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Switching, Routing, and Wireless Essentials Course Booklet (CCNAv7), 1st edition
Published by Cisco Press (August 24, 2020) © 2020
- Allan Johnson
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The Cisco Networking Academy Course Booklet is designed as a study resource students can easily read, highlight, and review on the go, wherever the Internet is not available or practical:
- The text is extracted directly, word-for-word, from the online course so you can highlight important points and take notes in the “Your Chapter Notes” section.
- Headings with the exact page correlations provide a quick reference to the online course for your classroom discussions and exam preparation.
- An icon system directs you to the online curriculum to take full advantage of the images embedded within the Networking Academy online course interface and reminds you to do the labs, interactive activities, packet tracer activities, watch videos, and take the chapter quizzes.
The Course Booklet is a basic, economical paper-based resource to help students succeed with the Cisco Networking Academy Switching, Routing, and Wireless Essentials v7.0 (SRWE) online course.
Introduction xxviii
Chapter 1 Basic Device Configuration 1
Introduction - 1.0 1
Why should I take this module? - 1.0.1 1
What will I learn to do in this module? - 1.0.2 1
Configure a Switch with Initial Settings - 1.1 1
Switch Boot Sequence - 1.1.1 1
The boot system Command - 1.1.2 2
Switch LED Indicators - 1.1.3 2
Recovering from a System Crash - 1.1.4 4
Switch Management Access - 1.1.5 5
Switch SVI Configuration Example - 1.1.6 5
Lab: Basic Switch Configuration - 1.1.7 6
Configure Switch Ports - 1.2 7
Duplex Communication - 1.2.1 7
Configure Switch Ports at the Physical Layer - 1.2.2 7
Auto-MDIX - 1.2.3 8
Switch Verification Commands - 1.2.4 9
Verify Switch Port Configuration - 1.2.5 9
Network Access Layer Issues - 1.2.6 10
Interface Input and Output Errors - 1.2.7 12
Troubleshooting Network Access Layer Issues - 1.2.8 13
Syntax Checker - Configure Switch Ports - 1.2.9 13
Secure Remote Access - 1.3 13
Telnet Operation - 1.3.1 13
SSH Operation - 1.3.2 14
Verify the Switch Supports SSH - 1.3.3 14
Configure SSH - 1.3.4 14
Verify SSH is Operational - 1.3.5 16
Packet Tracer - Configure SSH - 1.3.6 16
Basic Router Configuration - 1.4 17
Configure Basic Router Settings - 1.4.1 17
Syntax Checker - Configure Basic Router Settings - 1.4.2 18
Dual Stack Topology - 1.4.3 18
Configure Router Interfaces - 1.4.4 18
Syntax Checker - Configure Router Interfaces - 1.4.5 19
IPv4 Loopback Interfaces - 1.4.6 19
Packet Tracer - Configure Router Interfaces - 1.4.7 20
Verify Directly Connected Networks - 1.5 20
Interface Verification Commands - 1.5.1 20
Verify Interface Status - 1.5.2 20
Verify IPv6 Link Local and Multicast Addresses - 1.5.3 21
Verify Interface Configuration - 1.5.4 22
Verify Routes - 1.5.5 22
Filter Show Command Output - 1.5.6 24
Syntax Checker - Filter Show Command Output - 1.5.7 26
Command History Feature - 1.5.8 26
Syntax Checker - Command History Features - 1.5.9 26
Packet Tracer - Verify Directly Connected Networks - 1.5.10 26
Check Your Understanding - Verify Directly Connected Networks - 1.5.11 27
Module Practice and Quiz - 1.6 27
Packet Tracer - Implement a Small Network - 1.6.1 27
Lab - Configure Basic Router Settings - 1.6.2 27
What did I learn in this module? - 1.6.3 27
Chapter Quiz - Basic Device Configuration 29
Your Chapter Notes 29
Chapter 2 Switching Concepts 31
Introduction - 2.0 31
Why should I take this module? - 2.0.1 31
What will I learn to do in this module? - 2.0.2 31
Frame Forwarding - 2.1 31
Switching in Networking - 2.1.1 31
The Switch MAC Address Table - 2.1.2 32
The Switch Learn and Forward Method - 2.1.3 32
Video - MAC Address Tables on Connected Switches - 2.1.4 33
Switching Forwarding Methods - 2.1.5 33
Store-and-Forward Switching - 2.1.6 33
Cut-Through Switching - 2.1.7 33
Activity - Switch It! 34
Switching Domains - 2.2 34
Collision Domains - 2.2.1 34
Broadcast Domains - 2.2.2 34
Alleviate Network Congestion - 2.2.3 35
Check Your Understanding - Switching Domains - 2.2.4 36
Module Practice and Quiz - 2.3 36
What did I learn in this module? - 2.3.1 36
Chapter Quiz - Switching Concepts 37
Your Chapter Notes 37
Chapter 3 VLANs 39
Introduction - 3.0 39
Why should I take this module? - 3.0.1 39
What will I learn to do in this module? - 3.0.2 39
Overview of VLANs - 3.1 39
VLAN Definitions - 3.1.1 39
Benefits of a VLAN Design - 3.1.2 40
Types of VLANs - 3.1.3 41
Packet Tracer - Who Hears the Broadcast? - 3.1.4 43
Check Your Understanding - Overview of VLANs - 3.1.5 43
VLANs in a Multi-Switched Environment - 3.2 43
Defining VLAN Trunks - 3.2.1 43
Network without VLANs - 3.2.2 43
Network with VLANs - 3.2.3 43
VLAN Identification with a Tag - 3.2.4 44
Native VLANs and 802.1Q Tagging - 3.2.5 44
Voice VLAN Tagging - 3.2.6 45
Voice VLAN Verification Example - 3.2.7 46
Packet Tracer - Investigate a VLAN Implementation - 3.2.8 46
Check Your Understanding - VLANs in a Multi-Switch Environment - 3.2.9 46
VLAN Configuration - 3.3 46
VLAN Ranges on Catalyst Switches - 3.3.1 46
VLAN Creation Commands - 3.3.2 48
VLAN Creation Example - 3.3.3 48
VLAN Port Assignment Commands - 3.3.4 48
VLAN Port Assignment Example - 3.3.5 49
Data and Voice VLANs - 3.3.6 49
Data and Voice VLAN Example - 3.3.7 49
Verify VLAN Information - 3.3.8 50
Change VLAN Port Membership - 3.3.9 51
Delete VLANs - 3.3.10 52
Syntax Checker - VLAN Configuration - 3.3.11 53
Packet Tracer - VLAN Configuration - 3.3.12 53
VLAN Trunks - 3.4 53
Trunk Configuration Commands - 3.4.1 53
Trunk Configuration Example - 3.4.2 54
Verify Trunk Configuration - 3.4.3 54
Reset the Trunk to the Default State - 3.4.4 55
Packet Tracer - Configure Trunks - 3.4.5 56
Lab - Configure VLANs and Trunking - 3.4.6 57
Dynamic Trunking Protocol - 3.5 57
Introduction to DTP - 3.5.1 57
Negotiated Interface Modes - 3.5.2 58
Results of a DTP Configuration - 3.5.3 58
Verify DTP Mode - 3.5.4 59
Packet Tracer - Configure DTP - 3.5.5 59
Check Your Understanding - Dynamic Trunking Protocol - 3.5.6 59
Module Practice and Quiz - 3.6 59
Packet Tracer - Implement VLANs and Trunking - 3.6.1 59
Lab - Implement VLANs and Trunking - 3.6.2 60
What did I learn in this module? - 3.6.3 60
Chapter Quiz - VLANs 62
Your Chapter Notes 62
Chapter 4 Inter-VLAN Routing 63
Introduction - 4.0 63
Why should I take this module? - 4.0.1 63
What will I learn to do in this module? - 4.0.2 63
Inter-VLAN Routing Operation - 4.1 63
What is Inter-VLAN Routing? - 4.1.1 63
Legacy Inter-VLAN Routing - 4.1.2 64
