Reforming an Unstable Network

This section of the chapter reforms the network shown in Figure 4-2. Because this is a rather large network, only one small section is tackled at a time. This chapter covers how to implement changes in the topology and addressing, which can improve this network. Chapter 5, "OSPF Network Design," Chapter 6, "IS-IS Network Design," and Chapter 7, "EIGRP Network Design" address how to implement routing protocols on this network.

Figure 4-2. An Unstable Network

This exercise begins with the core of the network and works outward to the distribution and access layers as detailed in the following sections.

Examining ...

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