CCNP Routing and Switching SWITCH 300-115 Official Cert Guide
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CCNP Routing and Switching SWITCH 300-115 Official Cert Guide

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CCNP Routing and Switching SWITCH 300-115 Official Cert Guide



CCNP Routing and Switching SWITCH 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 engineer David Hucaby 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 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, exam-realistic questions, customization options, and detailed performance reports
More than 60 minutes of personal video mentoring from the author on important exam topics
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, and challenging review questions and exercises, this official study guide helps you master the concepts and techniques that ensure your exam success.



David Hucaby, CCIE (R) No. 4594, is a lead network engineer for the University of Kentucky, where he works with a large healthcare network based on the Cisco product
lines. David holds bachelor's and master's degrees in electrical engineering from the University of Kentucky. He is the author of several Cisco Press titles, including CCNA Wireless Cert Guide, Cisco ASA, PIX, and FWSM Firewall Handbook, Second Edition, Cisco Firewall Video Mentor, and Cisco LAN Switching Video Mentor.



The official study guide helps you master topics on the CCNP R&S SWITCH 300-115 exam, including the following:





Enterprise campus design
Switch operation
Switch port configuration
VLANs, trunks, and VLAN Trunking Protocol (VTP)
Spanning Tree Protocol (STP), RSTP, and MSTP
Protecting the STP topology
Aggregating switch links
Multilayer switching
Configuring DHCP
Logging switch activity and managing switches with SNMP
Monitoring performance and traffic
High availability
Securing switched networks



The CD-ROM contains more than 200 practice questions for the exam, memory table exercises and answer keys, a study planner tool, and more than 60 minutes of video.



Includes Exclusive Offer for 70% Off Premium Edition eBook and Practice Test



Pearson IT Certification Practice Test minimum system requirements:



Windows Vista (SP2), Windows 7, or Windows 8.1; Microsoft .NET Framework 4.5 Client; Pentium-class 1GHz processor (or equivalent); 512 MB RAM; 650 MB disk space plus 50 MB for each downloaded practice exam; access to the Internet to register and download exam databases
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Product details

  • Mixed media product | 560 pages
  • 195 x 239 x 37mm | 1,162g
  • Cisco Press
  • Indianapolis, United States
  • English
  • 1587205602
  • 9781587205606
  • 125,202

