Copyright
Brief Table of Contents
Table of Contents
Preface
Acknowledgments
About this Book
About the Author
Chapter 1. Before you begin
1.1. Is this book for you?
1.2. How to use this book
1.2.1. The main chapters
1.2.2. Hands-on labs
1.2.3. Further exploration
1.2.4. Above and beyond
1.3. Lab considerations
1.3.1. Choosing your lab environment
1.3.2. Virtual lab considerations
1.3.3. Practicing on a live, production network
1.3.4. My recommendation for your lab environment
1.3.5. Cisco Internetwork Operating System versions
1.4. Online resources
1.5. A word on my recommendations
1.6. Being an immediately effective network administrator
Chapter 2. What is a Cisco network?
2.1. The truth about routers and switches
2.2. MAC addresses
2.3. The Ethernet frame: a big envelope
2.3.1. When everybody talks, nobody listens
2.4. Broadcast domains
2.4.1. Closing the floodgates: the MAC address table