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Solution Manual for CCNA 2 v7 Labs and Study Guide

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

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    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

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    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

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    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

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    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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