In this article, we’ll discuss What is OSPF in networking and how OSPF works? We will also define its basic concepts, like why and how OSPF forms neighbors, its Pros and Cons, OSPF message format, and its packets. What is OSPF in Networking – Basic OSPF Explained OSPF, or Open Shortest Path First, is a link-state routing protocol for Internet Protocol (IP) networks. It uses the shortest path first (SPF) routing algorithm, is an Interior Gateway Protocol (IGP), and is used within Autonomous Systems (ASes). In OSPF, each router maintains a complete map of the network topology. When a change occurs in…