Part II: IP Version 4 Routing
Part II of this book turns this book’s attention away from the LAN topics in Part I, moving on to IPv4 routing. The ICND1 book (and exam) introduced many details of IPv4 routing—the concepts, all the subnetting math, and the implementation details on routers—and now Part II of this book goes further. This part reviews the IPv4 routing topics from ICND1, but now with an eye toward troubleshooting problems with IPv4 internetworks, with the entirety of Chapters 4 and 5 devoted to troubleshooting IPv4 routing.
The last two chapters in this part add new topics as compared with ICND1’s coverage of IPv4, with two unrelated topics. Chapter 6 introduces the idea of having redundant default routers, and Chapter 7 discusses ...
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