Cover image for CCNP SWITCH 642-813 official certification guide
CCNP SWITCH 642-813 official certification guide
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Indianapolis, Ind. : CISCO Press, c2010
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1 CD-ROM ; 12 cm.
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Accompanies text of the same title : TK5103.8 H837 2010


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3000001026692 CP 025633 Computer File Accompanies Open Access Book Compact Disk (Open Shelves)

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CCNP SWITCH 642-813Official Certification Guide David Hucaby, CCIE(R) No. 4594 CCNP SWITCH Exam Preparation Master the CCNP(R) SWITCH 642-813 exam with this official study guide Assess your knowledge with chapter-opening quizzes Review key concepts with Exam Preparation Tasks Practice with realistic exam questions on the CD-ROM "CCNP SWITCH 642-813 Official Certification Guide" is a best-of-breed Cisco(R) exam study guide that focuses specifically on the objectives for the CCNP(R) SWITCH exam. Network architect and best-selling author Dave Hucaby shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics. "CCNP SWITCH 642-813 Official Certification Guide" presents you with an organized test preparation routine through the use of proven series elements and techniques. "Do I Know This Already?" quizzes open each chapter and allow you to decide how much time you need to spend on each section. The complete exam topic list makes referencing easy. Chapter-ending Exam Preparation Tasks sections help drill you on key concepts and commands you must know thoroughly. 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 topic-by-topic basis, laying out a complete study plan for review. Well regarded for its level of detail, assessment features, and challenging review questions and exercises, this official study guide helps you master the concepts and techniques that will enable you to succeed on the exam the first time. "CCNP SWITCH 642-813 Official Certification 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 This official study guide helps you master all the topics on the CCNP SWITCH exam, including Network design, implementation, and verification plans Switch operation and port configuration VLANs, trunks, and VLAN Trunking Protocol (VTP) Aggregating switch links Spanning Tree Protocol (STP) Multilayer switching Enterprise campus network design Router and supervisor redundancy IP telephony Wireless LANs Switched network security "This volume is part of the Official 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 Press--Cisco CertificationCovers: CCNP SWITCH exam 642-813

Author Notes

David Hucaby , CCIE No. 4594, is a lead network engineer for the University of Kentucky, where he works with healthcare networks based on the Cisco Catalyst, ASA, FWSM, and VPN product lines. David has a Bachelor of Science degree and Master of Science degree in electrical engineering from the University of Kentucky. He is the author of several Cisco Press titles, including 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.

Table of Contents

Part I New CCNP Exam Approaches
Chapter 1 The Planning Tasks of the CCNP Exams
Perspectives on CCNP Exam Topics Related to Planningp. 5
CCNP Switch Exam Topics That Do Not Require the CLIp. 6
Planning Exam Topicsp. 7
Relating the Exam Topics to a Typical Network Engineer's Jobp. 8
A Fictitious Company and Networking Staffp. 9
The Design Stepp. 10
Implementation Planning Stepp. 10
Verification Planning Stepp. 11
Documenting Implementation Resultsp. 12
