OSPF

  • [ACSA Training #38] OSPFv2 Operation

    In the previous post, we looked at what OSPF is as a protocol and how it works. Today, we will examine what needs to be kept in mind to actually operate OSPFv2. From a protocol perspective, there are two types of networks. Point-to-Point Network: Only two peers are located on the link. When an interface is configured as a point-to-point link, OSPF [assets] that if one neighbor exists on the interface…

  • [ACSA Training #37] OSPFv2

    OSPF is the most widely used method for routing traffic within an organization. Among them, OSPFv2 is used to route IPv4 packets within the corporate internetwork. Today, we will look at OSPF areas, router IDs, various message types, and neighbor states. Introduction to OSPF: RFC 2328 [regarding] OSPFv2 for routing IPv4 addresses…

  • [ACSA Training #36] Routing Protocols

    Before learning about routing protocols, we need to understand Autonomous Systems (AS). An Autonomous System can be described as a collection of routers under a management domain. In other words, an ISP (Internet Service Provider) owns its own internal network. Furthermore, the ISP possesses the autonomy to manage even the routers within that network. This is precisely what an Autonomous System (AS) is….