Router-on-a-Stick Inter-VLAN Routing - 4.1.3 64
Inter-VLAN Routing on a Layer 3 Switch - 4.1.4 65
Check Your Understanding - Inter-VLAN Routing Operation - 4.1.5 66
Router-on-a-Stick Inter-VLAN Routing - 4.2 66
Router-on-a-Stick Scenario - 4.2.1 66
S1 VLAN and Trunking Configuration - 4.2.2 66
S2 VLAN and Trunking Configuration - 4.2.3 68
R1 Subinterface Configuration - 4.2.4 69
Verify Connectivity Between PC1 and PC2 - 4.2.5 70
Router-on-a-Stick Inter-VLAN Routing Verification - 4.2.6 71
Packet Tracer - Configure Router-on-a-Stick Inter-VLAN Routing - 4.2.7 73
Lab - Configure Router-on-a-Stick Inter-VLAN Routing - 4.2.8 74
Inter-VLAN Routing using Layer 3 Switches - 4.3 74
Layer 3 Switch Inter-VLAN Routing - 4.3.1 74
Layer 3 Switch Scenario - 4.3.2 74
Layer 3 Switch Configuration - 4.3.3 75
Layer 3 Switch Inter-VLAN Routing Verification - 4.3.4 76
Routing on a Layer 3 Switch - 4.3.5 77
Routing Scenario on a Layer 3 Switch - 4.3.6 77
Routing Configuration on a Layer 3 Switch - 4.3.7 77
Packet Tracer - Configure Layer 3 Switching and Inter-VLAN Routing - 4.3.8 80
Troubleshoot Inter-VLAN Routing - 4.4 80
Common Inter-VLAN Issues - 4.4.1 80
Troubleshoot Inter-VLAN Routing Scenario - 4.4.2 81
Missing VLANs - 4.4.3 81
Switch Trunk Port Issues - 4.4.4 84
Switch Access Port Issues - 4.4.5 85
Router Configuration Issues - 4.4.6 87
Check Your Understanding - Troubleshoot Inter-VLAN Routing - 4.4.7 89
Packet Tracer - Troubleshoot Inter-VLAN Routing - 4.4.8 89
Lab - Troubleshoot Inter-VLAN Routing - 4.4.9 89
Module Practice and Quiz - 4.5 89
Packet Tracer - Inter-VLAN Routing Challenge - 4.5.1 89
Lab - Implement Inter-VLAN Routing - 4.5.2 89
What did I learn in this module? - 4.5.3 89
Chapter Quiz - Inter-VLAN Routing 92
Your Chapter Notes 92
Chapter 5 STP Concepts 93
Introduction - 5.0 93
Why should I take this module? - 5.0.1 93
What will I learn to do in this module? - 5.0.2 93
Purpose of STP - 5.1 94
Redundancy in Layer 2 Switched Networks - 5.1.1 94
Spanning Tree Protocol - 5.1.2 94
STP Recalculation - 5.1.3 94
Issues with Redundant Switch Links - 5.1.4 94
Layer 2 Loops - 5.1.5 94
Broadcast Storm - 5.1.6 95
The Spanning Tree Algorithm - 5.1.7 95
Video - Observe STP Operation - 5.1.8 97
Packet Tracer - Investigate STP Loop Prevention - 5.1.9 97
Check Your Understanding - Purpose of STP - 5.1.10 97
STP Operations - 5.2 97
Steps to a Loop-Free Topology - 5.2.1 97
1. Elect the Root Bridge - 5.2.2 98
Impact of Default BIDs - 5.2.3 98
Determine the Root Path Cost - 5.2.4 99
2. Elect the Root Ports - 5.2.5 99
3. Elect Designated Ports - 5.2.6 100
4. Elect Alternate (Blocked) Ports - 5.2.7 100
Elect a Root Port from Multiple Equal-Cost Paths - 5.2.8 100
STP Timers and Port States - 5.2.9 101
Operational Details of Each Port State - 5.2.10 102
Per-VLAN Spanning Tree - 5.2.11 103
Check Your Understanding - STP Operations - 5.2.12 103
Evolution of STP - 5.3 103
Different Versions of STP - 5.3.1 103
RSTP Concepts - 5.3.2 104
RSTP Port States and Port Roles - 5.3.3 104
PortFast and BPDU Guard - 5.3.4 105
Alternatives to STP - 5.3.5 105
Check Your Understanding - Evolution of STP - 5.3.6 106
Module Practice and Quiz - 5.4 106
What did I learn in this module? - 5.4.1 106
Chapter Quiz - STP Concepts 109
Your Chapter Notes 109
Chapter 6 EtherChannel 111
Introduction - 6.0 111
Why should I take this module? - 6.0.1 111
What will I learn to do in this module? - 6.0.2 111
EtherChannel Operation - 6.1 111
Link Aggregation - 6.1.1 111
EtherChannel - 6.1.2 112
Advantages of EtherChannel - 6.1.3 112
Implementation Restrictions - 6.1.4 112
AutoNegotiation Protocols - 6.1.5 113
PAgP Operation - 6.1.6 113
PAgP Mode Settings Example - 6.1.7 114
LACP Operation - 6.1.8 114
LACP Mode Settings Example - 6.1.9 115
Check Your Understanding - EtherChannel Operation 116
Configure EtherChannel - 6.2 116
Configuration Guidelines - 6.2.1 116
LACP Configuration Example - 6.2.2 116
Syntax Checker - Configure EtherChannel - 6.2.3 117
Packet Tracer - Configure EtherChannel 117
Verify and Troubleshoot EtherChannel - 6.3 117
Verify EtherChannel - 6.3.1 117
Common Issues with EtherChannel Configurations - 6.3.2 120
Troubleshoot EtherChannel Example - 6.3.3 120
Packet Tracer - Troubleshoot EtherChannel - 6.3.4 123
Module Practice and Quiz - 6.4 123
Packet Tracer - Implement EtherChannel - 6.4.1 123
Lab - Implement EtherChannel - 6.4.2 124
What did I learn in this module? - 6.4.3 124
Chapter Quiz - EtherChannel 126
Your Chapter Notes 126
Chapter 7 DHCPv4 127
Introduction - 7.0 127
Why should I take this module? - 7.0.1 127
What will I learn to do in this module? - 7.0.2 127
DHCPv4 Concepts - 7.1 127
DHCPv4 Server and Client - 7.1.1 127
DHCPv4 Operation - 7.1.2 128
Steps to Obtain a Lease - 7.1.3 128
Steps to Renew a Lease - 7.1.4 129
Check Your Understanding - DHCPv4 Concepts - 7.1.5 130
Configure a Cisco IOS DHCPv4 Server - 7.2 130
Cisco IOS DHCPv4 Server - 7.2.1 130
Steps to Configure a Cisco IOS DHCPv4 Server - 7.2.2 130
Configuration Example - 7.2.3 131
DHCPv4 Verification Commands - 7.2.4 132
Verify DHCPv4 is Operational - 7.2.5 132
Syntax Checker - Configure DHCPv4 - 7.2.6 134
Disable the Cisco IOS DHCPv4 Server - 7.2.7 134
DHCPv4 Relay - 7.2.8 135
Other Service Broadcasts Relayed - 7.2.9 137
Packet Tracer - Configure DHCPv4 - 7.2.10 137
Configure a DHCPv4 Client - 7.3 137
Cisco Router as a DHCPv4 Client - 7.3.1 137
Configuration Example - 7.3.2 138
Home Router as a DHCPv4 Client - 7.3.3 138
Syntax Checker - Configure a Cisco Router as DHCP Client - 7.3.4 138
Module Practice and Quiz - 7.4 138
Packet Tracer - Implement DHCPv4 - 7.4.1 138
Lab - Implement DHCPv4 - 7.4.2 139
What did I learn in this module? - 7.4.3 139
Chapter Quiz - DHCPv4 141
Your Chapter Notes 141
Chapter 8 SLAAC and DHCPv6 143
Introduction - 8.0 143
Welcome - 8.0.1 143
What will I learn to do in this module? - 8.0.2 143
IPv6 GUA Assignment - 8.1 143
IPv6 Host Configuration - 8.1.1 143
IPv6 Host Link-Local Address - 8.1.2 144
IPv6 GUA Assignment - 8.1.3 144
Three RA Message Flags - 8.1.4 145
Check Your Understanding - IPv6 GUA Assignment - 8.1.5 145
SLAAC - 8.2 145
SLAAC Overview - 8.2.1 145
Enabling SLAAC - 8.2.2 146
SLAAC Only Method - 8.2.3 147
ICMPv6 RS Messages - 8.2.4 147
Host Process to Generate Interface ID - 8.2.5 148
Duplicate Address Detection - 8.2.6 148
Check Your Understanding - SLAAC - 8.2.7 149
DHCPv6 - 8.3 149
DHCPv6 Operation Steps - 8.3.1 149
Stateless DHCPv6 Operation - 8.3.2 150
Enable Stateless DHCPv6 on an Interface - 8.3.3 151
Stateful DHCPv6 Operation - 8.3.4 151
Enable Stateful DHCPv6 on an Interface - 8.3.5 152
Check Your Understanding - DHCPv6 - 8.3.6 152
Configure DHCPv6 Server - 8.4 152
