In this article we will learn how to configure ospf routing protocol  in a complex network.OSPF(Open Shortes Path First) Routing can be done on any router it is not a cisco proprietary.Since it is an open standard it will run on most of routers.OSPF uses SPF algorithm to provide a loop free topology.OSPF is also… Read More OSPF CONFIGURATION LAB:Learn to configure ospf in a complex network