April 2023

This is Part 2 of 3 of OSPF study notes for the CCNA exam. OSPF Part 1, Basic OSPF operations, introduces the basic functions of OSPF and covers the basics of configuring single area OSPFv2. More specifically, OSPF Part 1 covers how to configure OSPF on a router, how to configure a passive interface on […]

This is Part 1 of 3 of OSPF (Open Shortest Path First) CCNA study notes. OSPF is the only dynamic routing protocol explicitly named in the CCNA exam topics list. This lesson focuses on basic OSPF operations and configurations. This lesson introduces foundational concepts related to the function, operations, and deployment of OSPF. We learn