Episode 26: Routing Protocols — RIP, OSPF, and BGP Explained
This episode dives deeper into the most common dynamic routing protocols you’ll encounter on the exam: RIP, OSPF, and BGP. We begin with RIP, one of the oldest protocols, and explain how it uses hop count to make decisions. Then we move on to OSPF, which uses link-state information and areas to calculate the best path through a network, providing faster convergence and more scalability than RIP.
Finally, we examine BGP, the protocol that makes internet routing possible. You’ll learn how BGP uses path attributes and autonomous systems to determine the best route between providers and large networks. We discuss internal vs. external routing use cases and help you understand which protocol fits which environment. This episode lays the groundwork for protocol-specific questions on the exam and prepares you for advanced troubleshooting in live networks.
