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Summary
Summary
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 www.cisco.com/go/authorizedtraining. 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
Foreword | |
Introduction | |
Part I New CCNP Exam Approaches | |
Chapter 1 The Planning Tasks of the CCNP Exams | |
Perspectives on CCNP Exam Topics Related to Planning | p. 5 |
CCNP Switch Exam Topics That Do Not Require the CLI | p. 6 |
Planning Exam Topics | p. 7 |
Relating the Exam Topics to a Typical Network Engineer's Job | p. 8 |
A Fictitious Company and Networking Staff | p. 9 |
The Design Step | p. 10 |
Implementation Planning Step | p. 10 |
Verification Planning Step | p. 11 |
Documenting Implementation Results | p. 12 |
Summary of the Role of Network Engineers | p. 12 |
How to Prepare for the Planning Topics on the CCNP Exams | p. 13 |
Part II Building a Campus Network | |
Chapter 2 Switch Operation | |
"Do I Know This Already?" Quiz | p. 17 |
Foundation Topics | p. 20 |
Layer 2 Switch Operation | p. 20 |
Transparent Bridging | p. 20 |
Follow That Frame! | p. 22 |
Multilayer Switch Operation | p. 24 |
Types of Multilayer Switching | p. 24 |
Follow That Packet! | p. 25 |
Multilayer Switching Exceptions | p. 26 |
Tables Used in Switching | p. 27 |
Content-Addressable Memory | p. 27 |
Ternary Content-Addressable Memory | p. 28 |
Monitoring Switching Tables | p. 32 |
CAM Table Operation | p. 32 |
TCAM Operation | p. 35 |
Exam Preparation Tasks | p. 36 |
Review All Key Topics | p. 36 |
Define Key Terms | p. 36 |
Use Command Reference to Check Your Memory | p. 36 |
Chapter 3 Switch Port Configuration | |
"Do I Know This Already?" Quiz | p. 39 |
Foundation Topics | p. 42 |
Ethernet Concepts | p. 42 |
Ethernet (10 Mbps) | p. 42 |
Fast Ethernet | p. 43 |
Gigabit Ethernet | p. 45 |
10-Gigabit Ethernet | p. 47 |
Connecting Switches and Devices | p. 48 |
Ethernet Port Cables and Connectors | p. 48 |
Gigabit Ethernet Port Cables and Connectors | p. 49 |
Switch Port Configuration | p. 50 |
Selecting Ports to Configure | p. 50 |
Identifying Ports | p. 52 |
Port Speed | p. 52 |
Port Duplex Mode | p. 52 |
Managing Error Conditions on a Switch Port | p. 53 |
Enable and Use the Switch Port | p. 55 |
Troubleshooting Port Connectivity | p. 55 |
Exam Preparation Tasks | p. 57 |
Review All Key Topics | p. 57 |
Define Key Terms | p. 57 |
Use Command Reference to Check Your Memory | p. 57 |
Chapter 4 VLANs and Trunks | |
"Do I Know This Already?" Quiz | p. 61 |
Foundation Topics | p. 65 |
Virtual LANs | p. 65 |
VLAN Membership | p. 65 |
Deploying VLANs | p. 69 |
VLAN Trunks | p. 70 |
VLAN Frame Identification | p. 71 |
Dynamic Trunking Protocol | p. 74 |
VLAN Trunk Configuration | p. 75 |
VLAN Trunk Configuration | p. 75 |
Troubleshooting VLANs and Trunks | p. 79 |
Exam Preparation Tasks | p. 82 |
Review All Key Topics | p. 82 |
Define Key Terms | p. 82 |
Use Command Reference to Check Your Memory | p. 82 |
Chapter 5 VLAN Trunking Protocol | |
"Do I Know This Already?" Quiz | p. 85 |
Foundation Topics | p. 88 |
VLAN Trunking Protocol | p. 88 |
VTP Domains | p. 88 |
VTP Modes | p. 88 |
VTP Advertisements | p. 89 |
VTP Configuration | p. 92 |
Configuring a VTP Management Domain | p. 93 |
Configuring the VTP Mode | p. 93 |
Configuring the VTP Version | p. 95 |
