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This blog article describe the process of upgrading an Aruba controller. It provide a checklist of tasks to perform in order to prepare, perform and validate the software upgrade. You can also download the PDF version of this checklist. You can get the full detailed procedure in each Aruba OS release notes. TODO BEFORE THE UPGRADEBACKUP CRITICAL [...]
Visiting the IEEE website, we can find the details about the IEEE 802.11 standards and amendments displayed on a table: http://grouper.ieee.org/groups/802/11/Reports/802.11_Timelines.htm In order to put them into perspective, I have displayed them on a timeline. As the new amendments and standards are released, this timeline will be updated. Feel free to download and use the timeline [...]
The Magic Quadrant for the Wired and Wireless LAN Access Infrastructure has been released by Gartner on October 17th: THE VENDORS Just like last year, the same companies have been identified as leaders: Cisco and HPE Aruba. To me, this is no surprising at all, they lead and dominate the market. However, we can note that [...]
These are a series of videos and documents which will help you to technically understand KRACK. All you need is about 2 hours. First, you need to understand the 4-way handshake. Marcus Burton is doing a great job explaining it in this video (6mins): The following videos will have Hemant Chaskar and Vivek Ramachandran explain all of the KRACK [...]
By now you have probably heard that some WPA2 vulnerabilities have been discovered and made available to the public by Mathy Vanhoel on www.krackattacks.com. This article will explain the implication of these vulnerabilities on enterprise WLAN networks. WHAT ARE THESE VULNERABILITIES Nine vulnerabilities has be revealed. Eight of them are client related and one of them [...]
​Wi-Fi, as most of us know, operates on the 2.4GHz or 5 GHz band. But there are, actually, others 802.11 protocols utilizing other frequency bands (900MHz, 60GHz,...). Today, we will be talking about the regulations of using the 60GHz frequency band in Canada. This band is used for the 802.11 protocols known as 802.11ad (now [...]
Wifitraining.com is offering a series of videos, in which I participated, called Rockstar Wireless Networking (RWN) introducing the Wi-Fi technology. Please register on the wifitraining.com website to gain free access to these videos at https://www.wifitraining.com/register. The goal of these videos is to introduce the Wi-Fi technology to anyone who would be interested in. They cover the [...]
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