Solution Manual for CCNA 2 v7 Labs and Study Guide

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Solution Manual for CCNA 2 v7 Labs and Study Guide helps you grasp essential concepts faster with structured explanations.

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Switching, Routing, and
Wireless Essentials Labs and
Study Guide (CCNAv7)
Instructor’s Answer Key
Allan Johnson
Cisco Press
221 River St.
Hoboken, NJ 07030 USA

vi Switching, Routing, and Wireless Essentials Labs and Study Guide (CCNAv7)
Contents at a Glance
Introduction xxx
Chapter 1 Basic Device Configuration 1
Chapter 2 Switching Concepts 69
Chapter 3 VLANs 77
Chapter 4 Inter-VLAN Routing 161
Chapter 5 STP Concepts 251
Chapter 6 EtherChannel 265
Chapter 7 DHCPv4 311
Chapter 8 SLAAC and DHCPv6 349
Chapter 9 FHRP Concepts 379
Chapter 10 LAN Security Concepts 393
Chapter 11 Switch Security Configuration 405
Chapter 12 WLAN Concepts 439
Chapter 13 WLAN Configuration 455
Chapter 14 Routing Concepts 503
Chapter 15 IP Static Routing 535
Chapter 16 Troubleshoot Static and Default Routes 571

Contents
Introduction xxx
Chapter 1 Basic Device Configuration 1
Study Guide 2
Configure a Switch with Initial Settings 2
Switch Boot Sequence 2
The boot system Command 2
Switch LED Indicators 3
Recovering from a System Crash 4
Switch Management Access 5
Switch SVI Configuration 6
Configure Switch Ports 6
Duplex Communication 6
Configure Switch Ports at the Physical Layer 6
Auto-MDIX 7
Switch Verification Commands 7
Network Access Layer Issues 8
Troubleshooting Network Access Layer Issues 9
Secure Remote Access 10
Telnet Operation 10
SSH Operation 10
Verify That the Switch Supports SSH 10
Configure SSH 10
Verify That SSH Is Operational 11
Packet Tracer Exercise 1-1: Configure Secure Access 12
Basic Router Configuration 13
Configure Basic Router Settings 13
Dual Stack Topology 14
Configure Router Interfaces 14
IPv4 Loopback Interfaces 15
Packet Tracer Exercise 1-2: Basic Router Configuration 15
Verify Directly Connected Networks 16
Verify Interface Status 16
Verify IPv6 Link-Local and Multicast Addresses 16
Verify Interface Configuration 17
Verify Routes 17
Filter Show Command Output 18
Command History Feature 19
Check Your Understanding—Verify Directly Connected Networks 20
Labs and Activities 21
Command Reference 21
Contents vii

viii Switching, Routing, and Wireless Essentials Labs and Study Guide (CCNAv7)
1.1.7 Lab—Basic Switch Configuration (Instructor Version) 23
Topology 23
Addressing Table 23
Objectives 23
Background / Scenario 24
Required Resources 24
Part 1: Cable the Network and Verify the Default Switch
Configuration 25
Part 2: Configure Basic Network Device Settings 29
Part 3: Verify and Test Network Connectivity 31
Part 4: Manage the MAC Address Table 34
Reflection Questions 37
Appendix A: Initialize and Reload a Switch 37
Device Configs 38
Switch S1 38
1.3.6 Packet Tracer—Configure SSH (Instructor Version) 42
Addressing Table 42
Objectives 42
Background 42
Instructions 42
Part 1: Secure Passwords 42
Part 2: Encrypt Communications 42
1.4.7 Packet Tracer—Configure Router Interfaces (Instructor Version) 44
Addressing Table 44
Objectives 44
Background 44
Instructions 44
Part 1: Configure IPv4 Addressing and Verify Connectivity 44
Part 2: Configure IPv6 Addressing and Verify Connectivity 45
Final Configuration 45
Router R1 45
Router R2 45
1.5.10 Packet Tracer—Verify Directly Connected Networks
(Instructor Version) 46
Addressing Table 46
Objectives 46
Background 46
Instructions 46
Part 1: Verify IPv4 Directly Connected Networks 46
Part 2: Verify IPv6 Directly Connected Networks 48
Final Configuration 49
Router R1 49
Router R2 49

