Category: Non classé

Lately I have been working on implementing and testing OpenRoaming with different Wi-Fi vendors. If you don’t know about OpenRoaming, it is a global initiative from the Wireless Broadband Alliance that simplifies and secures the process of connecting to Wi-Fi networks. Basically, it allows to create guest networks that use 802.1x authentication and leverages Passpoint […]

This blog post is about a recent issue I had to troubleshoot. The original mission was quite simple and something I am very much used to: deploy 802.1x authentication on the Wi-Fi infrastructure using EAP-TLS (currently the best recommended option that uses certificates on both the RADIUS servers and the wireless clients). Infrastructure is fairly […]

I recently co-hosted a webinar with Cisco about Wi-Fi use cases in healthcare. This blog post provides a quick summary of the topics I discuss, along with a YouTube link to the webinar recording. The recording is in French, but you can easily enable transcription and translation on YouTube – I find it does a […]

Back in 2020, a brand-new chunk of license-free spectrum in the 6GHz band was opened up for our Wi-Fi networks to use. Unfortunately, this band is not harmonized worldwide, and only some parts of the world have access to the entire 1200 MHz of spectrum. You can check the current state of regulations here: https://www.wi-fi.org/regulations-enabling-6-ghz-wi-fi […]

Today I am sharing a Python script I wrote to get an access point inventory from one or more Cisco Catalyst 9800 WLAN controllers. It connects to the C9800 using the RESTCONF API, so don’t forget to first enable the API on the controller as it is disabled by default. All prerequisites and instructions are […]