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We have to start somewhere so let’s look at the basics of configuring OSPF. Remember OSPF is an IGP (Interior Gateway Protocol) and allows packet authentication as well as IP multicast when sending and receiving updates. In this post we are configuring OSPF in a single area. In this topology we have four routers and …
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OSPF...What a Protocol!
Nov 2, 2011 · 4 min read · CCNA Cisco cisco General ICND2 Internet Engineering Task Force IS-IS Link-state advertisement Link-state routing protocol networking Open Shortest Path First OSPF router Tutorials ·For today let's discuss a routing protocol that was being thought of in 1987 by the Internet Engineering Task Force (IETF). OSPF currently has three versions and the first version was in the 1980s when the internet was still being used for research. What is interesting about the first version of OSPF is although one …
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