topology and Operation 24

        Examining Spanning-Tree Failures 26

        STP Features: PortFast, BPDU Guard, Root Guard, UplinkFast, and BackboneFast 28

    Improving Redundancy and Increasing Bandwidth with EtherChannel 29

        EtherChannel Protocols 31

        Port Aggregation Protocol 31

        Link Aggregation Control Protocol 32

        Configuring EtherChannel 33

        Checking EtherChannel Operation 34

    Understanding Default Gateway Redundancy 36

        Hot Standby Router Protocol 37

        HSRP Interface Tracking 38

        HSRP Load Balancing 39

        HSRP in Service Deployments 39

        HSRP in IPv6 40

        Gateway Load-Balancing Protocol 40

    Chapter Summary 42

    Review Questions 42

Chapter 2 Troubleshooting Basic Connectivity 47

    Troubleshooting IPv4 Basic Connectivity 48

        Components of End-to-End IPv4 Troubleshooting 48

        Verification of Connectivity 51

        Cisco Discovery Protocol 58

        Verification of Physical Connectivity Issues 60

        Identification of Current and Desired Path 63

        Default Gateway Issues 66

        Name Resolution Issues 68

        ACL Issues 71

        Understanding Networking in Virtualized Computing Environments 72

    Troubleshooting IPv6 Network Connectivity 75

        Understanding IPv6 Addressing 75

        IPv6 Unicast Addresses 76

        Components of Troubleshooting End-to-End IPv6 Connectivity 78

        Verification of End-to-End IPv6 Connectivity 79

        Neighbor Discovery in IPv6 80

        Identification of Current and Desired IPv6 Path 82

        Default Gateway Issues in IPv6 82

        Name Resolution Issues in IPv6 83

        ACL Issues in IPv6 84

        IPv6 in a Virtual Environment 86

    A Last Note on Troubleshooting 86

    Chapter Summary 88

    Review Questions 88

Chapter 3 Implementing an EIGRP Solution 91

    Dynamic Routing Review 92

        Routing 92

        Routing Domains 92

        Classification of Routing Protocols 93

        Classful Routing Versus Classless Routing 94

        Administrative Distance 95

    EIGRP Features and Function 98

        EIGRP Packet Types 100

        EIGRP Path Selection 101

        Understanding the EIGRP Metric 103

        EIGRP Basic Configuration 105

        Verification of EIGRP Configuration and Operation 106

        EIGRP Passive Interfaces 108

        Load Balancing with EIGRP 111

        Variance 112

        Traffic Sharing 113

        EIGRP Authentication 114

    Troubleshooting EIGRP 115

        Components of Troubleshooting EIGRP 115

        Troubleshooting EIGRP Neighbor Issues 118

        Troubleshooting EIGRP Routing Table Issues 121

        Issues Caused by Unadvertised Routes 121

        Issues Caused by Route Filtering 122

        Issues Caused by Automatic Network Summarization 123

    Implementing EIGRP for IPv6 124

        EIGRP IPv6 Theory of Operation 124

        EIGRP IPv6 Feasible Successor 128

        EIGRP IPv6 Load Balancing 129

        EIGRP for IPv6 Command Syntax 130

        Verification of EIGRP IPv6 Operation 131

        EIGRP for IPv6 Configuration Example 133

        Troubleshooting EIGRP for IPv6 135

    Chapter Summary 136

    Review Questions 137

Chapter 4 Implementing a Scalable Multiarea Network with OSPF 143

    Understanding OSPF 143

        Link-State Routing Protocol Overview 144

        Link-State Routing Protocol Data Structures 145

        Understanding Metrics in OSPF 146

        Establishment of OSPF Neighbor Adjacencies 147

        Building a Link-State Database 149

        OSPF Area Structure 150

        OSPF Area and Router Types 150

        Link-State Advertisements 153

    Multiarea OSPF IPv4 Implementation 154

        Single-Area vs. Multiarea OSPF 155

        Stub Areas, Not So Stubby Areas, and Totally Stub Areas 155

        Planning for the Implementation of OSPF 158

        Multiarea OSPF Configuration 158

        Multiarea OSPF Verification 160

        Troubleshooting Multiarea OSPF 162

        OSPF Neighbor States 162

        Components of Troubleshooting OSPF 166

        Troubleshooting OSPF Neighbor Issues 168

        Troubleshooting OSPF Routing Table Issues 172

        Troubleshooting OSPF Path Selection 174

        Examining OSPFv3 176

        OSPFv3 Key Characteristics 176

        OSPFv3 LSAs 177

        Configuring OSPFv3 178

        OSPFv3 Verification 179

    Chapter Summary 180

    Review Questions 181

Chapter 5 Understanding WAN Technologies 185

    Understanding WAN Technologies 186

        WAN Architecture 188

        Hub-and-Spoke Networks 188

        Partial-Mesh Networks 189

        Full-Mesh Networks 189

        Point-to-Point Networks 191

        WAN Devices 192

        Serial WAN Cabling 195

