Cisco

The increase of the internet users has consumed IPv4 addresses rapidly. And to continue with these addresses various techniques have used by organizations. One of them is Network Address Translation(NAT). 
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OSPF Protocol can work in different network topologies. Some of these Network types are Standard and Some of them is Cisco Proprietary. Mainly,these networks types are given below: • Broadcast 
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In OSPF Link-State information, in other words,Routing information is exchanged between routers. This exchange is done with LSAs (Link State Advertisements). There are eleven different LSA types and each of 
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OSPF use OSPF Packet sto communicate and establish OSPF Operation. There are different Packet types in OSPF and in this article, we will focus on these OSPF Packet Types. We 
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OSPFv2 Overview OSPF (Open Shortest Path First) is a Link-State Routing Protocol. It is also Classless and an Open, Standard Protocol used by all vendors. OSPF uses Dijsktra Algortihm, a 
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