DHCPv6 Router Roles - 8.4.1 152
Configure a Stateless DHCPv6 Server - 8.4.2 153
Configure a Stateless DHCPv6 Client - 8.4.3 155
Configure a Stateful DHCPv6 Server - 8.4.4 157
Configure a Stateful DHCPv6 Client - 8.4.5 160
DHCPv6 Server Verification Commands - 8.4.6 162
Configure a DHCPv6 Relay Agent - 8.4.7 163
Verify the DHCPv6 Relay Agent - 8.4.8 164
Check Your Understanding - Configure DHCPv6 Server - 8.4.9 165
Module Practice and Quiz - 8.5 165
Lab - Configure DHCPv6 - 8.5.1 165
What did I learn in this module? - 8.5.2 166
Chapter Quiz - SLAAC and DHCPv6 168
Your Chapter Notes 168
Chapter 9 FHRP Concepts 169
Introduction - 9.0 169
Why should I take this module? - 9.0.1 169
What will I learn to do in this module? - 9.0.2 169
First Hop Redundancy Protocols - 9.1 169
Default Gateway Limitations - 9.1.1 169
Router Redundancy - 9.1.2 170
Steps for Router Failover - 9.1.3 171
FHRP Options - 9.1.4 171
Check Your Understanding - First Hop Redundancy Protocols - 9.1.5 172
HSRP - 9.2 172
HSRP Overview - 9.2.1 172
HSRP Priority and Preemption - 9.2.2 172
HSRP States and Timers - 9.2.3 173
Check Your Understanding - 9.2.4 174
Module Practice and Quiz - 9.3 174
What did I learn in this module? - 9.3.1 174
Chapter Quiz - FHRP Concepts 176
Packet Tracer - HSRP Configuration Guide 176
Your Chapter Notes 176
Chapter 10 LAN Security Concepts 177
Introduction - 10.0 177
Why should I take this module? - 10.0.1 177
What will I learn in this module? - 10.0.2 177
Endpoint Security - 10.1 177
Network Attacks Today - 10.1.1 177
Network Security Devices - 10.1.2 178
Endpoint Protection - 10.1.3 178
Cisco Email Security Appliance - 10.1.4 179
Cisco Web Security Appliance - 10.1.5 179
Check Your Understanding - Endpoint Security 180
Access Control - 10.2 180
Authentication with a Local Password - 10.2.1 180
AAA Components - 10.2.2 181
Authentication - 10.2.3 181
Authorization - 10.2.4 181
Accounting - 10.2.5 181
802.1X - 10.2.6 182
Check Your Understanding - Access Control - 10.2.7 182
Layer 2 Security Threats 182
Layer 2 Vulnerabilities - 10.3.1 182
Switch Attack Categories - 10.3.2 183
Switch Attack Mitigation Techniques - 10.3.3 183
Check Your Understanding - Layer 2 Security Threats - 10.3.4 184
MAC Address Table Attack - 10.4 184
Switch Operation Review - 10.4.1 184
MAC Address Table Flooding - 10.4.2 184
MAC Address Table Attack Mitigation - 10.4.3 185
Check Your Understanding - MAC Address Table Attacks - 10.4.4 186
LAN Attacks - 10.5 186
Video - VLAN and DHCP Attacks - 10.5.1 186
VLAN Hopping Attacks - 10.5.2 186
VLAN Double-Tagging Attack - 10.5.3 186
DHCP Messages - 10.5.4 187
DHCP Attacks - 10.5.5 187
Video - ARP Attacks, STP Attacks, and CDP Reconnaissance - 10.5.6 188
ARP Attacks - 10.5.7 188
Address Spoofing Attack - 10.5.8 189
STP Attack - 10.5.9 190
CDP Reconnaissance - 10.5.10 190
Check Your Understanding - LAN Attacks - 10.5.11 191
Module Practice and Quiz - 10.6 191
What did I learn in this module? - 10.6.1 191
Chapter Quiz - LAN Security Concepts 193
Your Chapter Notes 193
Chapter 11 Switch Security Configuration 195
Introduction - 11.0 195
Why should I take this module? - 11.0.1 195
What will I learn in this module? - 11.0.2 195
Implement Port Security - 11.1 195
Secure Unused Ports - 11.1.1 195
Mitigate MAC Address Table Attacks - 11.1.2 196
Enable Port Security - 11.1.3 196
Limit and Learn MAC Addresses - 11.1.4 198
Port Security Aging - 11.1.5 200
Port Security Violation Modes - 11.1.6 201
Ports in error-disabled State - 11.1.7 202
Verify Port Security - 11.1.8 203
Syntax Checker - Implement Port Security - 11.1.9 205
Packet Tracer - Implement Port Security 205
Mitigate VLAN Attacks - 11.2 206
VLAN Attacks Review - 11.2.1 206
Steps to Mitigate VLAN Hopping Attacks - 11.2.2 206
Syntax Checker - Mitigate VLAN Hopping Attacks - 11.2.3 207
Mitigate DHCP Attacks - 11.3 207
DHCP Attack Review - 11.3.1 207
DHCP Snooping - 11.3.2 207
Steps to Implement DHCP Snooping - 11.3.3 208
DHCP Snooping Configuration Example - 11.3.4 208
Syntax Checker - Mitigate DHCP Attacks - 11.3.5 209
Mitigate ARP Attacks - 11.4 210
Dynamic ARP Inspection - 11.4.1 210
DAI Implementation Guidelines - 11.4.2 210
DAI Configuration Example - 11.4.3 210
Syntax Checker - Mitigate ARP Attacks - 11.4.4 211
Mitigate STP Attacks - 11.5 211
PortFast and BPDU Guard - 11.5.1 211
Configure PortFast - 11.5.2 212
Configure BPDU Guard - 11.5.3 213
Syntax Checker - Mitigate STP Attacks - 11.5.4 214
Module Practice and Quiz - 11.6 214
Packet Tracer - Switch Security Configuration - 11.6.1 214
Lab - Switch Security Configuration - 11.6.2 215
What did I learn in this module? - 11.6.3 215
Chapter Quiz - Switch Security Configuration 217
Your Chapter Notes 217
Chapter 12 WLAN Concepts 219
Introduction - 12.0 219
Why should I take this module? - 12.0.1 219
What will I learn in this module? - 12.0.2 219
Introduction to Wireless - 12.1 219
Benefits of Wireless - 12.1.1 219
Types of Wireless Networks - 12.1.2 220
Wireless Technologies - 12.1.3 220
802.11 Standards - 12.1.4 221
Radio Frequencies - 12.1.5 222
Wireless Standards Organizations - 12.1.6 223
Check Your Understanding - Introduction to Wireless - 12.1.7 223
WLAN Components - 12.2 223
Video - WLAN Components - 12.2.1 223
Wireless NICs - 12.2.2 223
Wireless Home Router - 12.2.3 224
Wireless Access Points - 12.2.4 224
AP Categories - 12.2.5 224
Wireless Antennas - 12.2.6 225
Check Your Understanding - WLAN Components - 12.2.7 226
WLAN Operation - 12.3 226
Video - WLAN Operation - 12.3.1 226
802.11 Wireless Topology Modes - 12.3.2 226
BSS and ESS - 12.3.3 226
802.11 Frame Structure - 12.3.4 227
CSMA/CA - 12.3.5 227
Wireless Client and AP Association - 12.3.6 228
Passive and Active Discover Mode - 12.3.7 229
Check Your Understanding - WLAN Operation - 12.3.8 229
CAPWAP Operation - 12.4 229
Video - CAPWAP - 12.4.1 229
Introduction to CAPWAP - 12.4.2 229
Split MAC Architecture - 12.4.3 230
DTLS Encryption - 12.4.4 230
FlexConnect APs - 12.4.5 230
Check Your Understanding - CAPWAP Operation - 12.4.6 231
Channel Management - 12.5 231
Frequency Channel Saturation - 12.5.1 231
Channel Selection - 12.5.2 231
Plan a WLAN Deployment - 12.5.3 232
Check Your Understanding - Channel Management - 12.5.4 233
WLAN Threats - 12.6 233
Video - WLAN Threats - 12.6.1 233
Wireless Security Overview - 12.6.2 233
DoS Attacks - 12.6.3 233
Rogue Access Points - 12.6.4 234
Man-in-the-Middle Attack - 12.6.5 234
Check Your Understanding - WLAN Threats - 12.6.6 234
Secure WLANs - 12.7 234
Video - Secure WLANs - 12.7.1 234
SSID Cloaking and MAC Address Filtering - 12.7.2 235
802.11 Original Authentication Methods - 12.7.3 235
Shared Key Authentication Methods - 12.7.4 235
