CCNP Routing and Switching TSHOOT 300-135 Official Cert Guide

• Copyright 2015
• Dimensions: 7-3/8" x 9-1/8"
• Edition: 1st

• Safari PTG
• ISBN-10: 0-13-314990-0
• ISBN-13: 978-0-13-314990-6

Trust the best-selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for exam success. They are built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam.

• Master Cisco CCNP TSHOOT 300-135 exam topics
• Assess your knowledge with chapter-opening quizzes
• Review key concepts with exam preparation tasks

This is the eBook edition of the CCNP Routing and Switching TSHOOT 300-135 Official Cert Guide.  This eBook does not include the companion CD-ROM with practice exam that comes with the print edition.

CCNP Routing and Switching TSHOOT 300-115 Official Cert Guide from Cisco Press enables you to succeed on the exam the first time and is the only self-study resource approved by Cisco. Expert instructor Raymond Lacoste shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. 

This complete, official study package includes

• A test-preparation routine proven to help you pass the exam
• Do I Know This Already? quizzes, which enable you to decide how much time you need to spend on each section
• Chapter-ending exercises, which help you drill on key concepts you must know thoroughly
• The powerful Pearson IT Certification Practice Test software, complete with hundreds of well-reviewed  questions, customization options, and detailed performance reports
• More than 60 minutes of personal video mentoring from the author on important exam strategies
• A trouble ticket chapter that explores 10 additional network failures and the approaches you can take to resolve the issues presented
• A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies
• Study plan suggestions and templates to help you organize and optimize your study time

Well regarded for its level of detail, study plans, assessment features, challenging review questions and exercises, this official study guide helps you master the concepts and techniques that ensure your exam success.

CCNP Routing and Switching TSHOOT 300-115 Official Cert Guide 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 offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com.

The official study guide helps you master topics on the CCNP R&S TSHOOT 300-135 exam, including how to troubleshoot:

• Device performance
• VLANs, Trunks, and VTP
• STP and Layer 2 Etherchannel
• Inter-VLAN routing and Layer 3 Etherchannel
• Switch security
• HSRP, VRRP, GLBP
• IPv4 and IPv6 addressing
• IPv4/IPv6 routing and GRE tunnels
• RIPv2, RIPng, EIGRP, and OSPF
• Route maps, policy-based routing, and route redistribution
• BGP
• Management protocols, tools, and access

