Learning Wireless Networking

Learn about modern wireless networks, including basic theory and configuration, and explore wireless network designs and setup.

Introduction

• Welcome to wireless networking
• What you should know

1. Wireless LAN Designs

• Ad hoc wireless LAN
• Infrastructure wireless LAN
• Mesh wireless LAN
• Autonomous vs. Lightweight Access Points

2. Selecting Wi-Fi Channels

• 2.4 GHz channels
• 5 GHz channels

3. Service Sets

• Independent Basic Service Set (IBSS)
• Service Set ID (SSID)
• Basic Service Set ID (BSSID)
• Extended Service Set ID (ESSID)
• Multiple Basic Service Set ID (MBSSID)

4. Wi-Fi Radio Technologies

• Direct-Sequence Spread Spectrum (DSSS)
• Frequency Division Multiplexing (FDM)
• Orthogonal Frequency Division Multiplexing (OFDM)
• Quadrature Amplitude Modulation (QAM)
• Channel bonding
• Beamforming
• MU-MIMO
• Orthogonal Frequency Division Multiple Access (OFDMA)

5. Wi-Fi Standards

• IEEE 802.11n (Wi-Fi 4)
• IEEE 802.11ac (Wi-Fi 5)
• IEEE 802.11ax (Wi-Fi 6)

6. Wireless Security

• The need for wireless security
• Wired Equivalent Privacy (WEP)
• Key distribution modes
• Enhanced encryption protocols
• Enhanced security protocols

7. Installing an Autonomous AP

• Linksys wireless router setup
• Configuring channels
• Configuring security

8. Installing a Lightweight AP

• Ubiquiti UniFi Controller installation
• Adding APs
• Configuring channels
• Configuring security

Conclusion

• Review and next steps