Introduction to Networks v5.0 Lab Manual

Chapter 1 – Exploring the Network ............................ 1

1.0.1.2 Class Activity – Draw Your Concept of the Internet ............................................................ 1

1.1.1.8 Lab – Researching Network Collaboration Tools ................................................................ 2

1.2.3.3 Lab – Researching Converged Network Services .............................................................. 17

1.3.1.3 Lab – Mapping the Internet ................................................................................................ 20

1.4.4.3 Lab – Researching IT and Networking Job Opportunities ................................................ 31

1.5.1.1 Class Activity – Draw Your Concept of the Internet Now ................................................. 36

Chapter 2 – Configuring a Network Operating System .................. 37

2.0.1.2 Class Activity – It Is Just an Operating System! ................................................................ 37

2.1.4.9 Lab – Establishing a Console Session with Tera Term ...................................................... 38

2.3.3.4 Lab – Building a Simple Network ..................................................................................... 49

2.3.3.5 Lab – Configuring a Switch Management Address ........................................................... 64

2.4.1.1 Class Activity – Tutor me! ................................................................................................. 72

Chapter 3 – Network Protocols and Communications .................... 74

3.0.1.2 Class Activity – Let’s just talk about this… ....................................................................... 74

3.2.3.6 Lab – Researching Networking Standards ......................................................................... 75

3.2.4.7 Lab – Researching RFCs ................................................................................................... 79

3.3.3.4 Lab – Using Wireshark to View Network Traffic .............................................................. 84

3.4.1.1 Class Activity – Guaranteed to work! .............................................................................. 104

Chapter 4 – Network Access .................................................... 106

4.0.1.2 Class Activity – Let me tell you what I heard at a conference… ..................................... 106

4.1.2.4 Lab A – Identifying Network Devices and Cabling ......................................................... 109

4.2.2.7 Lab – Building an Ethernet Crossover Cable ................................................................... 112

4.2.4.6 Lab – Viewing Wireless and Wired NIC Information ...................................................... 118

4.5.1.1 Class Activity – Linked In! .............................................................................................. 130

Chapter 5 – Ethernet ............................................................... 132

5.0.1.2 Class Activity – Join my social circle! ............................................................................. 132

5.1.3.6 Lab – Viewing Network Device MAC Addresses ............................................................ 134

5.1.4.3 Lab – Using Wireshark to Examine Ethernet Frames ...................................................... 143

5.2.1.8 Lab – Observing ARP with the Windows CLI, IOS CLI, and Wireshark ........................ 151

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5.3.1.10 Lab – Using IOS CLI with Switch MAC Address Tables .............................................. 163

5.4.1.1 Class Activity – MAC and choose… ................................................................................ 169

Chapter 6 – Network Layer ......................................................... 171

6.1.1.2 Class Activity – The road less traveled…or is it? ............................................................ 171

6.2.2.8 Lab – Viewing Host Routing Tables ................................................................................... 173

6.3.1.9 Lab – Exploring Router Physical Characteristics ............................................................ 179

6.4.3.5 Lab – Building a Switch and Router Network ................................................................. 190

6.5.1.1 Class Activity – Can you read this map? ......................................................................... 203

Chapter 7 – Transport Layer ................................................ 205

7.0.1.2 Class Activity – We Need to Talk .................................................................................... 205

7.2.1.8 Lab – Using Wireshark to Observe the TCP 3-Way Handshake ...................................... 206

7.2.3.5 Lab – Using Wireshark to Examine a UDP DNS Capture ............................................... 212

7.2.4.3 Lab – Using Wireshark to Examine FTP and TFTP Captures ......................................... 218

7.3.1.1 Class Activity – We Need to Talk, Again ......................................................................... 232

Chapter 8 – IP Addressing .......................................................... 233

8.0.1.2 Class Activity – The Internet of Everything (IoE) ........................................................... 233

8.1.2.7 Lab – Using the Windows Calculator with Network Addresses ...................................... 235

8.1.2.8 Lab – Converting IPv4 Addresses to Binary .................................................................... 242

8.1.4.8 Lab – Identifying IPv4 Addresses .................................................................................... 246

8.2.5.4 Lab – Identifying IPv6 Addresses .................................................................................... 249

8.2.5.5 Lab – Configuring IPv6 Addresses on Network Devices ................................................ 259

8.3.2.7 Lab – Testing Network Connectivity with Ping and Traceroute ...................................... 270

8.4.1.1 Class Activity – The Internet of Everything…Naturally! ................................................ 286

Chapter 9 – Subnetting IP Networks ....................................... 287

9.0.1.1 Class Activity – Call me! ................................................................................................. 287

9.1.4.8 Lab – Calculating IPv4 Subnets ....................................................................................... 288

9.1.4.9 Lab – Subnetting Network Topologies ............................................................................ 295

9.1.4.10 Lab – Researching Subnet Calculators .......................................................................... 303

9.2.1.3 Lab – Designing and Implementing a Subnetted IPv4 Addressing Scheme .................... 308

9.2.1.4 Lab – Designing and Implementing a VLSM Addressing Scheme ................................. 317

9.4.1.1 Class Activity – Can you call me now? ........................................................................... 324

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Chapter 10 – Application Layer ........................................................ 325

10.0.1.2 Class Activity – What would happen if… ...................................................................... 325

10.1.2.4 Lab – Researching Peer-to-Peer File Sharing ................................................................ 327

10.2.2.9 Lab – Observing DNS Resolution ................................................................................. 331

10.2.3.3 Lab – Exploring FTP ..................................................................................................... 336

10.4.1.1 Class Activity – Make it happen! ................................................................................... 346

Chapter 11 – It’s a Network .............................................. 348

11.0.1.2 Class Activity – Did you notice…? ................................................................................ 348

11.2.2.6 Lab – Researching Network Security Threats ............................................................... 350

11.2.4.5 Lab – Accessing Network Devices with SSH ................................................................ 355

11.2.4.6 Lab – Securing Network Devices ................................................................................... 367

11.3.2.3 Lab – Testing Network Latency with Ping and Traceroute ............................................ 376

11.4.2.6 Lab – Managing Router Configuration Files with Terminal Emulation Software ......... 381

11.4.2.7 Lab – Managing Device Configuration Files Using TFTP, Flash, and USB ................. 388

11.4.2.8 Lab – Researching Password Recovery Procedures ...................................................... 403

11.6.1.1 Class Activity – Design and Build a Small Business Network (Capstone Project) ....... 407

Appendix A — Supplemental Labs ................................... 409

0.0.0.1 Lab — Initializing and Reloading a Router and Switch .................................................... 409

0.0.0.2 Lab — Installing the IPv6 Protocol and Assigning Host

Addresses with Windows XP ......................................................................................................... 413