Although it is difficult to capture a “typical” campus network design in a single illustration, campus networks, in general, experience many common demands including support of large numbers of end users, servers, and the need for WAN connectivity to either the Internet or to other locations. Figure 11-7 illustrates a simple campus network design using the three-tiered core, distribution, access design principle, with the addition of a building block of dual-attached switches to accommodate servers.
Figure 11-7. Simple Campus Design
In this design, the building block outlined in the previous section is used at the access and distribution ...