Table of Contents

    Introduction xxx

Part I Fundamental Troubleshooting and Maintenance Concepts

Chapter 1 Introduction to Troubleshooting and Network Maintenance 3

    “Do I Know This Already?” Quiz 3

    Foundation Topics 9

    Introduction to Troubleshooting 9

        Defining Troubleshooting 9

        The Value of Structured Troubleshooting 11

        A Structured Approach 13

        1. Problem Report 13

        2. Collect Information 14

        3. Examine Collected Information 15

        4. Eliminate Potential Causes 16

        5. Propose an Hypothesis 17

        6. Verify Hypothesis 18

        7. Problem Resolution 19

    Popular Troubleshooting Methods 20

        The Top-Down Method 21

        The Bottom-Up Method 21

        The Divide-and-Conquer Method 22

        The Following the Traffic Path Method 23

        The Comparing Configurations Method 23

        The Component Swapping Method 24

        Practice Exercise: Selecting a Troubleshooting Approach 25

    Introduction to Network Maintenance 26

        Defining Network Maintenance 26

        Proactive Versus Reactive Network Maintenance 27

        Well-Known Network Maintenance Models 28

        Example of Adapting a Network Maintenance Model 28

    Common Maintenance Procedures 29

        Routine Maintenance Tasks 29

        Scheduled Maintenance 30

        Managing Network Changes 30

        Maintaining Network Documentation 32

        Restoring Operations After a Failure 33

        Measuring Network Performance 34

    The Troubleshooting and Network Maintenance Relationship 34

        Maintaining Current Network Documentation 35

        Establishing a Baseline 36

        Communication 36

        Change Management 37

    Exam Preparation Tasks 39

    Review All Key Topics 39

    Define Key Terms 39

Chapter 2 Troubleshooting and Maintenance Tools 41

    “Do I Know This Already?” Quiz 41

    Foundation Topics 45

    The Troubleshooting and Network Maintenance Toolkit 45

        Network Documentation Tools 46

        Basic Tools 47

        CLI Tools 47

        GUI Tools 48

        Recovery Tools 48

        Logging Tools 53

        Network Time Protocol as a Tool 56

        Advanced Tools 57

        Overview of SNMP and NetFlow 57

        Creating a Baseline with SNMP and NetFlow 58

        SNMP 58

        NetFlow 59

        Cisco Support Tools 64

    Using Cisco IOS to Verify and Define the Problem 64

        Ping 64

        Telnet 67

        Traceroute 67

    Using Cisco IOS to Collect Information 68

        Filtering the Output of show Commands 69

        Redirecting show Command Output to a File 73

        Troubleshooting Hardware 74

    Collecting Information in Transit 75

        Performing Packet Captures 75

        SPAN 76

        RSPAN 78

    Using Tools to Document a Network 80

    Exam Preparation Tasks 85

    Review All Key Topics 85

    Define Key Terms 86

    Complete Tables and Lists from Memory 86

    Command Reference to Check Your Memory 86

Chapter 3 Troubleshooting Device Performance 93

    “Do I Know This Already?” Quiz 93

    Foundation Topics 96

        Troubleshooting Switch Performance Issues 96

        Cisco Catalyst Switch Troubleshooting Targets 96

        TCAM Troubleshooting 101

        High CPU Utilization Troubleshooting on a Switch 105

        Troubleshooting Router Performance Issues 106

        Excessive CPU Utilization 107

        Understanding Packet-Switching Modes (Routers and Multilayer Switches) 113

        Troubleshooting Packet-Switching Modes 116

        Excessive Memory Utilization 121

    Exam Preparation Tasks 124

    Review All Key Topics 124

    Define Key Terms 124

    Complete Tables and Lists from Memory 125

    Command Reference to Check Your Memory 125

Part II Troubleshooting Cisco Catalyst Switch Features

Chapter 4 Troubleshooting Layer 2 Trunks, VTP, and VLANs 129

    “Do I Know This Already?” Quiz 129

    Foundation Topics 132

    Frame-Forwarding Process 132

    Troubleshooting Trunks 140

