1-11 OSPF ConfigurationOpen Shortest Path First (OSPF) is a link state interior gateway protocol developed by the OSPFworking group of the Internet Engineering Task Force (IETF). At present, OSPF version 2 (RFC 2328) isused.When configuring OSPF, go to these sections for information you are interested in:z Introduction to OSPFz OSPF Configuration Task Listz Enabling OSPFz Configuring OSPF Areasz Configuring OSPF Network Typesz Configuring OSPF Route Controlz Configuring OSPF Network Optimizationz Configuring OSPF Graceful Restartz Configuring BFD for OSPFz Displaying and Maintaining OSPFz OSPF Configuration Examplesz Troubleshooting OSPF ConfigurationThe term “router” in this document refers to a router in a generic sense or an Ethernet switch runningrouting protocols.Introduction to OSPFUnless otherwise noted, OSPF refers to OSPFv2 throughout this document.OSPF has the following features:z Wide scope: Supports networks of various sizes and up to several hundred routers in an OSPFrouting domain.z Fast convergence: Transmits updates instantly after network topology changes for routinginformation synchronization in the AS.
