Open Shortest Path First (OSPF) is widely deployed in networks throughout the world, and its successor OSPFv3 is taking over the same segment with IPv6. Given that, OSPF will be around for some time. The concepts behind both versions of OSPF are very similar. Because of this, only OSPFv2 (IPv4) will be used for examples in this article, in which I’ll go over the basics of OSPF configuration.
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