1.6.1 Packet Tracer—Implement a Small Network (Instructor Version) 50
Addressing Table 50
Objectives 50
Instructions 50
Part 1: Create the Network Topology 50
Part 2: Configure Devices 51
Device Configurations 52
Router RTA 52
Switch SW1 53
Switch SW2 53
1.6.2 Lab—Configure Basic Router Settings (Instructor Version) 54
Topology 54
Addressing Table 54
Objectives 54
Background / Scenario 55
Required Resources 55
Instructions 56
Part 1: Set Up the Topology and Initialize Devices 56
Part 2: Configure Devices and Verify Connectivity 56
Part 3: Display Router Information 59
Reflection Questions 65
Router Interface Summary Table 66
Device Configs 66
Router R1 66
Chapter 2 Switching Concepts 69
Study Guide 70
Frame Forwarding 70
Switching in Networking 70
The Switch MAC Address Table 70
The Switch Learn and Forward Method 70
Switching Forwarding Methods 71
Store-and-Forward Switching 71
Cut-Through Switching 71
Activity—Build the MAC Address Table 72
Switching Domains 73
Collision Domains 73
Broadcast Domains 74
Alleviate Network Congestion 74
Check Your Understanding—Switching Domains 75
Labs and Activities 76
Contents ix

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x Switching, Routing, and Wireless Essentials Labs and Study Guide (CCNAv7)
Chapter 3 VLANs 77
Study Guide 78
Overview of VLANs 78
VLAN Definitions 78
Benefits of VLAN Design 78
Types of VLANs 78
Check Your Understanding—Overview of VLANs 79
VLANs in a Multi-Switched Environment 80
Defining VLAN Trunks 80
Network Without VLANs 80
Network with VLANs 80
VLAN Identification with a Tag 81
Native VLANs and 802.1Q Tagging 81
Voice VLAN Tagging 82
Check Your Understanding—VLANs in a Multi-Switched Environment 83
VLAN Configuration 85
VLAN Ranges on Catalyst Switches 85
VLAN Creation and Port Assignment Exercise 85
Packet Tracer 3-1: VLAN Creation and Port Assignment 86
Requirements 86
Verify VLAN Information 87
Modify VLANs and Port Assignments 88
VLAN Trunks 88
Trunk Configuration Commands 88
Packet Tracer Exercise 3-2: VLAN and Trunk Configuration 89
Reset the Trunk to the Default State 90
Dynamic Trunking Protocol 90
Introduction to DTP 90
Negotiated Interface Modes 90
Results of a DTP Configuration 91
Verify DTP Mode 92
Check Your Understanding—Dynamic Trunking Protocol 93
Labs and Activities 94
Command Reference 94
3.1.4 Packet Tracer—Who Hears the Broadcast? (Instructor Version) 95
Objectives 95
Scenario 95
Instructions 95
Reflection Questions 96
3.2.8 Packet Tracer—Investigate a VLAN Implementation
(Instructor Version) 97
Addressing Table 97

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Objectives 97
Background 97
Instructions 97
Part 1: Observe Broadcast Traffic in a VLAN Implementation 97
Part 2: Observe Broadcast Traffic without VLANs 99
Reflection Questions 99
3.3.12 Packet Tracer—VLAN Configuration (Instructor Version) 101
Addressing Table 101
Objectives 101
Background 101
Part 1: View the Default VLAN Configuration 101
Part 2: Configure VLANs 102
Part 3: Assign VLANs to Ports 103
Answer Scripts 105
Switch S1 105
Switch S2 105
Switch S3 105
3.4.5 Packet Tracer—Configure Trunks (Instructor Version) 107
Addressing Table 107
Objectives 107
Background 107
Instructions 107
Part 1: Verify VLANs 107
Part 2: Configure Trunks 108
Answer Scripts 109
Switch S1 109
Switch S2 109
Switch S3 109
3.4.6 Lab—Configure VLANs and Trunking (Instructor Version) 110
Topology 110
Addressing Table 110
Objectives 110
Background / Scenario 110
Required Resources 111
Instructions 111
Part 1: Build the Network and Configure Basic Device Settings 111
Part 2: Create VLANs and Assign Switch Ports 113
Part 3: Maintain VLAN Port Assignments and the VLAN Database 116
Part 4: Configure an 802.1Q Trunk Between the Switches 120
Part 5: Delete the VLAN Database 124
Reflection Questions 125
Device Configs - Final 125
Contents xi

