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Analysis of IGI Airport Wi-Fi setup

The access points installed at T3, IGI Airport, New Delhi are of Cisco make, Internal access points with internal antennas. This is depicted in the below images – Cisco access points can be installed in two modes – i.                Lightweight installation – In this mode, access points make a secure tunnel with the wireless controller and pass all the user traffic to the controller. Based on configuration, controller take appropriate actions and process the traffic.   Advisable for large/enterprise setup. ii.               Autonomous installation – In this mode, access points play the role of controller also and process the traffic as per policy. Ideal for small setup. I roam around at various corner of the floor after connecting to wireless and I didn’t face any connection drop (or re-authentication issues). This is a roaming functionality which usually possible only in controller based model. This cause me be