Chapter 8
IP Subnetting, Troubleshooting IP, and Introduction to NAT
THE FOLLOWING COMPTIA NETWORK+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:
✓ 1.3 Explain the concepts and characteristics of routing and switching
- NAT/PAT
- Port forwarding
✓ 1.4 Given a scenario, configure the appropriate IP addressing components
- Subnetting
- Default gateway
- Classful
- Classes A, B, C, D, and E
- Classless
- VLSM
- CIDR notation (IPv4 vs. IPv6)
This chapter’s focus will really zoom in on IP addressing to ensure that you have it nailed down tight. This is an integral aspect of networking, and it’s important to your success on the exams and as a professional, too!
We’ll start with subnetting an IP network. You’re going to have to really apply yourself because it takes time and practice in order to do subnetting correctly and quickly. So be patient and do whatever it takes to get this stuff dialed in. This chapter truly is important—possibly the most...