Authenticating a Home User - 12.7.5 236
Encryption Methods - 12.7.6 236
Authentication in the Enterprise - 12.7.7 237
WPA3 - 12.7.8 237
Check Your Understanding - Secure WLANs - 12.7.9 238
Module Practice and Quiz - 12.8 238
What did I learn in this module? - 12.8.1 238
Chapter Quiz - WLAN Concepts 241
Your Chapter Notes 241
Chapter 13 WLAN Configuration 243
Introduction - 13.0 243
Why should I take this module? - 13.0.1 243
What will I learn to do in this module? - 13.0.2 243
Remote Site WLAN Configuration - 13.1 243
Video - Configure a Wireless Network - 13.1.1 243
The Wireless Router - 13.1.2 244
Log in to the Wireless Router - 13.1.3 244
Basic Network Setup - 13.1.4 244
Basic Wireless Setup - 13.1.5 245
Configure a Wireless Mesh Network - 13.1.6 247
NAT for IPv4 - 13.1.7 247
Quality of Service - 13.1.8 247
Port Forwarding - 13.1.9 248
Packet Tracer - Configure a Wireless Network - 13.1.10 248
Lab - Configure a Wireless Network - 13.1.11 248
Configure a Basic WLAN on the WLC - 13.2 248
Video - Configure a Basic WLAN on the WLC - 13.2.1 248
WLC Topology - 13.2.2 249
Log in to the WLC - 13.2.3 249
View AP Information - 13.2.4 249
Advanced Settings - 13.2.5 250
Configure a WLAN - 13.2.6 250
Packet Tracer - Configure a Basic WLAN on the WLC - 13.2.7 252
Configure a WPA2 Enterprise WLAN on the WLC - 13.3 252
Video - Define an SNMP and RADIUS Server on the WLC - 13.3.1 252
SNMP and RADIUS - 13.3.2 252
Configure SNMP Server Information - 13.3.3 253
Configure RADIUS Server Information - 13.3.4 253
Video - Configure a VLAN for a New WLAN - 13.3.5 253
Topology with VLAN 5 Addressing - 13.3.6 253
Configure a New Interface - 13.3.7 254
Video - Configure a DHCP Scope - 13.3.8 255
Configure a DHCP Scope - 13.3.9 255
Video - Configure a WPA2 Enterprise WLAN - 13.3.10 256
Configure a WPA2 Enterprise WLAN - 13.3.11 256
Packet Tracer - Configure a WPA2 Enterprise WLAN on the WLC - 13.3.12 257
Troubleshoot WLAN Issues - 13.4 257
Troubleshooting Approaches - 13.4.1 257
Wireless Client Not Connecting - 13.4.2 258
Troubleshooting When the Network Is Slow - 13.4.3 259
Updating Firmware - 13.4.4 259
Packet Tracer - Troubleshoot WLAN Issues - 13.4.5 260
Module Practice and Summary - 13.5 260
Packet Tracer - WLAN Configuration - 13.5.1 260
What did I learn in this module? - 13.5.2 260
Chapter Quiz - WLAN Configuration 262
Your Chapter Notes 262
Chapter 14 Routing Concepts 263
Introduction - 14.0 263
Why should I take this module? - 14.0.1 263
What will I learn to do in this module? - 14.0.2 263
Path Determination - 14.1 263
Two Functions of Router - 14.1.1 263
Router Functions Example - 14.1.2 264
Best Path Equals Longest Match - 14.1.3 264
IPv4 Address Longest Match Example - 14.1.4 264
IPv6 Address Longest Match Example - 14.1.5 265
Build the Routing Table - 14.1.6 265
Check Your Understanding - Path Determination - 14.1.7 266
Packet Forwarding - 14.2 266
Packet Forwarding Decision Process - 14.2.1 266
End-to-End Packet Forwarding - 14.2.2 267
Packet Forwarding Mechanisms - 14.2.3 268
Check Your Understanding - Packet Forwarding - 14.2.4 269
Basic Router Configuration Review - 14.3 269
Topology - 14.3.1 269
Configuration Commands - 14.3.2 269
Verification Commands - 14.3.3 271
Filter Command Output - 14.3.4 276
Packet Tracer - Basic Router Configuration Review - 14.3.5 278
IP Routing Table - 14.4 278
Route Sources - 14.4.1 278
Routing Table Principles - 14.4.2 280
Routing Table Entries - 14.4.3 281
Directly Connected Networks - 14.4.4 281
Static Routes - 14.4.5 282
Static Routes in the IP Routing Table - 14.4.6 282
Dynamic Routing Protocols - 14.4.7 283
Dynamic Routes in the IP Routing Table - 14.4.8 283
Default Route - 14.4.9 284
Structure of an IPv4 Routing Table - 14.4.10 285
Structure of an IPv6 Routing Table - 14.4.11 286
Administrative Distance - 14.4.12 287
Check Your Understanding - IP Routing Table - 14.4.13 288
Static and Dynamic Routing - 14.5 288
Static or Dynamic? - 14.5.1 288
Dynamic Routing Evolution - 14.5.2 289
Dynamic Routing Protocol Concepts - 14.5.3 290
Best Path - 14.5.4 291
Load Balancing - 14.5.5 291
Check Your Understanding - Dynamic and Static Routing - 14.5.6 292
Module Practice and Quiz - 14.6 292
What did I learn in this module? - 14.6.1 292
Chapter Quiz - Routing Concepts 295
Your Chapter Notes 295
Chapter 15 IP Static Routing 297
Introduction - 15.0 297
Why should I take this module? - 15.0.1 297
What will I learn to do in this module? - 15.0.2 297
Static Routes - 15.1 297
Types of Static Routes - 15.1.1 297
Next-Hop Options - 15.1.2 298
IPv4 Static Route Command - 15.1.3 298
IPv6 Static Route Command - 15.1.4 299
Dual-Stack Topology - 15.1.5 300
IPv4 Starting Routing Tables - 15.1.6 300
IPv6 Starting Routing Tables - 15.1.7 301
Check Your Understanding - Static Routes - 15.1.8 303
Configure IP Static Routes - 15.2 303
IPv4 Next-Hop Static Route - 15.2.1 303
IPv6 Next-Hop Static Route - 15.2.2 304
IPv4 Directly Connected Static Route - 15.2.3 305
IPv6 Directly Connected Static Route - 15.2.4 306
IPv4 Fully Specified Static Route - 15.2.5 307
IPv6 Fully Specified Static Route - 15.2.6 308
Verify a Static Route - 15.2.7 308
Syntax Checker - Configure Static Routes - 15.2.8 310
Configure IP Default Static Routes - 15.3 311
Default Static Route - 15.3.1 311
Configure a Default Static Route - 15.3.2 311
Verify a Default Static Route - 15.3.3 312
Syntax Checker - Configure Default Static Routes - 15.3.4 313
Configure Floating Static Routes - 15.4 313
Floating Static Routes - 15.4.1 313
Configure IPv4 and IPv6 Floating Static Routes - 15.4.2 314
Test the Floating Static Route - 15.4.3 315
Syntax Checker - Configure Floating Static Route - 15.4.4 316
Configure Static Host Routes - 15.5 316
Host Routes - 15.5.1 316
Automatically Installed Host Routes - 15.5.2 316
Static Host Routes - 15.5.3 317
Configure Static Host Routes - 15.5.4 317
Verify Static Host Routes - 15.5.5 317
Configure IPv6 Static Host Route with Link-Local Next-Hop - 15.5.6 318
Syntax Checker - Configure Static Host Routes - 15.5.7 318
Module Practice and Quiz - 15.6 318
Packet Tracer - Configure IPv4 and IPv6 Static and Default Routes - 15.6.1 318
Lab - Configure IPv4 and IPv6 Static and Default Routes - 15.6.2 318
What did I learn in this module? - 15.6.3 319
Chapter Quiz - IP Static Routing 321
Your Chapter Notes 321
Chapter 16 Troubleshoot Static and Default Routes 323
Introduction - 16.0 323
Why should I take this module? - 16.0.1 323
What will I learn to do in this module? - 16.0.2 323
Packet Processing with Statics Routes - 16.1 323
Static Routes and Packet Forwarding - 16.1.1 323
Check Your Understanding - Packet Processing with Static Routes - 16.1.2 324
