OSPF Network Types

• Broadcast : This network type uses 224.0.0.5 and 224.0.0.6, DR/BDR election is done between the neighbors.
• Point-to-point: This network type uses multicast address 224.0.0.5 and no DR BDR election is performed between the neighbors
• Point-to-Multipoint:  This network type uses multicast address 224.0.0.5 and no DR BDR election is performed between the neighbors. Hosts installs /32 routes for the endpoints.
• Non-Broadcast: This network type used unicast instead of multicast. Neighbors needs to be defined statically and DR/BDR elections is done.
• Point-to-Multipoint Non Broadbcast: Attributes of both Point-to-multipoint and Non-broadcast networks.