        WAN Layer 2 Protocols 197

        Other WAN Protocols 199

        Integrated Services Digital Network 199

        X.25 199

        Multiprotocol Label Switching 200

        Service Provider Demarcation Points 200

        T1/E1 200

        DSL Termination 201

        Cable Termination 202

        Other WAN Termination 203

        WAN Link Options 203

        Private WAN Connection Options 204

        Public WAN Connection Options 205

        Metropolitan-Area Networks 207

        Extranet 209

        Configuring Serial Interfaces 209

        Configuration of a Serial Interface 213

        Integrated CSU/DSU Modules 214

        Back-to-Back Routers with an Integrated CSU/DSU 217

        HDLC Protocol 218

        Point-to-Point Protocol 220

        PPP Authentication: PAP 222

        PPP Authentication: CHAP 222

        PPP Configuration 223

        Configuring PPP Authentication with CHAP 225

        Verifying CHAP Configuration 227

        Configuring Multilink PPP over Serial Lines 228

        Verifying Multilink PPP 230

        Troubleshooting Serial Encapsulation 232

    Establishing a WAN Connection Using Frame Relay 233

        Understanding Frame Relay 233

        Frame Relay Topologies 236

        Frame Relay Reachability and Routing Protocol Issues 237

        Frame Relay Signaling 239

        Frame Relay Address Mappings 240

        Configuring Frame Relay 243

        Point-to-Point and Multipoint Frame Relay 244

        Configuring Point-to-Point Frame Relay Subinterfaces 245

        Configuring Point-to-Multipoint Frame Relay 247

        Verifying Frame Relay Configuration 249

    Introducing Cisco VPN Solutions 252

        Introducing IPsec 255

        GRE Tunnels 256

        Configuring a GRE Tunnel 258

        GRE Tunnel Verification 260

        Understanding MPLS Networking 261

        Basic Troubleshooting of MPLS Services 263

    Chapter Summary 264

    Review Questions 265

Chapter 6 Network Device Management 269

    Configuring Network Devices to Support Network Management

        Protocols 270

        SNMP Versions 270

        Obtaining Data from an SNMP Agent 271

        Monitoring Polling Data in SNMP 272

        Monitoring TRAPs in SNMP 273

        Sending Data to an SNMP Agent 274

        SNMP MIBs 275

        Basic SNMP Configuration and Verification 276

        Syslog Overview 279

        Syslog Message Format 281

        Syslog Configuration 281

        NetFlow Overview 283

        NetFlow Architecture 285

        NetFlow Configuration 286

        Verifying NetFlow Operation 287

    Router Initialization and Configuration 288

        Router Internal Component Review 289

        ROM Functions 291

        Router Power-Up Sequence 292

        Configuration Register 293

        Changing the Configuration Register 294

        Locating the Cisco IOS Image to Load 295

        Loading a Cisco IOS Image File 297

        Selecting and Loading the Configuration 300

        Cisco IOS File System and Devices 302

        Managing Cisco IOS Images 305

        Interpreting Cisco IOS Image Filenames 305

        Creating a Cisco IOS Image Backup 306

        Upgrading the Cisco IOS Image 308

        Managing Device Configuration Files 311

        Cisco IOS Password Recovery 313

    Cisco IOS Licensing 315

        Licensing Overview 315

        Cisco IOS Licensing and Packaging Prior to Cisco IOS 15 316

        Cisco IOS 15 Licensing and Packaging 317

        Obtaining Licensing 318

        License Verification 320

        Permanent License Installation 321

        Evaluation License Installation 322

        Backing Up Licenses 325

        Uninstalling Permanent Licenses 325

        Rehosting a License 327

    Cisco IOS-XR, IOS-XE, and NX-OS 328

        Cisco IOS-XR 329

        Cisco IOS-XE 330

        Cisco NX-OS 331

    Chapter Summary 332

    Review Questions 333

Chapter 7 Advanced Troubleshooting 339

    Advanced Router Diagnostics 340

        Collecting Cisco IOS Device Diagnostic Information 340

        Using the Output Interpreter to Detect Issues 341

        Researching Cisco IOS Software Defects 343

    Device Debugging 345

        Capturing Debugging Output 345

        Verifying and Disabling Debugging 350

        Limiting Debugging Output 351

        ACL Triggered Debugging 351

        Conditionally Triggered Debugging 356

        Troubleshooting an Issue with Debugging 357

        Verifying Protocol Operation with Debugging 359

    Chapter Summary 361

    Review Questions 361

Appendix A Answers to Chapter Review Questions 363

Appendix B Basic L3VPN MPLS Configuration and Verification 369

Glossary of Key Terms 375

TOC, 9781587143779, 8/27/2013

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