Troubleshoot IPv4 Static and Default Route Configuration - 16.2 324
Network Changes - 16.2.1 324
Common Troubleshooting Commands - 16.2.2 324
Solve a Connectivity Problem - 16.2.3 326
Syntax Checker - Troubleshoot IPv4 Static and Default Routes - 16.2.4 329
Module Practice and Quiz - 16.3 329
Packet Tracer - Troubleshoot Static and Default Routes - 16.3.1 329
Lab - Troubleshoot Static and Default Routes - 16.3.2 330
What did I learn in this module? - 16.3.3 330
Chapter Quiz - Troubleshoot Static and Default Routes 332
Your Chapter Notes 332
9780136634720 TOC 6/25/2020
Chapter 1 Basic Device Configuration 1
Introduction - 1.0 1
Why should I take this module? - 1.0.1 1
What will I learn to do in this module? - 1.0.2 1
Configure a Switch with Initial Settings - 1.1 1
Switch Boot Sequence - 1.1.1 1
The boot system Command - 1.1.2 2
Switch LED Indicators - 1.1.3 2
Recovering from a System Crash - 1.1.4 4
Switch Management Access - 1.1.5 5
Switch SVI Configuration Example - 1.1.6 5
Lab: Basic Switch Configuration - 1.1.7 6
Configure Switch Ports - 1.2 7
Duplex Communication - 1.2.1 7
Configure Switch Ports at the Physical Layer - 1.2.2 7
Auto-MDIX - 1.2.3 8
Switch Verification Commands - 1.2.4 9
Verify Switch Port Configuration - 1.2.5 9
Network Access Layer Issues - 1.2.6 10
Interface Input and Output Errors - 1.2.7 12
Troubleshooting Network Access Layer Issues - 1.2.8 13
Syntax Checker - Configure Switch Ports - 1.2.9 13
Secure Remote Access - 1.3 13
Telnet Operation - 1.3.1 13
SSH Operation - 1.3.2 14
Verify the Switch Supports SSH - 1.3.3 14
Configure SSH - 1.3.4 14
Verify SSH is Operational - 1.3.5 16
Packet Tracer - Configure SSH - 1.3.6 16
Basic Router Configuration - 1.4 17
Configure Basic Router Settings - 1.4.1 17
Syntax Checker - Configure Basic Router Settings - 1.4.2 18
Dual Stack Topology - 1.4.3 18
Configure Router Interfaces - 1.4.4 18
Syntax Checker - Configure Router Interfaces - 1.4.5 19
IPv4 Loopback Interfaces - 1.4.6 19
Packet Tracer - Configure Router Interfaces - 1.4.7 20
Verify Directly Connected Networks - 1.5 20
Interface Verification Commands - 1.5.1 20
Verify Interface Status - 1.5.2 20
Verify IPv6 Link Local and Multicast Addresses - 1.5.3 21
Verify Interface Configuration - 1.5.4 22
Verify Routes - 1.5.5 22
Filter Show Command Output - 1.5.6 24
Syntax Checker - Filter Show Command Output - 1.5.7 26
Command History Feature - 1.5.8 26
Syntax Checker - Command History Features - 1.5.9 26
Packet Tracer - Verify Directly Connected Networks - 1.5.10 26
Check Your Understanding - Verify Directly Connected Networks - 1.5.11 27
Module Practice and Quiz - 1.6 27
Packet Tracer - Implement a Small Network - 1.6.1 27
Lab - Configure Basic Router Settings - 1.6.2 27
What did I learn in this module? - 1.6.3 27
Chapter Quiz - Basic Device Configuration 29
Your Chapter Notes 29
Chapter 2 Switching Concepts 31
Introduction - 2.0 31
Why should I take this module? - 2.0.1 31
What will I learn to do in this module? - 2.0.2 31
Frame Forwarding - 2.1 31
Switching in Networking - 2.1.1 31
The Switch MAC Address Table - 2.1.2 32
The Switch Learn and Forward Method - 2.1.3 32
Video - MAC Address Tables on Connected Switches - 2.1.4 33
Switching Forwarding Methods - 2.1.5 33
Store-and-Forward Switching - 2.1.6 33
Cut-Through Switching - 2.1.7 33
Activity - Switch It! 34
Switching Domains - 2.2 34
Collision Domains - 2.2.1 34
Broadcast Domains - 2.2.2 34
Alleviate Network Congestion - 2.2.3 35
Check Your Understanding - Switching Domains - 2.2.4 36
Module Practice and Quiz - 2.3 36
What did I learn in this module? - 2.3.1 36
Chapter Quiz - Switching Concepts 37
Your Chapter Notes 37
Chapter 3 VLANs 39
Introduction - 3.0 39
Why should I take this module? - 3.0.1 39
What will I learn to do in this module? - 3.0.2 39
Overview of VLANs - 3.1 39
VLAN Definitions - 3.1.1 39
Benefits of a VLAN Design - 3.1.2 40
Types of VLANs - 3.1.3 41
Packet Tracer - Who Hears the Broadcast? - 3.1.4 43
Check Your Understanding - Overview of VLANs - 3.1.5 43
VLANs in a Multi-Switched Environment - 3.2 43
Defining VLAN Trunks - 3.2.1 43
Network without VLANs - 3.2.2 43
Network with VLANs - 3.2.3 43
VLAN Identification with a Tag - 3.2.4 44
Native VLANs and 802.1Q Tagging - 3.2.5 44
Voice VLAN Tagging - 3.2.6 45
Voice VLAN Verification Example - 3.2.7 46
Packet Tracer - Investigate a VLAN Implementation - 3.2.8 46
Check Your Understanding - VLANs in a Multi-Switch Environment - 3.2.9 46
VLAN Configuration - 3.3 46
VLAN Ranges on Catalyst Switches - 3.3.1 46
VLAN Creation Commands - 3.3.2 48
VLAN Creation Example - 3.3.3 48
VLAN Port Assignment Commands - 3.3.4 48
VLAN Port Assignment Example - 3.3.5 49
Data and Voice VLANs - 3.3.6 49
Data and Voice VLAN Example - 3.3.7 49
Verify VLAN Information - 3.3.8 50
Change VLAN Port Membership - 3.3.9 51
Delete VLANs - 3.3.10 52
Syntax Checker - VLAN Configuration - 3.3.11 53
Packet Tracer - VLAN Configuration - 3.3.12 53
VLAN Trunks - 3.4 53
Trunk Configuration Commands - 3.4.1 53
Trunk Configuration Example - 3.4.2 54
Verify Trunk Configuration - 3.4.3 54
Reset the Trunk to the Default State - 3.4.4 55
Packet Tracer - Configure Trunks - 3.4.5 56
Lab - Configure VLANs and Trunking - 3.4.6 57
Dynamic Trunking Protocol - 3.5 57
Introduction to DTP - 3.5.1 57
Negotiated Interface Modes - 3.5.2 58
Results of a DTP Configuration - 3.5.3 58
Verify DTP Mode - 3.5.4 59
Packet Tracer - Configure DTP - 3.5.5 59
Check Your Understanding - Dynamic Trunking Protocol - 3.5.6 59
Module Practice and Quiz - 3.6 59
Packet Tracer - Implement VLANs and Trunking - 3.6.1 59
Lab - Implement VLANs and Trunking - 3.6.2 60
What did I learn in this module? - 3.6.3 60
Chapter Quiz - VLANs 62
Your Chapter Notes 62
Chapter 4 Inter-VLAN Routing 63
Introduction - 4.0 63
Why should I take this module? - 4.0.1 63
What will I learn to do in this module? - 4.0.2 63
Inter-VLAN Routing Operation - 4.1 63
What is Inter-VLAN Routing? - 4.1.1 63
Legacy Inter-VLAN Routing - 4.1.2 64
Router-on-a-Stick Inter-VLAN Routing - 4.1.3 64
Inter-VLAN Routing on a Layer 3 Switch - 4.1.4 65
Check Your Understanding - Inter-VLAN Routing Operation - 4.1.5 66
Router-on-a-Stick Inter-VLAN Routing - 4.2 66
Router-on-a-Stick Scenario - 4.2.1 66
S1 VLAN and Trunking Configuration - 4.2.2 66
S2 VLAN and Trunking Configuration - 4.2.3 68
R1 Subinterface Configuration - 4.2.4 69
Verify Connectivity Between PC1 and PC2 - 4.2.5 70
Router-on-a-Stick Inter-VLAN Routing Verification - 4.2.6 71
Packet Tracer - Configure Router-on-a-Stick Inter-VLAN Routing - 4.2.7 73
Lab - Configure Router-on-a-Stick Inter-VLAN Routing - 4.2.8 74
Inter-VLAN Routing using Layer 3 Switches - 4.3 74
