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Given a network design or set of requirements evaluate a solution that meets IP addressing needs.
Network addressing is an area that certainly deserves attention at the design phase. Many routing protocols and IOS features can take advantage of a well-designed addressing scheme. Conversely, a poorly designed addressing scheme can result in larger route tables that can adversely affect performance. Aside from these issues, a planned approach to network addressing makes networks more predictable and easier to manage. Those who will administer the network you design will appreciate your attention to a well-thought-out addressing scheme on a daily basis.
Let’s begin by looking at VLSM and VLSM design considerations. We’ll then move on to route summarization, also known as route aggregation or supernetting. We will look at classless interdomain routing (CIDR), private addressing, and NAT, and the benefits they offer. Once we’ve covered these aspects of internetwork addressing, we’ll turn our attention to network (host) addressing design.
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