        Encapsulation Mismatch 141

        Incompatible Trunking Modes 143

        VTP Domain Name Mismatch 146

        Native VLAN Mismatch 146

        Allowed VLANs 147

    Troubleshooting VTP 148

        Domain Name Mismatch 148

        Version Mismatch 149

        Mode Mismatch 149

        Password Mismatch 151

        Higher Revision Number 151

    Troubleshooting VLANs 152

        Incorrect IP Addressing 152

        Missing VLAN 153

        Incorrect Port Assignment 154

    The MAC Address Table 155

    Layer 2 Trouble Tickets 157

        Trouble Ticket 4-1 158

        Trouble Ticket 4-2 160

    Exam Preparation Tasks 165

    Review All Key Topics 165

    Define Key Terms 165

    Complete Tables and Lists from Memory 166

    Command Reference to Check Your Memory 166

Chapter 5 Troubleshooting STP and Layer 2 EtherChannel 169

    “Do I Know This Already?” Quiz 169

    Foundation Topics 172

    Spanning Tree Protocol Overview 172

        Reviewing STP Operation 173

        Determining Root Port 175

        Determining Designated Port 176

        Determining Nondesignated Port 176

    Collecting Information About an STP Topology 177

        Gathering STP Information 177

        Gathering MSTP Information 179

    STP Troubleshooting Issues 180

        Corruption of a Switch’s MAC Address Table 180

        Broadcast Storms 181

    Troubleshooting STP Features 182

        PortFast 183

        BPDU Guard 184

        BPDU Filter 187

        Root Guard 189

        Loop Guard 190

    STP Trouble Tickets 190

        Trouble Ticket 5-1 191

        Trouble Ticket 5-2 194

        Trouble Ticket 5-3 196

    Troubleshooting Layer 2 EtherChannel 199

        Reviewing Layer 2 EtherChannel 199

    EtherChannel Trouble Tickets 200

        Trouble Ticket 5-4 201

        Trouble Ticket 5-5 204

    Exam Preparation Tasks 206

    Review All Key Topics 206

    Define Key Terms 206

    Complete Tables and Lists from Memory 207

    Command Reference to Check Your Memory 207

Chapter 6 Troubleshooting Inter-VLAN Routing and Layer 3 EtherChannels 209

    “Do I Know This Already?” Quiz 209

    Foundation Topics 212

    Troubleshooting a Router-on-a-Trunk/Stick 212

    Router-on-a-Trunk/Stick Trouble Tickets 213

        Trouble Ticket 6-1 214

        Trouble Ticket 6-2 218

    Troubleshooting Switched Virtual Interfaces 221

        Reviewing SVIs 221

        Troubleshooting SVIs 223

    SVI Trouble Tickets 224

        Trouble Ticket 6-3 225

        Trouble Ticket 6-4 230

    Troubleshooting Routed Ports 233

    Routed Ports Trouble Tickets 234

        Trouble Ticket 6-5 235

    Troubleshooting Layer 3 EtherChannel 237

    Layer 3 EtherChannel Trouble Tickets 239

        Trouble Ticket 6-6 240

    Exam Preparation Tasks 244

    Review All Key Topics 244

    Define Key Terms 244

    Complete Tables and Lists from Memory 245

    Show Command Reference to Check Your Memory 245

Chapter 7 Troubleshooting Switch Security Features 247

    “Do I Know This Already?” Quiz 247

    Foundation Topics 250

    Troubleshooting Port Security 250

        Common Port Security Issues 250

        Port Security Configured but Not Enabled 250

        Static MAC Address Not Configured Correctly 251

        Maximum Number of MAC Addresses Reached 253

        Legitimate Users Being Blocked Because of Violation 254

        Running Configuration Not Saved to Startup Configuration 260

    Port Security Trouble Tickets 261

    Trouble Ticket 7-1 261

        Troubleshooting Spoof-Prevention Features 265

        DHCP Snooping 265

        Dynamic ARP Inspection 267

        IP Source Guard 268

    Spoof-Prevention Features Trouble Tickets 270

        Trouble Ticket 7-2 270

    Troubleshooting Access Control 273

        Protected Ports 273

        Private VLANs 275

        VACLs 279

    Exam Preparation Tasks 281

    Review All Key Topics 281

    Define Key Terms 282

    Command Reference to Check Your Memory 282

Chapter 8 Troubleshooting First-Hop Redundancy Protocols 287

