ENARSI: OSPF Concepts

In this course you ll review OSPF concepts you should already be familiar with including commands and configuration. Then you ll learn about the roles of designated routers and backup designated routers in OSPF. You ll explore OSPF best path selection and how OSPF determines cost. Next you ll learn how OSPF virtual links can solve issues with areas that aren t directly connected to Area 0. Finally you ll examine why OSPF networks need default routes propagated through the network. This course is one of a series that prepares you for the 300-410: Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) certification exam.