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Learn Cisco Network Administration in a Month of Lunches by Ben Piper

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Chapter 16. A dynamic routing protocols crash course

In the last chapter, you had to manually configure static routes to enable IP connectivity throughout your network. In this chapter, you’re going to automate this process by configuring two of the most popular dynamic routing protocols: Cisco’s very own Enhanced Interior Gateway Routing Protocol (EIGRP) and Open Shortest Path First (OSPF). But before you learn how these two protocols work and how to configure them, it helps to understand why they exist in the first place.

Network nerds sometimes refer to dynamic routing protocols as interior gateway protocols (IGPs). For brevity, I’ll use this acronym throughout the rest of the chapter. IGPs automate the process of advertising subnets to ...

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