What Is The Difference Between Ospf And Eigrp?
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OSPF (Open Shortest Path First) is a link-state routing protocol that uses the Dijkstra algorithm to calculate the shortest path to a destination network. It supports variable length subnet masks, supports VLSM and CIDR, and has fast convergence time. It also supports authentication, but it has limited scalability and is more complex to configure than EIGRP (Enhanced Interior Gateway Routing Protocol).
EIGRP is a distance vector routing protocol that uses the Diffusing Update Algorithm (DUAL) to calculate the best path to a destination network. It supports VLSM and CIDR, and it has excellent scalability and fast convergence time. It also has the ability to summarize routes, but it does not support authentication. Unlike OSPF, however, EIGRP is simpler to configure.