This document discusses the configuration and operation of single-area OSPF routing. It begins with an overview of OSPF components and operations, including the use of link-state advertisements to exchange routing information. It then covers topics like configuring OSPF such as setting costs, passive interfaces, and area types. Verification techniques are provided like checking neighbors, routes, and protocol settings. OSPFv3 is also summarized, noting the similarities to and differences from OSPFv2 in areas like interface configuration and address types.