VTP Configuration Example | p. 96 |
VTP Status | p. 96 |
VTP Pruning | p. 97 |
Enabling VTP Pruning | p. 99 |
Troubleshooting VTP | p. 100 |
Exam Preparation task | p. 102 |
Review All Key Topics | p. 102 |
Complete Tables and Lists from Memory | p. 102 |
Define Key Terms | p. 102 |
Use Command Reference to Check Your Memory | p. 102 |
Chapter 6 Aggregating Switch Links | |
"Do I Know This Already?" Quiz | p. 105 |
Foundation Topics | p. 108 |
Switch Port Aggregation with EtherChannel | p. 108 |
Bundling Ports with EtherChannel | p. 109 |
Distributing Traffic in EtherChannel | p. 109 |
Configuring EtherChannel Load Balancing | p. 111 |
EtherChannel Negotiation Protocols | p. 112 |
Port Aggregation Protocol | p. 113 |
Link Aggregation Control Protocol | p. 113 |
EtherChannel Configuration | p. 114 |
Configuring a PAgP EtherChannel | p. 114 |
Configuring a LACP EtherChannel | p. 115 |
Troubleshooting an EtherChannel | p. 116 |
Exam Preparation Tasks | p. 120 |
Review All Key Topics | p. 120 |
Complete Tables and Lists from Memory | p. 120 |
Define Key Terms | p. 120 |
Command Reference to Check Your Memory | p. 120 |
Chapter 7 Traditional Spanning Tree Protocol | |
"Do I Know This Already?" Quiz | p. 123 |
Foundation Topics | p. 126 |
IEEE 802.1D Overview | p. 126 |
Bridging Loops | p. 126 |
Preventing Loops with Spanning Tree Protocol | p. 129 |
Spanning-Tree Communication: Bridge Protocol Data Units | p. 130 |
Electing a Root Bridge | p. 131 |
Electing Root Ports | p. 133 |
Electing Designated Ports | p. 135 |
STP States | p. 137 |
STP Timers | p. 139 |
Topology Changes | p. 141 |
Types of STP | p. 146 |
Common Spanning Tree | p. 147 |
Per-VLAN Spanning Tree | p. 147 |
Per-VLAN Spanning Tree Plus | p. 147 |
Exam Preparation Tasks | p. 149 |
Review All Key Topics | p. 149 |
Complete Tables and Lists from Memory | p. 149 |
Define Key Terms | p. 149 |
Chapter 8 Spanning-Tree Configuration | |
"Do I Know This Already?" Quiz | p. 151 |
Foundation Topics | p. 154 |
STP Root Bridge | p. 154 |
Root Bridge Placement | p. 154 |
Root Bridge Configuration | p. 157 |
Spanning-Tree Customization | p. 161 |
Tuning the Root Path Cost | p. 161 |
Tuning the Port ID | p. 163 |
Tuning Spanning-Tree Convergence | p. 164 |
Modifying STP Timers | p. 164 |
Redundant Link Convergence | p. 167 |
PortFast: Access-Layer Nodes | p. 167 |
UplinkFast: Access-Layer Uplinks | p. 168 |
BackboneFast: Redundant Backbone Paths | p. 170 |
Monitoring STP | p. 171 |
Exam Preparation Tasks | p. 173 |
Review All Key Topics | p. 173 |
Complete Tables and Lists from Memory | p. 173 |
Define Key Terms | p. 173 |
Use Command Reference to Check Your Memory | p. 173 |
Chapter 9 Protecting the Spanning Tree Protocol Topology | |
"Do I Know This Already?" Quiz | p. 177 |
Foundation Topics | p. 180 |
Protecting Against Unexpected BPDUs | p. 180 |
Root Guard | p. 180 |
BPDU Guard | p. 181 |
Protecting Against Sudden Loss of BPDUs | p. 182 |
Loop Guard | p. 183 |
UDLD | p. 184 |
Using BPDU Filtering to Disable STP on a Port | p. 186 |
Troubleshooting STP Protection | p. 187 |
Exam Preparation Task | p. 188 |
Review All Key Topics | p. 188 |
Complete Tables and Lists from Memory | p. 188 |
Define Key Terms | p. 188 |
Use Command Reference to Check Your Memory | p. 188 |
Chapter 10 Advanced Spanning Tree Protocol | |