Layer 3 Switch Inter-VLAN Routing - 4.3.1 74
Layer 3 Switch Scenario - 4.3.2 74
Layer 3 Switch Configuration - 4.3.3 75
Layer 3 Switch Inter-VLAN Routing Verification - 4.3.4 76
Routing on a Layer 3 Switch - 4.3.5 77
Routing Scenario on a Layer 3 Switch - 4.3.6 77
Routing Configuration on a Layer 3 Switch - 4.3.7 77
Packet Tracer - Configure Layer 3 Switching and Inter-VLAN Routing - 4.3.8 80
Troubleshoot Inter-VLAN Routing - 4.4 80
Common Inter-VLAN Issues - 4.4.1 80
Troubleshoot Inter-VLAN Routing Scenario - 4.4.2 81
Missing VLANs - 4.4.3 81
Switch Trunk Port Issues - 4.4.4 84
Switch Access Port Issues - 4.4.5 85
Router Configuration Issues - 4.4.6 87
Check Your Understanding - Troubleshoot Inter-VLAN Routing - 4.4.7 89
Packet Tracer - Troubleshoot Inter-VLAN Routing - 4.4.8 89
Lab - Troubleshoot Inter-VLAN Routing - 4.4.9 89
Module Practice and Quiz - 4.5 89
Packet Tracer - Inter-VLAN Routing Challenge - 4.5.1 89
Lab - Implement Inter-VLAN Routing - 4.5.2 89
What did I learn in this module? - 4.5.3 89
Chapter Quiz - Inter-VLAN Routing 92
Your Chapter Notes 92
Chapter 5 STP Concepts 93
Introduction - 5.0 93
Why should I take this module? - 5.0.1 93
What will I learn to do in this module? - 5.0.2 93
Purpose of STP - 5.1 94
Redundancy in Layer 2 Switched Networks - 5.1.1 94
Spanning Tree Protocol - 5.1.2 94
STP Recalculation - 5.1.3 94
Issues with Redundant Switch Links - 5.1.4 94
Layer 2 Loops - 5.1.5 94
Broadcast Storm - 5.1.6 95
The Spanning Tree Algorithm - 5.1.7 95
Video - Observe STP Operation - 5.1.8 97
Packet Tracer - Investigate STP Loop Prevention - 5.1.9 97
Check Your Understanding - Purpose of STP - 5.1.10 97
STP Operations - 5.2 97
Steps to a Loop-Free Topology - 5.2.1 97
1. Elect the Root Bridge - 5.2.2 98
Impact of Default BIDs - 5.2.3 98
Determine the Root Path Cost - 5.2.4 99
2. Elect the Root Ports - 5.2.5 99
3. Elect Designated Ports - 5.2.6 100
4. Elect Alternate (Blocked) Ports - 5.2.7 100
Elect a Root Port from Multiple Equal-Cost Paths - 5.2.8 100
STP Timers and Port States - 5.2.9 101
Operational Details of Each Port State - 5.2.10 102
Per-VLAN Spanning Tree - 5.2.11 103
Check Your Understanding - STP Operations - 5.2.12 103
Evolution of STP - 5.3 103
Different Versions of STP - 5.3.1 103
RSTP Concepts - 5.3.2 104
RSTP Port States and Port Roles - 5.3.3 104
PortFast and BPDU Guard - 5.3.4 105
Alternatives to STP - 5.3.5 105
Check Your Understanding - Evolution of STP - 5.3.6 106
Module Practice and Quiz - 5.4 106
What did I learn in this module? - 5.4.1 106
Chapter Quiz - STP Concepts 109
Your Chapter Notes 109
Chapter 6 EtherChannel 111
Introduction - 6.0 111
Why should I take this module? - 6.0.1 111
What will I learn to do in this module? - 6.0.2 111
EtherChannel Operation - 6.1 111
Link Aggregation - 6.1.1 111
EtherChannel - 6.1.2 112
Advantages of EtherChannel - 6.1.3 112
Implementation Restrictions - 6.1.4 112
AutoNegotiation Protocols - 6.1.5 113
PAgP Operation - 6.1.6 113
PAgP Mode Settings Example - 6.1.7 114
LACP Operation - 6.1.8 114
LACP Mode Settings Example - 6.1.9 115
Check Your Understanding - EtherChannel Operation 116
Configure EtherChannel - 6.2 116
Configuration Guidelines - 6.2.1 116
LACP Configuration Example - 6.2.2 116
Syntax Checker - Configure EtherChannel - 6.2.3 117
Packet Tracer - Configure EtherChannel 117
Verify and Troubleshoot EtherChannel - 6.3 117
Verify EtherChannel - 6.3.1 117
Common Issues with EtherChannel Configurations - 6.3.2 120
Troubleshoot EtherChannel Example - 6.3.3 120
Packet Tracer - Troubleshoot EtherChannel - 6.3.4 123
Module Practice and Quiz - 6.4 123
Packet Tracer - Implement EtherChannel - 6.4.1 123
Lab - Implement EtherChannel - 6.4.2 124
What did I learn in this module? - 6.4.3 124
Chapter Quiz - EtherChannel 126
Your Chapter Notes 126
Chapter 7 DHCPv4 127
Introduction - 7.0 127
Why should I take this module? - 7.0.1 127
What will I learn to do in this module? - 7.0.2 127
DHCPv4 Concepts - 7.1 127
DHCPv4 Server and Client - 7.1.1 127
DHCPv4 Operation - 7.1.2 128
Steps to Obtain a Lease - 7.1.3 128
Steps to Renew a Lease - 7.1.4 129
Check Your Understanding - DHCPv4 Concepts - 7.1.5 130
Configure a Cisco IOS DHCPv4 Server - 7.2 130
Cisco IOS DHCPv4 Server - 7.2.1 130
Steps to Configure a Cisco IOS DHCPv4 Server - 7.2.2 130
Configuration Example - 7.2.3 131
DHCPv4 Verification Commands - 7.2.4 132
Verify DHCPv4 is Operational - 7.2.5 132
Syntax Checker - Configure DHCPv4 - 7.2.6 134
Disable the Cisco IOS DHCPv4 Server - 7.2.7 134
DHCPv4 Relay - 7.2.8 135
Other Service Broadcasts Relayed - 7.2.9 137
Packet Tracer - Configure DHCPv4 - 7.2.10 137
Configure a DHCPv4 Client - 7.3 137
Cisco Router as a DHCPv4 Client - 7.3.1 137
Configuration Example - 7.3.2 138
Home Router as a DHCPv4 Client - 7.3.3 138
Syntax Checker - Configure a Cisco Router as DHCP Client - 7.3.4 138
Module Practice and Quiz - 7.4 138
Packet Tracer - Implement DHCPv4 - 7.4.1 138
Lab - Implement DHCPv4 - 7.4.2 139
What did I learn in this module? - 7.4.3 139
Chapter Quiz - DHCPv4 141
Your Chapter Notes 141
Chapter 8 SLAAC and DHCPv6 143
Introduction - 8.0 143
Welcome - 8.0.1 143
What will I learn to do in this module? - 8.0.2 143
IPv6 GUA Assignment - 8.1 143
IPv6 Host Configuration - 8.1.1 143
IPv6 Host Link-Local Address - 8.1.2 144
IPv6 GUA Assignment - 8.1.3 144
Three RA Message Flags - 8.1.4 145
Check Your Understanding - IPv6 GUA Assignment - 8.1.5 145
SLAAC - 8.2 145
SLAAC Overview - 8.2.1 145
Enabling SLAAC - 8.2.2 146
SLAAC Only Method - 8.2.3 147
ICMPv6 RS Messages - 8.2.4 147
Host Process to Generate Interface ID - 8.2.5 148
Duplicate Address Detection - 8.2.6 148
Check Your Understanding - SLAAC - 8.2.7 149
DHCPv6 - 8.3 149
DHCPv6 Operation Steps - 8.3.1 149
Stateless DHCPv6 Operation - 8.3.2 150
Enable Stateless DHCPv6 on an Interface - 8.3.3 151
Stateful DHCPv6 Operation - 8.3.4 151
Enable Stateful DHCPv6 on an Interface - 8.3.5 152
Check Your Understanding - DHCPv6 - 8.3.6 152
Configure DHCPv6 Server - 8.4 152
DHCPv6 Router Roles - 8.4.1 152
Configure a Stateless DHCPv6 Server - 8.4.2 153
Configure a Stateless DHCPv6 Client - 8.4.3 155
Configure a Stateful DHCPv6 Server - 8.4.4 157
Configure a Stateful DHCPv6 Client - 8.4.5 160
DHCPv6 Server Verification Commands - 8.4.6 162
Configure a DHCPv6 Relay Agent - 8.4.7 163
Verify the DHCPv6 Relay Agent - 8.4.8 164
Check Your Understanding - Configure DHCPv6 Server - 8.4.9 165
Module Practice and Quiz - 8.5 165
Lab - Configure DHCPv6 - 8.5.1 165
What did I learn in this module? - 8.5.2 166
Chapter Quiz - SLAAC and DHCPv6 168
Your Chapter Notes 168
Chapter 9 FHRP Concepts 169
Introduction - 9.0 169