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xii Switching, Routing, and Wireless Essentials Labs and Study Guide (CCNAv7)
Switch S1 125
Switch S2 129
3.5.5 Packet Tracer—Configure DTP (Instructor Version) 133
Addressing Table 133
Objectives 133
Background / Scenario 133
Instructions 133
Part 1: Verify VLAN configuration 133
Part 2: Create additional VLANs on S2 and S3 134
Part 3: Assign VLANs to Ports 135
Part 4: Configure Trunks on S1, S2, and S3 136
Part 5: Reconfigure trunk on S3 138
Part 6: Verify end to end connectivity 138
Script 138
Switch S1 138
Switch S2 139
Switch S3 139
3.6.1 Packet Tracer—Implement VLANs and Trunking
(Instructor Version) 141
Addressing Table 141
Objectives 141
Background 141
Instructions 141
Part 1: Configure VLANs 141
Part 2: Assign Ports to VLANs 142
Part 3: Configure Static Trunking 142
Part 4: Configure Dynamic Trunking 142
Answer Scripts 142
Switch SWA 142
Switch SWB 143
Switch SWC 144
3.6.2 Lab—Implement VLANs and Trunking (Instructor Version) 145
Topology 145
Addressing Table 145
VLAN Table 145
Objectives 145
Background / Scenario 146
Required Resources 146
Instructions 146
Part 1: Build the Network and Configure Basic Device Settings 146
Part 2: Create VLANs and Assign Switch Ports 148
Part 3: Configure an 802.1Q Trunk Between the Switches 150
Device Configs - Final 151

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Switch S1 151
Switch S2 155
Chapter 4 Inter-VLAN Routing 161
Study Guide 162
Inter-VLAN Routing Operation 162
What is Inter-VLAN Routing? 162
Legacy Inter-VLAN Routing 162
Router-on-a-Stick Inter-VLAN Routing 162
Inter-VLAN Routing on a Layer 3 Switch 162
Check Your Understanding—Inter-VLAN Routing Operation 163
Router-on-a-Stick Inter-VLAN Routing 164
Router-on-a-Stick Command Syntax 164
Router-on-a-Stick Configuration 165
Packet Tracer Exercise 4-1: Router-on-a-Stick Inter-VLAN Routing
Configuration 166
Inter-VLAN Routing Using Layer 3 Switches 166
Layer 3 Switch Inter-VLAN Routing 166
Layer 3 Switch Configuration 167
Packet Tracer 4-2: Layer 3 Switch Inter-VLAN Routing Configuration 168
Troubleshoot Inter-VLAN Routing 169
Common Inter-VLAN Issues 169
Troubleshoot Router-on-a-Stick Inter-VLAN Routing 170
Troubleshoot Layer 3 Switch Inter-VLAN Routing 171
Check Your Understanding—Troubleshoot Inter-VLAN Routing 174
Labs and Activities 175
Command Reference 175
4.2.7 Packet Tracer—Configure Router-on-a-Stick Inter-VLAN Routing
(Instructor Version) 175
Addressing Table 175
Objectives 175
Scenario 176
Instructions 176
Part 1: Add VLANs to a Switch 176
Part 2: Configure Subinterfaces 177
Part 3: Test Connectivity with Inter-VLAN Routing 177
Answer scripts 178
Switch S1 178
Router R1 179
4.2.8 Lab—Configure Router-on-a-Stick Inter-VLAN Routing
(Instructor Version) 180
Topology 180
Addressing Table 180
Contents xiii

