802.11 / RF Troubleshooting Best Practices
Attached is a slide deck from Airheads Vegas 2012 and Airheads Bangkok 2012. An earlier version was also presented at Airheads Dallas 2011.
Topics covered in the presentation include:
- Five phase client level troubleshooting: 802.11, Authentication / Encryption, IP Assignment, Security Policy, Network Access
- Troubleshooting zones: Controller, Backend Server, Access Point, Wireless Client
- Collecting basic information about the problem
Is the problem isolated to one or many wireless clients?
Is the problem only affecting wireless clients using a certain NIC, supplicant, OS?
Is the problem only affecting wireless clients in a certain area, SSID?
Did anything change recently in the network or area?
Did it ever work before?