Chapter 2. Network Design Considerations for the Enterprise Campus
This section discusses Cisco design recommendations for an enterprise campus network. These networks need to support evolving technologies such as IP telephony, storage-area networks, content networking, and application networking.
High-Availability Design
Constructing an enterprise campus network using modular building blocks can add to a network's availability, in addition to its scalability. Traditionally, Cisco prescribed a three-layer model for network designers. Those three layers, as shown in Figure 2-1, are as follows:
- Access layer: Typically, wiring closet switches connecting to end-user stations
- Distribution layer: An aggregation point for wiring closet switches, where ...
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