OverviewConceptsRouter relationshipsOSPF areasRouter typesNon-point-to-point networkRouting metricsOSPF v3
OSPF is an interior gateway protocol (IGP) for routing Internet Protocol (IP) packets within a single routing domain, such as an autonomous system. It gathers link state information from available routers and constructs a topology map of the network. The topology is presented as a routing table to the internet layer, which routes packets based solely on their destination IP address. OSPF detects changes in the topology, such as link failures, and converges on a new loop-free routing
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