OSPF Protocol Explain? Feature, Routing table, Areas #CCNA

It's a Open Shortest Path Protocol, also called Link-state routing protocol that is use to find best path between the source to destination by using its own Shortest Path first (SPF) Algorithm. OSPF Message:- Hello Message Database Description (DBD) Link state request (LSR) Link state Updates (LSU) Link state Acknowledgement Link state advertisement (LSA) Router ID explain OSPF Areas Define Type of OSPF Link is:- 1. Point-to-point Link 2. Transient Link 3. Stub Link 4. Virtual Link #Advance_in_net #networking #CCNA