Summary of the Role of Network Engineersp. 12
How to Prepare for the Planning Topics on the CCNP Examsp. 13
Part II Building a Campus Network
Chapter 2 Switch Operation
"Do I Know This Already?" Quizp. 17
Foundation Topicsp. 20
Layer 2 Switch Operationp. 20
Transparent Bridgingp. 20
Follow That Frame!p. 22
Multilayer Switch Operationp. 24
Types of Multilayer Switchingp. 24
Follow That Packet!p. 25
Multilayer Switching Exceptionsp. 26
Tables Used in Switchingp. 27
Content-Addressable Memoryp. 27
Ternary Content-Addressable Memoryp. 28
Monitoring Switching Tablesp. 32
CAM Table Operationp. 32
TCAM Operationp. 35
Exam Preparation Tasksp. 36
Review All Key Topicsp. 36
Define Key Termsp. 36
Use Command Reference to Check Your Memoryp. 36
Chapter 3 Switch Port Configuration
"Do I Know This Already?" Quizp. 39
Foundation Topicsp. 42
Ethernet Conceptsp. 42
Ethernet (10 Mbps)p. 42
Fast Ethernetp. 43
Gigabit Ethernetp. 45
10-Gigabit Ethernetp. 47
Connecting Switches and Devicesp. 48
Ethernet Port Cables and Connectorsp. 48
Gigabit Ethernet Port Cables and Connectorsp. 49
Switch Port Configurationp. 50
Selecting Ports to Configurep. 50
Identifying Portsp. 52
Port Speedp. 52
Port Duplex Modep. 52
Managing Error Conditions on a Switch Portp. 53
Enable and Use the Switch Portp. 55
Troubleshooting Port Connectivityp. 55
Exam Preparation Tasksp. 57
Review All Key Topicsp. 57
Define Key Termsp. 57
Use Command Reference to Check Your Memoryp. 57
Chapter 4 VLANs and Trunks
"Do I Know This Already?" Quizp. 61
Foundation Topicsp. 65
Virtual LANsp. 65
VLAN Membershipp. 65
Deploying VLANsp. 69
VLAN Trunksp. 70
VLAN Frame Identificationp. 71
Dynamic Trunking Protocolp. 74
VLAN Trunk Configurationp. 75
VLAN Trunk Configurationp. 75
Troubleshooting VLANs and Trunksp. 79
Exam Preparation Tasksp. 82
Review All Key Topicsp. 82
Define Key Termsp. 82
Use Command Reference to Check Your Memoryp. 82
Chapter 5 VLAN Trunking Protocol
"Do I Know This Already?" Quizp. 85
Foundation Topicsp. 88
VLAN Trunking Protocolp. 88
VTP Domainsp. 88
VTP Modesp. 88
VTP Advertisementsp. 89
VTP Configurationp. 92
Configuring a VTP Management Domainp. 93
Configuring the VTP Modep. 93
Configuring the VTP Versionp. 95
VTP Configuration Examplep. 96
VTP Statusp. 96
VTP Pruningp. 97
Enabling VTP Pruningp. 99
Troubleshooting VTPp. 100
Exam Preparation taskp. 102
Review All Key Topicsp. 102
Complete Tables and Lists from Memoryp. 102
Define Key Termsp. 102
Use Command Reference to Check Your Memoryp. 102
Chapter 6 Aggregating Switch Links
"Do I Know This Already?" Quizp. 105
Foundation Topicsp. 108
Switch Port Aggregation with EtherChannelp. 108
Bundling Ports with EtherChannelp. 109
Distributing Traffic in EtherChannelp. 109
Configuring EtherChannel Load Balancingp. 111
EtherChannel Negotiation Protocolsp. 112
Port Aggregation Protocolp. 113
Link Aggregation Control Protocolp. 113
EtherChannel Configurationp. 114
Configuring a PAgP EtherChannelp. 114
Configuring a LACP EtherChannelp. 115
Troubleshooting an EtherChannelp. 116
Exam Preparation Tasksp. 120
Review All Key Topicsp. 120
Complete Tables and Lists from Memoryp. 120
Define Key Termsp. 120
Command Reference to Check Your Memoryp. 120
Chapter 7 Traditional Spanning Tree Protocol
"Do I Know This Already?" Quizp. 123
Foundation Topicsp. 126
IEEE 802.1D Overviewp. 126
Bridging Loopsp. 126
Preventing Loops with Spanning Tree Protocolp. 129
Spanning-Tree Communication: Bridge Protocol Data Unitsp. 130
Electing a Root Bridgep. 131
Electing Root Portsp. 133
Electing Designated Portsp. 135
STP Statesp. 137
STP Timersp. 139
Topology Changesp. 141
Types of STPp. 146
Common Spanning Treep. 147