Table of contents

Introduction xxiv



Part I Designing Campus Networks



Chapter 1 Enterprise Campus Network Design 3

"Do I Know This Already?" Quiz 3

Foundation Topics 7

Hierarchical Network Design 7

Predictable Network Model 9

Access Layer 12

Distribution Layer 12

Core Layer 12

Modular Network Design 13

Sizing a Switch Block 16

Switch Block Redundancy 18

Network Core 20

Collapsed Core 23

Core Size in a Campus Network 24

Cisco Products in a Hierarchical Network Design 24

Exam Preparation Tasks 27

Review All Key Topics 27

Complete Tables and Lists from Memory 27

Define Key Terms 27



Chapter 2 Switch Operation 29

"Do I Know This Already?" Quiz 29

Foundation Topics 32

Layer 2 Switch Operation 32

Transparent Bridging 32

Follow That Frame! 35

Multilayer Switch Operation 36

Types of Multilayer Switching 36

Follow That Packet! 37

Multilayer Switching Exceptions 39

Tables Used in Switching 40

Content-Addressable Memory 40

Ternary Content-Addressable Memory 41

TCAM Structure 42

TCAM Example 43

Port Operations in TCAM 44

Managing Switching Tables 45

CAM Table Operation 45

TCAM Operation 48

Managing Switching Table Sizes 49

Exam Preparation Tasks 52

Review All Key Topics 52

Complete Tables and Lists from Memory 52

Define Key Terms 52

Use Command Reference to Check Your Memory 52



Chapter 3 Switch Port Configuration 55

"Do I Know This Already?" Quiz 55

Foundation Topics 59

Ethernet Concepts 59

Ethernet Overview 59

Scaling Ethernet 60

Fast Ethernet 60

Gigabit Ethernet 61

10-Gigabit Ethernet 62

Beyond 10-Gigabit Ethernet 63

Duplex Operation over Ethernet Links 63

Connecting Switches and Devices 65

Ethernet Port Cables and Connectors 65

Switch Port Configuration 66

Selecting Ports to Configure 66

Identifying Ports 68

Port Speed 68

Port Duplex Mode 69

Managing Error Conditions on a Switch Port 69

Detecting Error Conditions 69

Automatically Recover from Error Conditions 70

Enable and Use the Switch Port 71

Troubleshooting Port Connectivity 71

Looking for the Port State 71

Looking for Speed and Duplex Mismatches 72

Discovering Connected Devices 73

Cisco Discovery Protocol 73

Link Layer Discovery Protocol 75

Using Power over Ethernet 77

How PoE Works 78

Detecting a Powered Device 79

Configuring PoE 80

Verifying PoE 81

Exam Preparation Tasks 84

Review All Key Topics 84

Complete Tables and Lists from Memory 84

Define Key Terms 84

Use Command Reference to Check Your Memory 85





Part II Building a Campus Network



Chapter 4 VLANs and Trunks 89

"Do I Know This Already?" Quiz 89

Foundation Topics 95

Virtual LANs 95

VLAN Membership 96

Static VLANs 96

Configuring Static VLANs 97

Dynamic VLANs 99

Deploying VLANs 99

End-to-End VLANs 100

Local VLANs 101

VLAN Trunks 101

VLAN Frame Identification 103

Inter-Switch Link Protocol 103

IEEE 802.1Q Protocol 104

Dynamic Trunking Protocol 105

VLAN Trunk Configuration 106

Configuring a VLAN Trunk 106

Trunk Configuration Example 108

Troubleshooting VLANs and Trunks 110

Voice VLANs 112

Voice VLAN Configuration 113

Verifying Voice VLAN Operation 115

Wireless VLANs 117

Exam Preparation Tasks 119

Review All Key Topics 119

Complete Tables and Lists from Memory 119

Define Key Terms 119

Use Command Reference to Check Your Memory 119



Chapter 5 VLAN Trunking Protocol 123

"Do I Know This Already?" Quiz 123

Foundation Topics 127

VLAN Trunking Protocol 127

VTP Domains 127

VTP Modes 127

VTP Advertisements 128

VTP Synchronization 131

VTP Configuration 132

Configuring the VTP Version 133

Configuring a VTP Management Domain 134

Configuring the VTP Mode 135

VTP Configuration Example 136

VTP Status 137

VTP Pruning 138

Enabling VTP Pruning 140

Troubleshooting VTP 141

Exam Preparation Tasks 143

Review All Key Topics 143

Complete Tables and Lists from Memory 143

Define Key Terms 143

Use Command Reference to Check Your Memory 143





Part III Working with Redundant Links



Chapter 6 Traditional Spanning Tree Protocol 147

"Do I Know This Already?" Quiz 147

Foundation Topics 151

IEEE 802.1D Overview 151

Bridging Loops 151

Preventing Loops with Spanning Tree Protocol 154

Spanning-Tree Communication: Bridge Protocol Data Units 155

Electing a Root Bridge 156

Electing Root Ports 158

Electing Designated Ports 160

STP States 162

STP Timers 165

Topology Changes 167

Direct Topology Changes 168

Indirect Topology Changes 169

Insignificant Topology Changes 171

Types of STP 172

Common Spanning Tree 173

Per-VLAN Spanning Tree 173

Per-VLAN Spanning Tree Plus 173

Exam Preparation Tasks 175

Review All Key Topics 175

Complete Tables and Lists from Memory 175

Define Key Terms 175



Chapter 7 Spanning-Tree Configuration 177

"Do I Know This Already?" Quiz 177

Foundation Topics 181

STP Root Bridge 181

Root Bridge Placement 181

Root Bridge Configuration 184

Tuning the Root Path Cost 188

Tuning the Port ID 190

Tuning Spanning-Tree Convergence 191

Modifying STP Timers 191

