Chapter 3:
3.1: Spanning Tree
3.2: VLANs
3.4: SDN
4.1:
Radioland
4.2: Wi-Fi
4.2.1: collision basics; link-layer ACKs
4.2.2: rate scaling
4.2.3: MIMO
4.2.4: Access points
linssid demo (linux utility; runs as root; needs display access)
4.2.5: security
4.2.7: polling mode
4.2.8: MANETs and mesh
5.1 VPNs
5.2 Carrier Ethernet
5.3 Token Ring
6: Links
Encoding and Framing