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OSPF Routing Protocol

This section covers the Open Shortest Path First (OSPF) protocol. We analyse the OSPF protocol, explaining why the OSPF protocol exists, how OSPF works, OSPF concepts, OSPF Areas, OSPF router roles and much more.

Our OSPF section has been designed to cover engineers who are new to OSPF (CCNA level) and progressively covers OSPF CCNP professional level. Our articles include examples of OSPF configuration for Cisco routers, ensuring a complete coverage of the OSPF protocol.

Additional OSPF articles will be progressively added as we continuously expand the OSPF section.

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How OSPF Protocol Works & Basic Concepts: OSPF Neighbor, Topology & Routing Table, OSPF Areas & Router Roles, Theory & Overview 22383
OSPF Adjacency & Neighbor Forming Process. OSPF Hello Messages, OSPF Database Updates via Link State Requests (LSR & LSU) 6852
OSPF Neighbor States – OSPF Neighbor Forming Process 7946
Analysis of OSPF Link State Update (LSU) - Link State Advertisement (LSA) Packet Structure. Common LSA Types 6630
OSPF LSA Types - Purpose and Function of Every OSPF LSA 1954

Tags: CCNA CCNP routing protocols ospf open shortest path first ospf areas area 0 backbone area ospf concepts ospf configuration

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