Manually Configuring STP Timers 192

Automatically Configuring STP Timers 192

Redundant Link Convergence 194

PortFast: Access Layer Nodes 194

UplinkFast: Access Layer Uplinks 196

BackboneFast: Redundant Backbone Paths 197

Monitoring STP 199

Exam Preparation Tasks 200

Review All Key Topics 200

Complete Tables and Lists from Memory 200

Define Key Terms 200

Use Command Reference to Check Your Memory 200



Chapter 8 Protecting the Spanning Tree Protocol Topology 203

"Do I Know This Already?" Quiz 203

Foundation Topics 207

Protecting Against Unexpected BPDUs 207

Root Guard 207

BPDU Guard 208

Protecting Against Sudden Loss of BPDUs 210

Loop Guard 210

UDLD 211

Using BPDU Filtering to Disable STP on a Port 213

Troubleshooting STP Protection 214

Exam Preparation Tasks 215

Review All Key Topics 215

Complete Tables and Lists from Memory 215

Define Key Terms 215

Use Command Reference to Check Your Memory 215



Chapter 9 Advanced Spanning Tree Protocol 219

"Do I Know This Already?" Quiz 219

Foundation Topics 223

Rapid Spanning Tree Protocol 223

RSTP Port Behavior 223

BPDUs in RSTP 224

RSTP Convergence 225

Port Types 226

Synchronization 227

Topology Changes and RSTP 229

RSTP Configuration 229

Rapid Per-VLAN Spanning Tree Protocol 230

Multiple Spanning Tree Protocol 231

MST Overview 233

MST Regions 233

Spanning-Tree Instances Within MST 234

IST Instances 234

MST Instances 235

MST Configuration 236

Exam Preparation Tasks 238

Review All Key Topics 238

Complete Tables and Lists from Memory 238

Define Key Terms 239

Use Command Reference to Check Your Memory 239



Chapter 10 Aggregating Switch Links 241

"Do I Know This Already?" Quiz 241

Foundation Topics 245

Switch Port Aggregation with EtherChannel 245

Bundling Ports with EtherChannel 247

Distributing Traffic in EtherChannel 247

Configuring EtherChannel Load Balancing 249

EtherChannel Negotiation Protocols 251

Port Aggregation Protocol 252

Link Aggregation Control Protocol 252

EtherChannel Configuration 253

Configuring a PAgP EtherChannel 253

Configuring a LACP EtherChannel 254

Avoiding Misconfiguration with EtherChannel Guard 255

Troubleshooting an EtherChannel 257

Exam Preparation Tasks 261

Review All Key Topics 261

Complete Tables and Lists from Memory 261

Define Key Terms 261

Command Reference to Check Your Memory 261



Part IV Multilayer Switching



Chapter 11 Multilayer Switching 265

"Do I Know This Already?" Quiz 265

Foundation Topics 268

Inter-VLAN Routing 268

Types of Interfaces 268

Configuring Inter-VLAN Routing 269

Layer 2 Port Configuration 270

Layer 3 Port Configuration 270

SVI Port Configuration 271

Multilayer Switching with CEF 272

Traditional MLS Overview 272

CEF Overview 272

Forwarding Information Base 273

Adjacency Table 276

Packet Rewrite 279

Configuring CEF 280

Verifying Multilayer Switching 280

Verifying Inter-VLAN Routing 280

Verifying CEF 283

Exam Preparation Tasks 285

Review All Key Topics 285

Complete Tables and Lists from Memory 285

Define Key Terms 285

Use Command Reference to Check Your Memory 285



Chapter 12 Configuring DHCP 289

"Do I Know This Already?" Quiz 289

Foundation Topics 292

Using DHCP with a Multilayer Switch 292

Configuring an IPv4 DHCP Server 293

Configuring a Manual Address Binding 294

Configuring DHCP Options 296

Configuring a DHCP Relay 296

Configuring DHCP to Support IPv6 297

Stateless Autoconfiguration 298

DHCPv6 298

DHCPv6 Lite 299

Configuring a DHCPv6 Relay Agent 300

Verifying IPv6 DHCP Operation 300

Exam Preparation Tasks 301

Review All Key Topics 301

Complete Tables and Lists from Memory 301

Define Key Terms 301

Use Command Reference to Check Your Memory 301



Part V Monitoring Campus Networks



Chapter 13 Logging Switch Activity 305

"Do I Know This Already?" Quiz 305

Foundation Topics 308

Syslog Messages 308

Logging to the Switch Console 310

Logging to the Internal Buffer 310

Logging to a Remote Syslog Server 311

Adding Time Stamps to Syslog Messages 312

Setting the Internal System Clock 312

Using NTP to Synchronize with an External Time Source 313

Securing NTP 316

Using SNTP to Synchronize Time 316

Adding Time Stamps to Logging Messages 317

Exam Preparation Tasks 318

Review All Key Topics 318

Complete Tables and Lists from Memory 318

Define Key Terms 318

Use Command Reference to Check Your Memory 318



Chapter 14 Managing Switches with SNMP 321

"Do I Know This Already?" Quiz 321

Foundation Topics 324

SNMP Overview 324

Configuring SNMP 326

Configuring SNMPv1 327

Configuring SNMPv2C 327

Configuring SNMPv3 328

Exam Preparation Tasks 330

Review All Key Topics 330

Complete Tables and Lists from Memory 330

Define Key Terms 330

Use Command Reference to Check Your Memory 330



Chapter 15 Monitoring Performance with IP SLA 333

"Do I Know This Already?" Quiz 333

Foundation Topics 336

IP SLA Overview 336

Configuring IP SLA 338

Using IP SLA 341

Exam Preparation Tasks 345

Review All Key Topics 345

