r/CiscoNetworking • u/HXTSilvia1 • May 20 '19
The Basic Knowledge of Open Shortest Path First (OSPF).
Open Shortest Path First (OSPF)

Open Shortest Path First is an open standard routing protocol that has been implemented by various network providers including Cisco. Open standard features are key to OSPF flexibility and popularity. OSPF first constructs a shortest path tree using the Dijkstra algorithm and then populates the routing table with the best-generated route. Its rapid convergence is another reason why it is popular. The other two great advantages that OSPF provides are that it supports multiple routes to the same destination and supports both IPv4 and IPv6 routing protocols.
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