There are different OSPF Packet Types which are used for different purposes. We know that OSPF routers need to perform different duties in order to route traffic. e.g. establish and maintain adjacencies, send and receive requests, ensure reliable delivery of Link State advertisements (LSAs) between neighbors and to describe Link State Databases. All these duties are performed using messages/Packets. Only one type of message/packet cannot perform all these duties. So, different types of messages/Packets are needed. OSPF has five types of Packets in total which are listed in below. Each type of packet has its own duties to perform. All these Read More …