    “Do I Know This Already?” Quiz 287

    Foundation Topics 290

    Troubleshooting HSRP 290

        Reviewing HSRP 290

        HSRP Converging After a Failure 291

        HSRP Verification and Troubleshooting 292

        Virtual Router MAC Address 293

        Interface Tracking 293

        Verifying First Hop 294

        Debug 296

    HSRP Trouble Tickets 297

        Trouble Ticket 8-1 297

        Trouble Ticket 8-2 300

        Trouble Ticket 8-3 302

    Troubleshooting VRRP 306

        Reviewing VRRP 306

        VRRP Verification and Troubleshooting 308

        Virtual Router MAC Address 309

        Object Tracking 309

        Verifying First Hop 310

    VRRP Trouble Tickets 312

        Trouble Ticket 8-4 312

        Trouble Ticket 8-5 315

    Troubleshooting GLBP 318

        Reviewing GLBP 319

        GLBP Verification and Troubleshooting 321

        Virtual Router MAC Addresses 323

        GLBP Object Tracking 323

        Verifying GLBP First Hop 325

    GLBP Trouble Tickets 326

        Trouble Ticket 8-6 327

        Trouble Ticket 8-7 329

    Comparing HSRP, VRRP, and GLBP 330

    Exam Preparation Tasks 332

    Review All Key Topics 332

    Define Key Terms 333

    Complete Tables and Lists from Memory 333

    Command Reference to Check Your Memory 333

Part III Troubleshooting Router Features

Chapter 9 Troubleshooting IPv4 Addressing and Addressing Technologies 335

    “Do I Know This Already?” Quiz 335

    Foundation Topics 338

    Troubleshooting IPv4 Addressing 338

        IPv4 Addressing Issues 338

        Determining IP Addresses Within a Subnet 341

    Troubleshooting DHCP for IPv4 342

        Reviewing DHCP Operations 342

        Potential DHCP Troubleshooting Issues 347

        DHCP Troubleshooting Commands 348

    Troubleshooting NAT 350

        Reviewing NAT 350

        NAT Troubleshooting Issues 353

        NAT Troubleshooting Commands 354

    IPv4 Addressing and Addressing Technologies Trouble Tickets 356

        Trouble Ticket 9-1 356

        Trouble Ticket 9-2 358

        Trouble Ticket 9-3 361

    Exam Preparation Tasks 364

    Review All Key Topics 364

    Define Key Terms 365

    Command Reference to Check Your Memory 365

Chapter 10 Troubleshooting IPv6 Addressing and Addressing Technologies 367

    “Do I Know This Already?” Quiz 367

    Foundation Topics 370

    Troubleshooting IPv6 Addressing 370

        IPv6 Addressing Review 370

        Neighbor Solicitation and Neighbor Advertisement 370

        EUI-64 373

    Troubleshooting IPv6 Address Assignment 375

        Stateless Address Autoconfiguration/SLAAC 375

        Stateful DHCPv6 381

        Stateless DHCPv6 382

        DHCPv6 Operation 384

        DHCPv6 Relay Agent 385

    IPv6 Addressing Trouble Tickets 386

        Trouble Ticket 10-1 386

        Trouble Ticket 10-2 389

    Exam Preparation Tasks 394

    Review All Key Topics 394

    Define Key Terms 395

    Command Reference to Check Your Memory 395

Chapter 11 Troubleshooting IPv4 and IPv6 ACLs and Prefix Lists 397

    “Do I Know This Already?” Quiz 397

    Foundation Topics 401

    Troubleshooting IPv4 ACLs 401

        Reading an IPv4 ACL 401

        Using an IPv4 ACL for Filtering 403

        Using a Time-Based IPv4 ACL 403

    IPv4 ACL Trouble Tickets 405

        Trouble Ticket 11-1 405

    Troubleshooting IPv6 ACLs 407

        Reading an IPv6 ACL 408

        Using an IPv6 ACL for Filtering 409

    IPv6 ACL Trouble Tickets 410

        Trouble Ticket 11-2 410

    Troubleshooting Prefix Lists 414

        Reading a Prefix List 414

        Prefix List Processing 415

    Prefix List Trouble Tickets 416

        Trouble Ticket 11-3 417

    Exam Preparation Tasks 419

    Review All Key Topics 419

    Define Key Terms 419

    Command Reference to Check Your Memory 419

Chapter 12 Troubleshooting Basic IPv4/IPv6 Routing and GRE Tunnels 423

    “Do I Know This Already?” Quiz 423

    Foundation Topics 427

    Packet-Forwarding Process 427

