text stringlengths 0 6.55k |
|---|
xiii |
Sending Ethernet Frames with Switches and Hubs 53 |
Sending in Modern Ethernet LANs Using Full Duplex 53 Using Half Duplex with LAN Hubs 54 |
Chapter Review 56 |
Chapter 3 Fundamentals of WANs and IP Routing 58 “Do I Know This Already?” Quiz 58 Foundation Topics 60 |
Wide-Area Networks 60 Leased-Line WANs 61 |
Physical Details of Leased Lines 61 |
HDLC Data-Link Details of Leased Lines 63 How Routers Use a WAN Data Link 64 |
Ethernet as a WAN Technology 65 |
Ethernet WANs That Create a Layer 2 Service 66 |
How Routers Route IP Packets Using Ethernet Emulation 67 IP Routing 68 |
Network Layer Routing (Forwarding) Logic 68 |
Host Forwarding Logic: Send the Packet to the Default Router 69 R1 and R2’s Logic: Routing Data Across the Network 70 |
R3’s Logic: Delivering Data to the End Destination 70 How Network Layer Routing Uses LANs and WANs 70 How IP Addressing Helps IP Routing 72 |
Rules for Groups of IP Addresses (Networks and Subnets) 73 The IP Header 73 |
How IP Routing Protocols Help IP Routing 74 Other Network Layer Features 75 |
Using Names and the Domain Name System 76 The Address Resolution Protocol 77 |
ICMP Echo and the ping Command 78 Chapter Review 79 |
Part I Review 80 |
Part II Implementing Ethernet LANs 83 |
Chapter 4 Using the Command-Line Interface 84 “Do I Know This Already?” Quiz 84 Foundation Topics 86 |
|||||||||||||||||||| |
|||||||||||||||||||| |
xiv CCNA 200-301 Official Cert Guide, Volume 1 |
Accessing the Cisco Catalyst Switch CLI 86 Cisco Catalyst Switches 86 |
Accessing the Cisco IOS CLI 87 Cabling the Console Connection 88 |
Accessing the CLI with Telnet and SSH 90 User and Enable (Privileged) Modes 91 |
Password Security for CLI Access from the Console 93 CLI Help Features 94 |
The debug and show Commands 95 Configuring Cisco IOS Software 96 |
Configuration Submodes and Contexts 97 Storing Switch Configuration Files 99 Copying and Erasing Configuration Files 101 |
Chapter Review 102 |
Chapter 5 Analyzing Ethernet LAN Switching 106 “Do I Know This Already?” Quiz 106 Foundation Topics 108 |
LAN Switching Concepts 108 Overview of Switching Logic 109 |
Forwarding Known Unicast Frames 110 Learning MAC Addresses 113 |
Flooding Unknown Unicast and Broadcast Frames 114 Avoiding Loops Using Spanning Tree Protocol 114 LAN Switching Summary 115 |
Verifying and Analyzing Ethernet Switching 116 Demonstrating MAC Learning 117 |
Switch Interfaces 118 |
Finding Entries in the MAC Address Table 120 Managing the MAC Address Table (Aging, Clearing) 121 MAC Address Tables with Multiple Switches 123 |
Chapter Review 124 |
Chapter 6 Configuring Basic Switch Management 126 “Do I Know This Already?” Quiz 126 Foundation Topics 128 |
|||||||||||||||||||| |
|||||||||||||||||||| |
xv |
Securing the Switch CLI 128 |
Securing User Mode and Privileged Mode with Simple Passwords 129 Securing User Mode Access with Local Usernames and Passwords 133 Securing User Mode Access with External Authentication Servers 135 Securing Remote Access with Secure Shell 136 |
Enabling IPv4 for Remote Access 139 Host and Switch IP Settings 140 Configuring IPv4 on a Switch 142 |
Configuring a Switch to Learn Its IP Address with DHCP 143 Verifying IPv4 on a Switch 143 |
Miscellaneous Settings Useful in the Lab 144 History Buffer Commands 144 |
The logging synchronous, exec-timeout, and no ip domain-lookup Commands 145 |
Chapter Review 146 |
Chapter 7 Configuring and Verifying Switch Interfaces 150 “Do I Know This Already?” Quiz 150 |
Foundation Topics 152 Configuring Switch Interfaces 152 |
Configuring Speed, Duplex, and Description 152 |
Configuring Multiple Interfaces with the interface range Command 154 Administratively Controlling Interface State with shutdown 155 Removing Configuration with the no Command 157 |
Autonegotiation 158 |
Autonegotiation Under Working Conditions 158 |
Autonegotiation Results When Only One Node Uses Autonegotiation 160 |
Autonegotiation and LAN Hubs 161 Analyzing Switch Interface Status and Statistics 162 |
Interface Status Codes and Reasons for Nonworking States 162 Interface Speed and Duplex Issues 163 |
Common Layer 1 Problems on Working Interfaces 166 Chapter Review 168 |
|||||||||||||||||||| |
|||||||||||||||||||| |
xvi CCNA 200-301 Official Cert Guide, Volume 1 |
Part II Review 172 |
Part III Implementing VLANs and STP 175 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.