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xiv Switching, Routing, and Wireless Essentials Labs and Study Guide (CCNAv7)
VLAN Table 180
Objectives 180
Background / Scenario 181
Required Resources 181
Instructions 182
Part 1: Build the Network and Configure Basic Device Settings 182
Part 2: Create VLANs and Assign Switch Ports 184
Part 3: Configure an 802.1Q Trunk Between the Switches 186
Part 4: Configure Inter-VLAN Routing on the Router 187
Part 5: Verify Inter-VLAN Routing is Working 188
Router Interface Summary Table 188
Device Configs - Final 189
Switch S1 189
Switch S2 193
Router R1 198
4.3.8 Packet Tracer—Configure Layer 3 Switching and Inter-VLAN Routing
(Instructor Version) 201
Addressing Table 201
Objectives 201
Background / Scenario 201
Instructions 202
Part 1: Configure Layer 3 Switching 202
Part 2: Configure Inter-VLAN Routing 202
Part 3: Configure IPv6 Inter-VLAN Routing 204
Script 205
MLS 205
S1 206
4.4.8 Packet Tracer—Troubleshoot Inter-VLAN Routing
(Instructor Version) 207
Addressing Table 207
Objectives 207
Scenario 207
Instructions 207
Part 1: Locate the Network Problems 207
Part 2: Implement the Solutions 208
Part 3: Verify Network Connectivity 208
4.4.9 Lab—Troubleshoot Inter-VLAN Routing (Instructor Version) 209
Topology 209
Addressing Table 209
VLAN Table 209
Objectives 209
Background / Scenario 210

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Router R1 210
Switch S1 210
Switch S2 212
Required Resources 213
Instructions 213
Part 1: Evaluate Network Operation 213
Part 2: Gather information, create an action plan, and implement
corrections 214
Router R1 214
Switch S1 214
Switch S2 215
Device Configuration - Final 215
Router R1 215
Switch S1 217
Switch S2 221
4.5.1 Packet Tracer—Inter-VLAN Routing Challenge (Instructor Version) 227
Addressing Table 227
VLAN and Port Assignments Table 227
Scenario 227
Instructions 227
Answer Scripts 228
Switch S1 228
Router R1 229
4.5.2 Lab—Implement Inter-VLAN Routing (Instructor Version) 230
Topology 230
Addressing Table 230
VLAN Table 230
Objectives 230
Background / Scenario 231
Required Resources 231
Instructions 232
Part 1: Build the Network and Configure Basic Device Settings 232
Part 2: Create VLANs and Assign Switch Ports 234
Part 3: Configure an 802.1Q Trunk Between the Switches 236
Part 4: Configure Inter-VLAN Routing on the Router 237
Part 5: Verify Inter-VLAN Routing is Working 238
Router Interface Summary Table 239
Device Configs - Final 239
Switch S1 239
Switch S2 244
Router R1 248
Contents xv

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xvi Switching, Routing, and Wireless Essentials Labs and Study Guide (CCNAv7)
Chapter 5 STP Concepts 251
Study Guide 252
Purpose of STP 252
Issues with Redundant Switch Links 252
Layer 2 Loops 252
Broadcast Storm 252
The Spanning-Tree Algorithm 252
Check Your Understanding—Purpose of STP 253
STP Operation 253
Steps to a Loop-Free Topology 253
1. Elect the Root Bridge 254
2. Elect the Root Ports 255
3. Elect Designated Ports 255
4. Elect Alternate (Blocked) Ports 256
Elect a Root Port from Multiple Equal-Cost Paths 256
STP Timers and Port States 256
Operational Details of Each Port State 257
Check Your Understanding—STP Operations 258
Evolution of STP 259
Different Versions of STP 259
RSTP Port States and Port Roles 260
PortFast and BPDU Guard 260
Check Your Understanding—Evolution of STP 261
Labs and Activities 262
Command Reference 262
5.1.9 Packet Tracer—Investigate STP Loop Prevention
(Instructor Version) 262
Objectives 262
Background / Scenario 262
Instructions 262
Part 1: Observe a Converged Spanning-Tree Instance 262
Part 2: Observe spanning-tree convergence 263
Chapter 6 EtherChannel 265
Study Guide 266
EtherChannel Operation 266
EtherChannel Advantages 266
Implementation Restrictions 266
PAgP and LACP Autonegotiation Protocols 266
Check Your Understanding—EtherChannel Operation 268
Configure EtherChannel 269
Configuration Guidelines 269
EtherChannel Configuration Steps 269