        Reviewing Layer 3 Packet-Forwarding Process 427

        Troubleshooting the Packet-Forwarding Process 431

    Troubleshooting Routing Information Sources 435

        Data Structures and the Routing Table 436

        Sources of Route Information 436

    Troubleshooting Static Routes 438

        IPv4 Static Routes 439

        IPv6 Static Routes 443

    Static Routing Trouble Tickets 445

        Trouble Ticket 12-1 445

        Trouble Ticket 12-2 448

    Troubleshooting GRE Tunnels 450

    Exam Preparation Tasks 459

    Review All Key Topics 459

    Define Key Terms 460

    Complete Tables and Lists from Memory 460

    Command Reference to Check Your Memory 460

Chapter 13 Troubleshooting RIPv2 and RIPng 463

    “Do I Know This Already?” Quiz 463

    Foundation Topics 466

    Troubleshooting RIPv2 466

        Missing RIPv2 Routes 466

        Interface Is Shut Down 469

        Wrong Subnet 469

        Bad or Missing Network Statement 470

        Passive Interface 471

        Wrong Version 473

        Max Hop Count Exceeded 475

        Authentication 477

        Route Filtering 479

        Split Horizon 480

        Autosummarization 482

        Better Source of Information 483

        ACLs 485

        Load Sharing 485

        Other RIP Issues 486

        Missing Default Route 486

        Route Summarization 487

    Troubleshooting RIPng 492

    RIPv2 and RIPng Trouble Tickets 498

        Trouble Ticket 13-1 498

        Trouble Ticket 13-2 502

        Trouble Ticket 13-3 506

    Exam Preparation Tasks 509

    Review All Key Topics 509

    Define Key Terms 510

    Command Reference to Check Your Memory 510

Chapter 14 Troubleshooting EIGRP 513

    “Do I Know This Already?” Quiz 513

    Foundation Topics 517

    Troubleshooting EIGRP for IPv4 517

        Troubleshooting EIGRP for IPv4 Neighbor Adjacencies 517

        Interface Is Down 518

        Mismatched Autonomous System Numbers 518

        Incorrect Network Statement 520

        Mismatched K Values 522

        Passive Interface 523

        Different Subnets 524

        Authentication 525

        ACLs 527

        Timers 528

        Troubleshooting EIGRP for IPv4 Routes 528

        Bad or Missing Network Command 529

        Better Source of Information 530

        Route Filtering 534

        Stub Configuration 535

        Interface Is Shut Down 537

        Split-horizon 537

        Troubleshooting Miscellaneous EIGRP for IPv4 Issues 539

        Feasible Successors 539

        Discontiguous Networks and Autosummarization 542

        Route Summarization 543

    Load Balancing 544

    EIGRP for IPv4 Trouble Tickets 546

        Trouble Ticket 14-1 546

        Trouble Ticket 14-2 553

        Trouble Ticket 14-3 557

    Troubleshooting EIGRP for IPv6 561

        Troubleshooting EIGRP for IPv6 Neighbor Issues 561

        Interface Is Down 561

        Mismatched Autonomous System Numbers 562

        Mismatched K Values 562

        Passive Interfaces 562

        Mismatched Authentication 562

        Timers 563

        Interface Not Participating in Routing Process 563

        ACLs 564

        Troubleshooting EIGRP for IPv6 Route 564

        Interface Not Participating in Routing Process 564

        Better Source of Information 565

        Route Filtering 565

        Stub Configuration 565

        Split-horizon 566

    EIGRP for IPv6 Trouble Tickets 567

        Trouble Ticket 14-4 568

    Troubleshooting Named EIGRP Configurations 572

        Named EIGRP Verification Commands 573

    Named EIGRP Trouble Tickets 577

        Trouble Ticket 14-5 577

    Exam Preparation Tasks 582

    Review All Key Topics 582

    Define Key Terms 583

    Command Reference to Check Your Memory 583

Chapter 15 Troubleshooting OSPF 587

    “Do I Know This Already?” Quiz 587

    Foundation Topics 590

    Troubleshooting OSPFv2 590

        Troubleshooting OSPFv2 Neighbor Adjacencies 590

        Interface Is Down 593

        Interface Not Running the OSPF Process 593

        Mismatched Timers 594