Why should I take this module? - 9.0.1 169
What will I learn to do in this module? - 9.0.2 169
First Hop Redundancy Protocols - 9.1 169
Default Gateway Limitations - 9.1.1 169
Router Redundancy - 9.1.2 170
Steps for Router Failover - 9.1.3 171
FHRP Options - 9.1.4 171
Check Your Understanding - First Hop Redundancy Protocols - 9.1.5 172
HSRP - 9.2 172
HSRP Overview - 9.2.1 172
HSRP Priority and Preemption - 9.2.2 172
HSRP States and Timers - 9.2.3 173
Check Your Understanding - 9.2.4 174
Module Practice and Quiz - 9.3 174
What did I learn in this module? - 9.3.1 174
Chapter Quiz - FHRP Concepts 176
Packet Tracer - HSRP Configuration Guide 176
Your Chapter Notes 176
Chapter 10 LAN Security Concepts 177
Introduction - 10.0 177
Why should I take this module? - 10.0.1 177
What will I learn in this module? - 10.0.2 177
Endpoint Security - 10.1 177
Network Attacks Today - 10.1.1 177
Network Security Devices - 10.1.2 178
Endpoint Protection - 10.1.3 178
Cisco Email Security Appliance - 10.1.4 179
Cisco Web Security Appliance - 10.1.5 179
Check Your Understanding - Endpoint Security 180
Access Control - 10.2 180
Authentication with a Local Password - 10.2.1 180
AAA Components - 10.2.2 181
Authentication - 10.2.3 181
Authorization - 10.2.4 181
Accounting - 10.2.5 181
802.1X - 10.2.6 182
Check Your Understanding - Access Control - 10.2.7 182
Layer 2 Security Threats 182
Layer 2 Vulnerabilities - 10.3.1 182
Switch Attack Categories - 10.3.2 183
Switch Attack Mitigation Techniques - 10.3.3 183
Check Your Understanding - Layer 2 Security Threats - 10.3.4 184
MAC Address Table Attack - 10.4 184
Switch Operation Review - 10.4.1 184
MAC Address Table Flooding - 10.4.2 184
MAC Address Table Attack Mitigation - 10.4.3 185
Check Your Understanding - MAC Address Table Attacks - 10.4.4 186
LAN Attacks - 10.5 186
Video - VLAN and DHCP Attacks - 10.5.1 186
VLAN Hopping Attacks - 10.5.2 186
VLAN Double-Tagging Attack - 10.5.3 186
DHCP Messages - 10.5.4 187
DHCP Attacks - 10.5.5 187
Video - ARP Attacks, STP Attacks, and CDP Reconnaissance - 10.5.6 188
ARP Attacks - 10.5.7 188
Address Spoofing Attack - 10.5.8 189
STP Attack - 10.5.9 190
CDP Reconnaissance - 10.5.10 190
Check Your Understanding - LAN Attacks - 10.5.11 191
Module Practice and Quiz - 10.6 191
What did I learn in this module? - 10.6.1 191
Chapter Quiz - LAN Security Concepts 193
Your Chapter Notes 193
Chapter 11 Switch Security Configuration 195
Introduction - 11.0 195
Why should I take this module? - 11.0.1 195
What will I learn in this module? - 11.0.2 195
Implement Port Security - 11.1 195
Secure Unused Ports - 11.1.1 195
Mitigate MAC Address Table Attacks - 11.1.2 196
Enable Port Security - 11.1.3 196
Limit and Learn MAC Addresses - 11.1.4 198
Port Security Aging - 11.1.5 200
Port Security Violation Modes - 11.1.6 201
Ports in error-disabled State - 11.1.7 202
Verify Port Security - 11.1.8 203
Syntax Checker - Implement Port Security - 11.1.9 205
Packet Tracer - Implement Port Security 205
Mitigate VLAN Attacks - 11.2 206
VLAN Attacks Review - 11.2.1 206
Steps to Mitigate VLAN Hopping Attacks - 11.2.2 206
Syntax Checker - Mitigate VLAN Hopping Attacks - 11.2.3 207
Mitigate DHCP Attacks - 11.3 207
DHCP Attack Review - 11.3.1 207
DHCP Snooping - 11.3.2 207
Steps to Implement DHCP Snooping - 11.3.3 208
DHCP Snooping Configuration Example - 11.3.4 208
Syntax Checker - Mitigate DHCP Attacks - 11.3.5 209
Mitigate ARP Attacks - 11.4 210
Dynamic ARP Inspection - 11.4.1 210
DAI Implementation Guidelines - 11.4.2 210
DAI Configuration Example - 11.4.3 210
Syntax Checker - Mitigate ARP Attacks - 11.4.4 211
Mitigate STP Attacks - 11.5 211
PortFast and BPDU Guard - 11.5.1 211
Configure PortFast - 11.5.2 212
Configure BPDU Guard - 11.5.3 213
Syntax Checker - Mitigate STP Attacks - 11.5.4 214
Module Practice and Quiz - 11.6 214
Packet Tracer - Switch Security Configuration - 11.6.1 214
Lab - Switch Security Configuration - 11.6.2 215
What did I learn in this module? - 11.6.3 215
Chapter Quiz - Switch Security Configuration 217
Your Chapter Notes 217
Chapter 12 WLAN Concepts 219
Introduction - 12.0 219
Why should I take this module? - 12.0.1 219
What will I learn in this module? - 12.0.2 219
Introduction to Wireless - 12.1 219
Benefits of Wireless - 12.1.1 219
Types of Wireless Networks - 12.1.2 220
Wireless Technologies - 12.1.3 220
802.11 Standards - 12.1.4 221
Radio Frequencies - 12.1.5 222
Wireless Standards Organizations - 12.1.6 223
Check Your Understanding - Introduction to Wireless - 12.1.7 223
WLAN Components - 12.2 223
Video - WLAN Components - 12.2.1 223
Wireless NICs - 12.2.2 223
Wireless Home Router - 12.2.3 224
Wireless Access Points - 12.2.4 224
AP Categories - 12.2.5 224
Wireless Antennas - 12.2.6 225
Check Your Understanding - WLAN Components - 12.2.7 226
WLAN Operation - 12.3 226
Video - WLAN Operation - 12.3.1 226
802.11 Wireless Topology Modes - 12.3.2 226
BSS and ESS - 12.3.3 226
802.11 Frame Structure - 12.3.4 227
CSMA/CA - 12.3.5 227
Wireless Client and AP Association - 12.3.6 228
Passive and Active Discover Mode - 12.3.7 229
Check Your Understanding - WLAN Operation - 12.3.8 229
CAPWAP Operation - 12.4 229
Video - CAPWAP - 12.4.1 229
Introduction to CAPWAP - 12.4.2 229
Split MAC Architecture - 12.4.3 230
DTLS Encryption - 12.4.4 230
FlexConnect APs - 12.4.5 230
Check Your Understanding - CAPWAP Operation - 12.4.6 231
Channel Management - 12.5 231
Frequency Channel Saturation - 12.5.1 231
Channel Selection - 12.5.2 231
Plan a WLAN Deployment - 12.5.3 232
Check Your Understanding - Channel Management - 12.5.4 233
WLAN Threats - 12.6 233
Video - WLAN Threats - 12.6.1 233
Wireless Security Overview - 12.6.2 233
DoS Attacks - 12.6.3 233
Rogue Access Points - 12.6.4 234
Man-in-the-Middle Attack - 12.6.5 234
Check Your Understanding - WLAN Threats - 12.6.6 234
Secure WLANs - 12.7 234
Video - Secure WLANs - 12.7.1 234
SSID Cloaking and MAC Address Filtering - 12.7.2 235
802.11 Original Authentication Methods - 12.7.3 235
Shared Key Authentication Methods - 12.7.4 235
Authenticating a Home User - 12.7.5 236
Encryption Methods - 12.7.6 236
Authentication in the Enterprise - 12.7.7 237
WPA3 - 12.7.8 237
Check Your Understanding - Secure WLANs - 12.7.9 238
Module Practice and Quiz - 12.8 238
What did I learn in this module? - 12.8.1 238
Chapter Quiz - WLAN Concepts 241
Your Chapter Notes 241
Chapter 13 WLAN Configuration 243
Introduction - 13.0 243
Why should I take this module? - 13.0.1 243
What will I learn to do in this module? - 13.0.2 243
Remote Site WLAN Configuration - 13.1 243
Video - Configure a Wireless Network - 13.1.1 243
The Wireless Router - 13.1.2 244
Log in to the Wireless Router - 13.1.3 244
