5.1.1 LAN design goals
5.1.2 LAN design considerations
5.1.3 LAN design methodology
5.1.4 Layer 1 design
5.1.5 Layer 2 design
5.1.6 Layer 3 design

5.2.1 Switched LANs, access layer overview
5.2.2 Access layer switches
5.2.3 Distribution layer overview
5.2.4 Distribution layer switches
5.2.5 Core layer overview
5.2.6 Core layer switches