        Mismatched Area Numbers 596

        Mismatched Area Type 597

        Different Subnets 598

        Passive Interface 599

        Mismatched Authentication Information 600

        ACLs 601

        MTU Mismatch 602

        Duplicate Router IDs 603

        Mismatched Network Types 604

        Troubleshooting OSPFv2 Routes 606

        Interface Not Running the OSPF Process 606

        Better Source of Information 607

        Route Filtering 611

        Stub Area Configuration 613

        Interface Is Shut Down 614

        Wrong Designated Router Was Elected 615

        Duplicate Router IDs 619

        Troubleshooting Miscellaneous OSPFv2 Issues 620

        Tracking OSPF Advertisements Through a Network 620

        Route Summarization 622

        Discontiguous Areas 624

        Load Balancing 626

        Default Route 627

    OSPFv2 Trouble Tickets 627

        Trouble Ticket 15-1 628

        Trouble Ticket 15-2 635

    Trouble Ticket 15-3 639

    Troubleshooting OSPFv3 for IPv6 641

        OSPFv3 Troubleshooting Commands 641

    OSPFv3 Trouble Tickets 647

        Trouble Ticket 15-4 647

        Trouble Ticket 15-5 650

    Troubleshoot OSPFv3 Address Families 655

        OSPFv3 Address Family Troubleshooting 655

    OSPFv3 AF Trouble Tickets 664

        Trouble Ticket 15-6 665

    Exam Preparation Tasks 669

    Review All Key Topics 669

    Define Key Terms 670

    Complete Tables and Lists from Memory 670

    Command Reference to Check Your Memory 671

Chapter 16 Troubleshooting Route Maps and Policy-Based Routing 675

    “Do I Know This Already?” Quiz 675

    Foundation Topics 678

    Troubleshooting Route Maps 678

        How to Read a Route Map 678

    Troubleshooting Policy-Based Routing 681

        PBR 681

    Policy-Based Routing Trouble Tickets 684

        Trouble Ticket 16-1 685

        Trouble Ticket 16-2 689

        Trouble Ticket 16-3 691

    Exam Preparation Tasks 693

    Review All Key Topics 693

    Define Key Terms 693

    Command Reference to Check Your Memory 693

Chapter 17 Troubleshooting Redistribution 697

    “Do I Know This Already?” Quiz 697

    Foundation Topics 700

    Troubleshooting IPv4 and IPv6 Redistribution 700

    Route Redistribution Overview 700

        Troubleshooting Redistribution into RIP 703

        Troubleshooting Redistribution into EIGRP 706

        Troubleshooting Redistribution into OSPF 710

        Troubleshooting Redistribution into BGP 715

        Troubleshooting Redistribution with Route Maps 718

    Redistribution Trouble Tickets 718

        Trouble Ticket 17-1 719

        Trouble Ticket 17-2 723

        Trouble Ticket 17-3 727

        Trouble Ticket 17-4 733

    Troubleshooting Advanced Redistribution Issues 737

        Troubleshooting Suboptimal Routing Caused by Redistribution 737

        Troubleshooting Routing Loops Caused by Redistribution 739

    Exam Preparation Tasks 745

    Review All Key Topics 745

    Define Key Terms 745

    Command Reference to Check Your Memory 746

Chapter 18 Troubleshooting BGP 749

    “Do I Know This Already?” Quiz 749

    Foundation Topics 753

    Troubleshooting BGP Neighbor Adjacencies 753

        Interface Is Down 754

        Layer 3 Connectivity Is Broken 754

        Path to Neighbor Is via Default Route 755

        Neighbor Does Not Have a Route to the Local Router 756

        Incorrect neighbor Statement 757

        BGP Packets Sourced from Wrong IP Address 758

        ACLs 759

        TTL of BGP Packet Expires 761

        Mismatched Authentication 763

        Misconfigured Peer Groups 764

        Timers 765

    Troubleshooting BGP Routes 766

        Missing or Bad network mask Command 768

        Next-Hop Router Not Reachable 770

        BGP Split-Horizon Rule 772

        Better Source of Information 773

        Route Filtering 775

    Troubleshooting BGP Path Selection 780

        Understanding the Best Path Decision-Making Process 781

        Private Autonomous System Numbers 784

        Using debug Commands 784