Basic Network Setup - 13.1.4 244
Basic Wireless Setup - 13.1.5 245
Configure a Wireless Mesh Network - 13.1.6 247
NAT for IPv4 - 13.1.7 247
Quality of Service - 13.1.8 247
Port Forwarding - 13.1.9 248
Packet Tracer - Configure a Wireless Network - 13.1.10 248
Lab - Configure a Wireless Network - 13.1.11 248
Configure a Basic WLAN on the WLC - 13.2 248
Video - Configure a Basic WLAN on the WLC - 13.2.1 248
WLC Topology - 13.2.2 249
Log in to the WLC - 13.2.3 249
View AP Information - 13.2.4 249
Advanced Settings - 13.2.5 250
Configure a WLAN - 13.2.6 250
Packet Tracer - Configure a Basic WLAN on the WLC - 13.2.7 252
Configure a WPA2 Enterprise WLAN on the WLC - 13.3 252
Video - Define an SNMP and RADIUS Server on the WLC - 13.3.1 252
SNMP and RADIUS - 13.3.2 252
Configure SNMP Server Information - 13.3.3 253
Configure RADIUS Server Information - 13.3.4 253
Video - Configure a VLAN for a New WLAN - 13.3.5 253
Topology with VLAN 5 Addressing - 13.3.6 253
Configure a New Interface - 13.3.7 254
Video - Configure a DHCP Scope - 13.3.8 255
Configure a DHCP Scope - 13.3.9 255
Video - Configure a WPA2 Enterprise WLAN - 13.3.10 256
Configure a WPA2 Enterprise WLAN - 13.3.11 256
Packet Tracer - Configure a WPA2 Enterprise WLAN on the WLC - 13.3.12 257
Troubleshoot WLAN Issues - 13.4 257
Troubleshooting Approaches - 13.4.1 257
Wireless Client Not Connecting - 13.4.2 258
Troubleshooting When the Network Is Slow - 13.4.3 259
Updating Firmware - 13.4.4 259
Packet Tracer - Troubleshoot WLAN Issues - 13.4.5 260
Module Practice and Summary - 13.5 260
Packet Tracer - WLAN Configuration - 13.5.1 260
What did I learn in this module? - 13.5.2 260
Chapter Quiz - WLAN Configuration 262
Your Chapter Notes 262
Chapter 14 Routing Concepts 263
Introduction - 14.0 263
Why should I take this module? - 14.0.1 263
What will I learn to do in this module? - 14.0.2 263
Path Determination - 14.1 263
Two Functions of Router - 14.1.1 263
Router Functions Example - 14.1.2 264
Best Path Equals Longest Match - 14.1.3 264
IPv4 Address Longest Match Example - 14.1.4 264
IPv6 Address Longest Match Example - 14.1.5 265
Build the Routing Table - 14.1.6 265
Check Your Understanding - Path Determination - 14.1.7 266
Packet Forwarding - 14.2 266
Packet Forwarding Decision Process - 14.2.1 266
End-to-End Packet Forwarding - 14.2.2 267
Packet Forwarding Mechanisms - 14.2.3 268
Check Your Understanding - Packet Forwarding - 14.2.4 269
Basic Router Configuration Review - 14.3 269
Topology - 14.3.1 269
Configuration Commands - 14.3.2 269
Verification Commands - 14.3.3 271
Filter Command Output - 14.3.4 276
Packet Tracer - Basic Router Configuration Review - 14.3.5 278
IP Routing Table - 14.4 278
Route Sources - 14.4.1 278
Routing Table Principles - 14.4.2 280
Routing Table Entries - 14.4.3 281
Directly Connected Networks - 14.4.4 281
Static Routes - 14.4.5 282
Static Routes in the IP Routing Table - 14.4.6 282
Dynamic Routing Protocols - 14.4.7 283
Dynamic Routes in the IP Routing Table - 14.4.8 283
Default Route - 14.4.9 284
Structure of an IPv4 Routing Table - 14.4.10 285
Structure of an IPv6 Routing Table - 14.4.11 286
Administrative Distance - 14.4.12 287
Check Your Understanding - IP Routing Table - 14.4.13 288
Static and Dynamic Routing - 14.5 288
Static or Dynamic? - 14.5.1 288
Dynamic Routing Evolution - 14.5.2 289
Dynamic Routing Protocol Concepts - 14.5.3 290
Best Path - 14.5.4 291
Load Balancing - 14.5.5 291
Check Your Understanding - Dynamic and Static Routing - 14.5.6 292
Module Practice and Quiz - 14.6 292
What did I learn in this module? - 14.6.1 292
Chapter Quiz - Routing Concepts 295
Your Chapter Notes 295
Chapter 15 IP Static Routing 297
Introduction - 15.0 297
Why should I take this module? - 15.0.1 297
What will I learn to do in this module? - 15.0.2 297
Static Routes - 15.1 297
Types of Static Routes - 15.1.1 297
Next-Hop Options - 15.1.2 298
IPv4 Static Route Command - 15.1.3 298
IPv6 Static Route Command - 15.1.4 299
Dual-Stack Topology - 15.1.5 300
IPv4 Starting Routing Tables - 15.1.6 300
IPv6 Starting Routing Tables - 15.1.7 301
Check Your Understanding - Static Routes - 15.1.8 303
Configure IP Static Routes - 15.2 303
IPv4 Next-Hop Static Route - 15.2.1 303
IPv6 Next-Hop Static Route - 15.2.2 304
IPv4 Directly Connected Static Route - 15.2.3 305
IPv6 Directly Connected Static Route - 15.2.4 306
IPv4 Fully Specified Static Route - 15.2.5 307
IPv6 Fully Specified Static Route - 15.2.6 308
Verify a Static Route - 15.2.7 308
Syntax Checker - Configure Static Routes - 15.2.8 310
Configure IP Default Static Routes - 15.3 311
Default Static Route - 15.3.1 311
Configure a Default Static Route - 15.3.2 311
Verify a Default Static Route - 15.3.3 312
Syntax Checker - Configure Default Static Routes - 15.3.4 313
Configure Floating Static Routes - 15.4 313
Floating Static Routes - 15.4.1 313
Configure IPv4 and IPv6 Floating Static Routes - 15.4.2 314
Test the Floating Static Route - 15.4.3 315
Syntax Checker - Configure Floating Static Route - 15.4.4 316
Configure Static Host Routes - 15.5 316
Host Routes - 15.5.1 316
Automatically Installed Host Routes - 15.5.2 316
Static Host Routes - 15.5.3 317
Configure Static Host Routes - 15.5.4 317
Verify Static Host Routes - 15.5.5 317
Configure IPv6 Static Host Route with Link-Local Next-Hop - 15.5.6 318
Syntax Checker - Configure Static Host Routes - 15.5.7 318
Module Practice and Quiz - 15.6 318
Packet Tracer - Configure IPv4 and IPv6 Static and Default Routes - 15.6.1 318
Lab - Configure IPv4 and IPv6 Static and Default Routes - 15.6.2 318
What did I learn in this module? - 15.6.3 319
Chapter Quiz - IP Static Routing 321
Your Chapter Notes 321
Chapter 16 Troubleshoot Static and Default Routes 323
Introduction - 16.0 323
Why should I take this module? - 16.0.1 323
What will I learn to do in this module? - 16.0.2 323
Packet Processing with Statics Routes - 16.1 323
Static Routes and Packet Forwarding - 16.1.1 323
Check Your Understanding - Packet Processing with Static Routes - 16.1.2 324
Troubleshoot IPv4 Static and Default Route Configuration - 16.2 324
Network Changes - 16.2.1 324
Common Troubleshooting Commands - 16.2.2 324
Solve a Connectivity Problem - 16.2.3 326
Syntax Checker - Troubleshoot IPv4 Static and Default Routes - 16.2.4 329
Module Practice and Quiz - 16.3 329
Packet Tracer - Troubleshoot Static and Default Routes - 16.3.1 329
Lab - Troubleshoot Static and Default Routes - 16.3.2 330
What did I learn in this module? - 16.3.3 330
Chapter Quiz - Troubleshoot Static and Default Routes 332
Your Chapter Notes 332
9780136634720 TOC 6/25/2020
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