Understanding Open Shortest Path First (OSPF), a widely used interior gateway protocol (IGP) in large enterprise networks, requires a mix of theoretical knowledge and practical experience. Here's a comprehensive guide to help you learn and understand OSPF:
### 1. **Basic Concepts of Networking**
- **Networking Fundamentals**: Understand basic networking concepts such as IP addressing, subnetting, and routing.
- **Routing Basics**: Know the