Complete Tables and Lists from Memory 345

Define Key Terms 345

Use Command Reference to Check Your Memory 345



Chapter 16 Using Port Mirroring to Monitor Traffic 349

"Do I Know This Already?" Quiz 349

Foundation Topics 352

Using Local SPAN 352

Local SPAN Configuration 354

Remote SPAN 356

Remote SPAN Configuration 357

Managing SPAN Sessions 359

Exam Preparation Tasks 361

Review All Key Topics 361

Complete Tables and Lists from Memory 361

Define Key Terms 361

Use Command Reference to Check Your Memory 361



Part VI Implementing High Availability



Chapter 17 Understanding High Availability 365

"Do I Know This Already?" Quiz 365

Foundation Topics 368

Leveraging Logical Switches 368

StackWise 371

Virtual Switching System 372

Supervisor and Route Processor Redundancy 373

Redundant Switch Supervisors 373

Configuring the Redundancy Mode 374

Configuring Supervisor Synchronization 376

Nonstop Forwarding 377

Exam Preparation Tasks 378

Review All Key Topics 378

Complete Tables and Lists from Memory 378

Define Key Terms 378

Use Command Reference to Check Your Memory 378



Chapter 18 Layer 3 High Availability 381

"Do I Know This Already?" Quiz 381

Foundation Topics 384

Packet-Forwarding Review 384

Hot Standby Router Protocol 385

HSRP Router Election 386

Plain-Text HSRP Authentication 388

MD5 Authentication 388

Conceding the Election 389

HSRP Gateway Addressing 390

Load Balancing with HSRP 391

Virtual Router Redundancy Protocol 394

Gateway Load Balancing Protocol 397

Active Virtual Gateway 397

Active Virtual Forwarder 398

GLBP Load Balancing 400

Enabling GLBP 400

Verifying Gateway Redundancy 405

Exam Preparation Tasks 406

Review All Key Topics 406

Complete Tables and Lists from Memory 406

Define Key Terms 406

Use Command Reference to Check Your Memory 406



Part VII Securing Switched Networks



Chapter 19 Securing Switch Access 411

"Do I Know This Already?" Quiz 411

Foundation Topics 415

Port Security 415

Port-Based Authentication 418

802.1X Configuration 419

802.1X Port-Based Authentication Example 420

Using Storm Control 421

Best Practices for Securing Switches 423

Exam Preparation Tasks 428

Review All Key Topics 428

Complete Tables and Lists from Memory 428

Define Key Terms 428

Use Command Reference to Check Your Memory 428



Chapter 20 Securing VLANs 431

"Do I Know This Already?" Quiz 431

Foundation Topics 435

VLAN Access Lists 435

VACL Configuration 435

Private VLANs 436

Private VLAN Configuration 438

Configure the Private VLANs 438

Associate Ports with Private VLANs 439

Associate Secondary VLANs to a Primary VLAN SVI 440

Securing VLAN Trunks 441

Switch Spoofing 441

VLAN Hopping 443

Exam Preparation Tasks 446

Review All Key Topics 446

Complete Tables and Lists from Memory 446

Define Key Terms 446

Use Command Reference to Check Your Memory 446



Chapter 21 Preventing Spoofing Attacks 449

"Do I Know This Already?" Quiz 449

Foundation Topics 451

DHCP Snooping 451

IP Source Guard 453

Dynamic ARP Inspection 455

Exam Preparation Tasks 458

Review All Key Topics 458

Complete Tables and Lists from Memory 458

Define Key Terms 458

Use Command Reference to Check Your Memory 458



Chapter 22 Managing Switch Users 461

"Do I Know This Already?" Quiz 461

Foundation Topics 464

Configuring Authentication 465

Configuring Authorization 468

Configuring Accounting 469

Exam Preparation Tasks 471

Review All Key Topics 471

Complete Tables and Lists from Memory 471

Define Key Terms 471

Use Command Reference to Check Your Memory 471



Part VIII Final Preparation



Chapter 23 Final Preparation 475

Tools for Final Preparation 475

Exam Engine and Questions on the CD 475

Install the Exam Engine 476

Activate and Download the Practice Exam 476

Activating Other Exams 477

Premium Edition 477

The Cisco Learning Network 477

Memory Tables 477

Chapter-Ending Review Tools 478

Study Plan 478

Recall the Facts 478

Practice

Configurations 478

Using the Exam Engine 479



Part IX Appendixes



Appendix A Answers to the "Do I Know This Already?" Quizzes 481





Appendix B Exam Updates 489

Always Get the Latest at the Companion Website 489

Technical Content 490



Glossary 493



Index 504



CD-Only Appendixes



Appendix C Memory Tables



Appendix D Memory Table Answer Key



Appendix E Study Planner
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About David Hucaby

David Hucaby, CCIE No. 4594, is a lead network engineer for the University of Kentucky, where he works with a large healthcare network based on the Cisco product lines. David holds bachelor's and master's degrees in electrical engineering from the University of Kentucky. He is the author of several Cisco Press titles, including CCNA Wireless Cert Guide, Cisco ASA, PIX, and FWSM Firewall Handbook, Second Edition; Cisco Firewall Video Mentor; and Cisco LAN Switching Video Mentor. David lives in Kentucky with his wife, Marci, and two daughters.
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