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EtherChannel Configuration Scenarios 270
Verify and Troubleshoot EtherChannel 271
Verify EtherChannel 271
Troubleshoot EtherChannel 273
Labs and Activities 275
Command Reference 275
6.2.4 Packet Tracer—Configure EtherChannel (Instructor Version) 275
Objectives 275
Background 275
Instructions 276
Part 1: Configure Basic Switch Settings 276
Part 2: Configure an EtherChannel with Cisco PAgP 276
Part 3: Configure an 802.3ad LACP EtherChannel 278
Part 4: Configure a Redundant EtherChannel Link 279
EtherChannel Configuration Guidelines and Restrictions 280
Answer Scripts 281
Switch S1 281
Switch S2 282
Switch S3 282
6.3.4 Packet Tracer—Troubleshoot EtherChannel (Instructor Version) 283
Objectives 283
Background 283
Instructions 284
Part 1: Examine the Physical Layer and Correct Switch Port Mode
Issues 284
Part 2: Identify and Correct Port Channel Assignment Issues 285
Part 3: Identify and Correct Port Channel Protocol Issues 285
Answer Scripts 286
Switch S1 286
Switch S2 286
Switch S3 287
Switch S4 287
6.4.1 Packet Tracer—Implement EtherChannel (Instructor Version) 288
Objectives 288
Background 288
Instructions 288
Part 1: Build the Network 288
Part 2: Configure EtherChannel 289
Answer Scripts 290
Switch SWA 290
Switch SWB 290
Switch SWC 291
Contents xvii

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xviii Switching, Routing, and Wireless Essentials Labs and Study Guide (CCNAv7)
6.4.2 Lab—Implement EtherChannel (Instructor Version) 292
Topology 292
Addressing Table 292
VLAN Table 292
Objectives 292
Background / Scenario 292
Required Resources 293
Instructions 293
Part 1: Build the Network and Configure Basic Device Settings 293
Part 2: Create VLANs and Assign Switch Ports 294
Part 3: Configure 802.1Q trunks between the switches 296
Part 4: Implement and Verify an EtherChannel between the switches 298
Device Configs - Final 300
Switch S1 300
Switch S2 304
Chapter 7 DHCPv4 311
Study Guide 312
DHCPv4 Concepts 312
DHCPv4 Operation 312
Check Your Understanding—DHCPv4 Concepts 313
Configure a Cisco IOS DHCPv4 Server 313
Steps to Configure a Cisco IOS DHCPv4 Server 313
DHCPv4 Relay 316
Other Service Broadcasts Relayed 316
Configure a DHCPv4 Client 316
Labs and Activities 318
Command Reference 318
7.2.10 Packet Tracer—Configure DHCPv4 (Instructor Version) 319
Addressing Table 319
Objectives 319
Scenario 319
Instructions 319
Part 1: Configure a Router as a DHCP Server 319
Part 2: Configure DHCP Relay 320
Part 3: Configure a Router as a DHCP Client 321
Part 4: Verify DHCP and Connectivity 321
Answer Scripts 321
Router R1 321
Router R2 321
Router R3 322

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7.4.1 Packet Tracer—Implement DHCPv4 (Instructor Version) 323
Addressing Table 323
Objectives 323
Scenario 323
Instructions 323
Part 1: Configure a Router as a DHCP Server 323
Part 2: Configure DHCP Relay 324
Part 3: Configure R2 as a DHCP Client 324
Answer Scripts 324
Router R1 324
Router R2 324
Router R3 325
7.4.2 Lab—Implement DHCPv4 (Instructor Version) 326
Topology 326
Addressing Table 326
VLAN Table 326
Objectives 326
Background / Scenario 327
Required Resources 327
Instructions 327
Part 1: Build the Network and Configure Basic Device Settings 327
Part 2: Configure and verify two DHCPv4 Servers on R1 333
Part 3: Configure and verify a DHCP Relay on R2 334
Device Configs - Final 334
Switch S1 334
Switch S2 339
Router R1 342
Router R2 345
Chapter 8 SLAAC and DHCPv6 349
Study Guide 350
IPv6 GUA Assignment 350
IPv6 Host Configuration 350
IPv6 Host Link-Local Address 350
IPv6 GUA Assignment 350
Three RA Message Flags 351
Check Your Understanding—IPv6 GUA Assignment 351
SLAAC 351
Enabling SLAAC 351
SLAAC-Only Method 351
Host Process to Generate an Interface ID 352
Duplicate Address Detection 352
Check Your Understanding—SLAAC 352
Contents xix

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