OSPF Explained - Part 1 OSPF Explained - Part 2 Advanced OSPF (CCNP level) OSPF RID (Router ID) Rules Verifying and Changing The OSPF RID OSPF ABR's (Area Border Routers) OSPF ASBR's (Autonomous System Boundary Routers) OSPF Router Types OSPF Stub Areas in Action OSPF over Frame Relay OSPF Point-To-Point Networks OSPF Command Review OSPF Practice Test Questions