Per-VLAN Spanning Treep. 147
Per-VLAN Spanning Tree Plusp. 147
Exam Preparation Tasksp. 149
Review All Key Topicsp. 149
Complete Tables and Lists from Memoryp. 149
Define Key Termsp. 149
Chapter 8 Spanning-Tree Configuration
"Do I Know This Already?" Quizp. 151
Foundation Topicsp. 154
STP Root Bridgep. 154
Root Bridge Placementp. 154
Root Bridge Configurationp. 157
Spanning-Tree Customizationp. 161
Tuning the Root Path Costp. 161
Tuning the Port IDp. 163
Tuning Spanning-Tree Convergencep. 164
Modifying STP Timersp. 164
Redundant Link Convergencep. 167
PortFast: Access-Layer Nodesp. 167
UplinkFast: Access-Layer Uplinksp. 168
BackboneFast: Redundant Backbone Pathsp. 170
Monitoring STPp. 171
Exam Preparation Tasksp. 173
Review All Key Topicsp. 173
Complete Tables and Lists from Memoryp. 173
Define Key Termsp. 173
Use Command Reference to Check Your Memoryp. 173
Chapter 9 Protecting the Spanning Tree Protocol Topology
"Do I Know This Already?" Quizp. 177
Foundation Topicsp. 180
Protecting Against Unexpected BPDUsp. 180
Root Guardp. 180
BPDU Guardp. 181
Protecting Against Sudden Loss of BPDUsp. 182
Loop Guardp. 183
UDLDp. 184
Using BPDU Filtering to Disable STP on a Portp. 186
Troubleshooting STP Protectionp. 187
Exam Preparation Taskp. 188
Review All Key Topicsp. 188
Complete Tables and Lists from Memoryp. 188
Define Key Termsp. 188
Use Command Reference to Check Your Memoryp. 188
Chapter 10 Advanced Spanning Tree Protocol
"Do I Know This Already?" Quizp. 193
Foundation Topicsp. 196
Rapid Spanning Tree Protocolp. 196
RSTP Port Behaviorp. 196
BPDUs in RSTPp. 197
RSTP Convergencep. 198
Topology Changes and RSTPp. 201
RSTP Configurationp. 202
Rapid Per-VLAN Spanning Tree Protocolp. 203
Multiple Spanning Tree Protocolp. 204
MST Overviewp. 206
MST Regionsp. 206
Spanning-Tree Instances Within MSTp. 207
MST Configurationp. 209
Exam Preparation Tasksp. 211
Review All Key Topicsp. 211
Complete Tables and Lists from Memoryp. 211
Define Key Termsp. 212
Use Command Reference to Check Your Memoryp. 212
Chapter 11 Multilayer Switching
"Do I Know This Already?" Quizp. 215
Foundation Topicsp. 218
InterVLAN Routingp. 218
Types of Interfacesp. 218
Configuring InterVLAN Routingp. 219
Multilayer Switching with CEFp. 221
Traditional MLS Overviewp. 221
CEF Overviewp. 222
Forwarding Information Basep. 222
Adjacency Tablep. 226
Packet Rewritep. 229
Configuring CEFp. 229
Verifying Multilayer Switchingp. 230
Verifying InterVLAN Routingp. 230
Verifying CEFp. 232
Using DHCP with a Multilayer Switchp. 233
Configuring an IOS DHCP Serverp. 235
Configuring a DHCP Relayp. 235
Exam Preparation Tasksp. 237
Review All Key Topicsp. 237
Complete Tables and Lists from Memoryp. 237
Define Key Termsp. 237
Use Command Reference to Check Your Memoryp. 237
Part III Designing Campus Networks
Chapter 12 Enterprise Campus Network Design
"Do I Know This Already?" Quizp. 243
Foundation Topicsp. 247
Hierarchical Network Designp. 247
Predictable Network Modelp. 249
Access Layerp. 251
Distribution Layerp. 251
Core Layerp. 251
Modular Network Designp. 252
Switch Blockp. 254
Core Blockp. 259
Exam Preparation Tasksp. 263
Review All Key Topicsp. 263
Complete Tables and Lists from Memoryp. 263
Define Key Termsp. 263
Chapter 13 Layer 3 High Availability
"Do I Know This Already?" Quizp. 265
Foundation Topicsp. 268
Router Redundancy in Multilayer Switchingp. 268
Packet-Forwarding Reviewp. 268
Hot Standby Router Protocolp. 269
Virtual Router Redundancy Protocolp. 277
Gateway Load Balancing Protocolp. 280
Verifying Gateway Redundancyp. 289
Supervisor and Route Processor Redundancyp. 289
Redundant Switch Supervisorsp. 289
Configuring the Redundancy Modep. 290