    Troubleshooting BGP for IPv6 786

    BGP Trouble Tickets 790

        Trouble Ticket 18-1 791

        Trouble Ticket 18-2 796

        Trouble Ticket 18-3 802

    MP-BGP Trouble Tickets 807

        Trouble Ticket 18-4 807

    Exam Preparation Tasks 810

    Review All Key Topics 810

    Define Key Terms 811

    Command Reference to Check Your Memory 811

Part IV Troubleshooting Management

Chapter 19 Troubleshooting Management Protocols and Tools 815

    “Do I Know This Already?” Quiz 815

    Foundation Topics 818

    Management Protocols Troubleshooting 818

        NTP Troubleshooting 818

        Syslog Troubleshooting 821

    SNMP Troubleshooting 823

    Management Tools Troubleshooting 826

        Cisco IOS IPSLA Troubleshooting 827

        Object Tracking Troubleshooting 833

        SPAN and RSPAN Troubleshooting 835

    Management Protocols and Tools Trouble Tickets 837

        Trouble Ticket 19-1 838

    Exam Preparation Tasks 845

    Review All Key Topics 845

    Define Key Terms 846

    Command Reference to Check Your Memory 846

Chapter 20 Troubleshooting Management Access 851

    “Do I Know This Already?” Quiz 851

    Foundation Topics 854

    Console and vty Access Troubleshooting 854

        Console Access Troubleshooting 854

        vty Access Troubleshooting 855

        Telnet 855

        SSH 857

        Password Encryption Levels 858

    Cisco IOS AAA Troubleshooting 858

    Management Access Trouble Tickets 861

        Trouble Ticket 20-1 862

        Trouble Ticket 20-2 863

        Trouble Ticket 20-3 865

    Exam Preparation Tasks 868

    Review All Key Topics 868

    Define Key Terms 868

    Command Reference to Check Your Memory 868

Part V Final Preparation

Chapter 21 Additional Trouble Tickets 871

    Introduction 871

    Trouble Ticket 1 872

    Suggested Solution 875

    Trouble Ticket 2 876

    Suggested Solution 879

    Trouble Ticket 3 880

    Suggested Solution 882

    Trouble Ticket 4 884

    Issue 1: Suggested Solution 891

    Issue 2: Suggested Solution 897

    Issue 3: Suggested Solution 897

    Issue 4: Suggested Solution 898

    Trouble Ticket 5 901

    Suggested Solution 907

    Trouble Ticket 6 910

    Suggested Solution 916

    Trouble Ticket 7 918

    Issue 1: Forgotten Enable Secret Password 919

        Issue 1: Suggested Solution 919

    Issue 2: An exec-timeout Parameter Set Too Low 921

        Issue 2: Suggested Solution 921

    Issue 3: ACL Misconfiguration 922

        Issue 3: Suggested Solution 922

    Trouble Ticket 8 923

    Suggested Solution 926

    Trouble Ticket 9 926

    Issue 1: Adjacency Between Routers R1 and R2 927

        Issue 1: Suggested Solution 930

    Issue 2: Adjacency Between Routers R2 and BB2 930

        Issue 2: Suggested Solution 931

    Issue 3: Adjacency Between Routers BB1 and BB2 931

        Issue 3: Suggested Solution 933

    Trouble Ticket 10 934

    Issue 1: Router R2 Not Load Balancing Between Routers BB1 and BB2 937

        Issue 1: Suggested Solution 937

    Issue 2: Backbone Routes Not Being Suppressed 938

        Issue 2: Suggested Solution 939

Chapter 22 Final Preparation 943

    Tools for Final Preparation 943

    Exam Engine and Questions on the CD 943

        Install the Exam Engine 944

        Activate and Download the Practice Exam 944

        Activating Other Exams 945

    Premium Edition 945

    The Cisco Learning Network 945

    Memory Tables 945

    Chapter-Ending Review Tools 946

    Suggested Plan for Final Review/Study 946

    Step 1: Review Key Topics and DIKTA Questions 947

    Step 3: Hands-On Practice 947

    Step 5: Subnetting Practice 948

    Step 6: Use the Exam Engine 948

    Summary 949

Part VI Appendixes

Appendix A Answers to the “Do I Know This Already” Quizzes 951

Appendix B TSHOOT Exam Updates 957

CD-Only Appendixes and Glossary

Appendix C Memory Tables

Appendix D Memory Tables Answer Key

Appendix E Study Planner

9781587205613, 10/29/14, MF

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