"Do I Know This Already?" Quiz | p. 193 |
Foundation Topics | p. 196 |
Rapid Spanning Tree Protocol | p. 196 |
RSTP Port Behavior | p. 196 |
BPDUs in RSTP | p. 197 |
RSTP Convergence | p. 198 |
Topology Changes and RSTP | p. 201 |
RSTP Configuration | p. 202 |
Rapid Per-VLAN Spanning Tree Protocol | p. 203 |
Multiple Spanning Tree Protocol | p. 204 |
MST Overview | p. 206 |
MST Regions | p. 206 |
Spanning-Tree Instances Within MST | p. 207 |
MST Configuration | p. 209 |
Exam Preparation Tasks | p. 211 |
Review All Key Topics | p. 211 |
Complete Tables and Lists from Memory | p. 211 |
Define Key Terms | p. 212 |
Use Command Reference to Check Your Memory | p. 212 |
Chapter 11 Multilayer Switching | |
"Do I Know This Already?" Quiz | p. 215 |
Foundation Topics | p. 218 |
InterVLAN Routing | p. 218 |
Types of Interfaces | p. 218 |
Configuring InterVLAN Routing | p. 219 |
Multilayer Switching with CEF | p. 221 |
Traditional MLS Overview | p. 221 |
CEF Overview | p. 222 |
Forwarding Information Base | p. 222 |
Adjacency Table | p. 226 |
Packet Rewrite | p. 229 |
Configuring CEF | p. 229 |
Verifying Multilayer Switching | p. 230 |
Verifying InterVLAN Routing | p. 230 |
Verifying CEF | p. 232 |
Using DHCP with a Multilayer Switch | p. 233 |
Configuring an IOS DHCP Server | p. 235 |
Configuring a DHCP Relay | p. 235 |
Exam Preparation Tasks | p. 237 |
Review All Key Topics | p. 237 |
Complete Tables and Lists from Memory | p. 237 |
Define Key Terms | p. 237 |
Use Command Reference to Check Your Memory | p. 237 |
Part III Designing Campus Networks | |
Chapter 12 Enterprise Campus Network Design | |
"Do I Know This Already?" Quiz | p. 243 |
Foundation Topics | p. 247 |
Hierarchical Network Design | p. 247 |
Predictable Network Model | p. 249 |
Access Layer | p. 251 |
Distribution Layer | p. 251 |
Core Layer | p. 251 |
Modular Network Design | p. 252 |
Switch Block | p. 254 |
Core Block | p. 259 |
Exam Preparation Tasks | p. 263 |
Review All Key Topics | p. 263 |
Complete Tables and Lists from Memory | p. 263 |
Define Key Terms | p. 263 |
Chapter 13 Layer 3 High Availability | |
"Do I Know This Already?" Quiz | p. 265 |
Foundation Topics | p. 268 |
Router Redundancy in Multilayer Switching | p. 268 |
Packet-Forwarding Review | p. 268 |
Hot Standby Router Protocol | p. 269 |
Virtual Router Redundancy Protocol | p. 277 |
Gateway Load Balancing Protocol | p. 280 |
Verifying Gateway Redundancy | p. 289 |
Supervisor and Route Processor Redundancy | p. 289 |
Redundant Switch Supervisors | p. 289 |
Configuring the Redundancy Mode | p. 290 |
Configuring Supervisor Synchronization | p. 293 |
Nonstop Forwarding | p. 293 |
Exam Preparation Tasks | p. 295 |
Review All Key Topics | p. 295 |
Define Key Terms | p. 295 |
Use Command Reference to Check Your Memory | p. 295 |
Part IV Campus Network Services | |
Chapter 14 IP Telephony | |
"Do I Know This Already?" Quiz | p. 301 |
Foundation Topics | p. 304 |
Power over Ethernet | p. 304 |
How PoE Works | p. 304 |
Detecting a Powered Device | p. 304 |
Supplying Power to a Device | p. 305 |
Configuring PoE | p. 307 |
Verifying PoE | p. 307 |
Voice VLANs | p. 308 |
Voice VLAN Configuration | p. 308 |
Verifying Voice VLAN Operation | p. 311 |
Voice QoS | p. 312 |
QoS Overview | p. 313 |
Best-Effort Delivery | p. 314 |
Integrated Services Model | p. 314 |