Configuring Supervisor Synchronizationp. 293
Nonstop Forwardingp. 293
Exam Preparation Tasksp. 295
Review All Key Topicsp. 295
Define Key Termsp. 295
Use Command Reference to Check Your Memoryp. 295
Part IV Campus Network Services
Chapter 14 IP Telephony
"Do I Know This Already?" Quizp. 301
Foundation Topicsp. 304
Power over Ethernetp. 304
How PoE Worksp. 304
Detecting a Powered Devicep. 304
Supplying Power to a Devicep. 305
Configuring PoEp. 307
Verifying PoEp. 307
Voice VLANsp. 308
Voice VLAN Configurationp. 308
Verifying Voice VLAN Operationp. 311
Voice QoSp. 312
QoS Overviewp. 313
Best-Effort Deliveryp. 314
Integrated Services Modelp. 314
Differentiated Services Modelp. 314
DiffServ QoSp. 315
Implementing QoS for Voicep. 318
Configuring a Trust Boundaryp. 319
Using Auto-QoS to Simplify a Configurationp. 321
Verifying Voice QoSp. 324
Exam Preparation Tasksp. 327
Review All Key Topicsp. 327
Complete Tables and Lists from Memoryp. 327
Define Key Termsp. 327
Use Command Reference to Check Your Memoryp. 328
Chapter 15 Integrating Wireless LANs
"Do I Know This Already?" Quizp. 331
Foundation Topicsp. 335
Wireless LAN Basicsp. 335
Comparing Wireless and Wired LANsp. 335
Avoiding Collisions in a WLANp. 336
WLAN Building Blocksp. 338
Access Point Operationp. 340
Wireless LAN Cellsp. 341
WLAN Architecturep. 344
Traditional WLAN Architecturep. 344
Cisco Unified Wireless Network Architecturep. 346
WLC Functionsp. 349
Lightweight AP Operationp. 350
Traffic Patterns in a Cisco Unified Wireless Networkp. 352
Roaming in a Cisco Unified Wireless Networkp. 354
Intracontroller Roamingp. 355
Intercontroller Roamingp. 356
Mobility Groupsp. 361
Configuring Switch Ports for WLAN Usep. 361
Configuring Support for Autonomous APsp. 361
Configuring Support for LAPsp. 362
Configuring Support for WLCsp. 363
Exam Preparation Tasksp. 365
Review All Key Topicsp. 365
Define Key Termsp. 365
Part V Securing Switched Networks
Chapter 16 Securing Switch Access
"Do I Know This Already?" Quizp. 369
Foundation Topicsp. 373
Port Securityp. 373
Port-Based Authenticationp. 376
802.1 x Configurationp. 376
802.1 x Port-Based Authentication Examplep. 378
Mitigating Spoofing Attacksp. 378
DHCP Snoopingp. 379
IP Source Guardp. 381
Dynamic ARP Inspectionp. 383
Best Practices for Securing Switchesp. 385
Exam Preparation Tasksp. 389
Review All Key Topicsp. 389
Complete Tables and Lists from Memoryp. 389
Define Key Termsp. 389
Use Command Reference to Check Your Memoryp. 390
Chapter 17 Securing with VLANs
"Do I Know This Already?" Quizp. 393
Foundation Topicsp. 396
VLAN Access Listsp. 396
VACL Configurationp. 396
Private VLANsp. 397
Private VLAN Configurationp. 399
Configure the Private VLANsp. 399
Associate Ports with Private VLANsp. 400
Associate Secondary VLANs to a Primary VLAN SVIp. 401
Securing VLAN Trunksp. 402
Switch Spoofingp. 402
VLAN Hoppingp. 404
Exam Preparation Tasksp. 407
Review All Key Topicsp. 407
Complete Tables and Lists from Memoryp. 407
Define Key Termsp. 407
Use Command Reference to Check Your Memoryp. 408
Part VI Final Exam Preparation
Chapter 18 Final Preparation
Exam Engine on the CDp. 413
Install the Exam Engine Software from the CDp. 413
Download and Activate the Practice Exam Contentp. 414
Activating Other Examsp. 414
Study Planp. 415
Recall the Factsp. 415
Practice Configurationsp. 415
Use the Exam Enginep. 416
The Cisco Learning Networkp. 416
Part VII Appendixes
Appendix A Answers to the "Do I Know This Already?" Quizzesp. 421
Glossaryp. 431
On This Book's Website
Appendix B SWITCH Exam Updates: Version 1.0
On This Book's CD
Appendix C Memory Tables
Appendix D Memory Tables Answer Key