Differentiated Services Model | p. 314 |
DiffServ QoS | p. 315 |
Implementing QoS for Voice | p. 318 |
Configuring a Trust Boundary | p. 319 |
Using Auto-QoS to Simplify a Configuration | p. 321 |
Verifying Voice QoS | p. 324 |
Exam Preparation Tasks | p. 327 |
Review All Key Topics | p. 327 |
Complete Tables and Lists from Memory | p. 327 |
Define Key Terms | p. 327 |
Use Command Reference to Check Your Memory | p. 328 |
Chapter 15 Integrating Wireless LANs | |
"Do I Know This Already?" Quiz | p. 331 |
Foundation Topics | p. 335 |
Wireless LAN Basics | p. 335 |
Comparing Wireless and Wired LANs | p. 335 |
Avoiding Collisions in a WLAN | p. 336 |
WLAN Building Blocks | p. 338 |
Access Point Operation | p. 340 |
Wireless LAN Cells | p. 341 |
WLAN Architecture | p. 344 |
Traditional WLAN Architecture | p. 344 |
Cisco Unified Wireless Network Architecture | p. 346 |
WLC Functions | p. 349 |
Lightweight AP Operation | p. 350 |
Traffic Patterns in a Cisco Unified Wireless Network | p. 352 |
Roaming in a Cisco Unified Wireless Network | p. 354 |
Intracontroller Roaming | p. 355 |
Intercontroller Roaming | p. 356 |
Mobility Groups | p. 361 |
Configuring Switch Ports for WLAN Use | p. 361 |
Configuring Support for Autonomous APs | p. 361 |
Configuring Support for LAPs | p. 362 |
Configuring Support for WLCs | p. 363 |
Exam Preparation Tasks | p. 365 |
Review All Key Topics | p. 365 |
Define Key Terms | p. 365 |
Part V Securing Switched Networks | |
Chapter 16 Securing Switch Access | |
"Do I Know This Already?" Quiz | p. 369 |
Foundation Topics | p. 373 |
Port Security | p. 373 |
Port-Based Authentication | p. 376 |
802.1 x Configuration | p. 376 |
802.1 x Port-Based Authentication Example | p. 378 |
Mitigating Spoofing Attacks | p. 378 |
DHCP Snooping | p. 379 |
IP Source Guard | p. 381 |
Dynamic ARP Inspection | p. 383 |
Best Practices for Securing Switches | p. 385 |
Exam Preparation Tasks | p. 389 |
Review All Key Topics | p. 389 |
Complete Tables and Lists from Memory | p. 389 |
Define Key Terms | p. 389 |
Use Command Reference to Check Your Memory | p. 390 |
Chapter 17 Securing with VLANs | |
"Do I Know This Already?" Quiz | p. 393 |
Foundation Topics | p. 396 |
VLAN Access Lists | p. 396 |
VACL Configuration | p. 396 |
Private VLANs | p. 397 |
Private VLAN Configuration | p. 399 |
Configure the Private VLANs | p. 399 |
Associate Ports with Private VLANs | p. 400 |
Associate Secondary VLANs to a Primary VLAN SVI | p. 401 |
Securing VLAN Trunks | p. 402 |
Switch Spoofing | p. 402 |
VLAN Hopping | p. 404 |
Exam Preparation Tasks | p. 407 |
Review All Key Topics | p. 407 |
Complete Tables and Lists from Memory | p. 407 |
Define Key Terms | p. 407 |
Use Command Reference to Check Your Memory | p. 408 |
Part VI Final Exam Preparation | |
Chapter 18 Final Preparation | |
Exam Engine on the CD | p. 413 |
Install the Exam Engine Software from the CD | p. 413 |
Download and Activate the Practice Exam Content | p. 414 |
Activating Other Exams | p. 414 |
Study Plan | p. 415 |
Recall the Facts | p. 415 |
Practice Configurations | p. 415 |
Use the Exam Engine | p. 416 |
The Cisco Learning Network | p. 416 |
Part VII Appendixes | |
Appendix A Answers to the "Do I Know This Already?" Quizzes | p. 421 |
Glossary | p. 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 |