Extreme Private-PSK (PPSK)

Extreme Private-PSK (PPSK) This post provides an overview of the Private Pre-shared Key (PPSK) feature available in Extreme Networks’ access points connected to ExtremeIQ. Explanations below provide greater detail with additional context and options for advanced configuration; however, it takes less than 5 minutes to configure a PPSK enabled SSID with three unique PPSKs to…

Wi-Fi Generation Names

Wi-Fi Generation Names In October 2018, the Wi-Fi Alliance (WFA @ wi-fi.org) announced a new marketing scheme to brand different generations of Wi-FiTM. The initial three brands are summarized in the following table as described in the WFA Generational Wi-Fi User Guide. Highest level of technology supported Generation Name Band (GHz) 802.11ax Wi-Fi 6 2.4…

Using AirPort Utility to collect RSSI

Apple developed a utility to manage your Wi-Fi network and assist connecting to Airport base stations.  It is NOT installed by default in iOS and there are some settings that may need tweaking each time you want to run the application.  The AirPort Utility has several features, but the ones I’m really interested in are:…

WirelessHART Spectrum

WirelessHART is based on the IEEE 802.15.4-2006 standard – meaning specific flavours of the standard have been adopted by WirelessHART.  This blog with address the channel and modulation characteristics defined in the IEEE 802.15.4-2006 standard and which features and combinations were specifically adopted by WirelessHART. The 802.15.4 standard titled “Wireless Medium Access Control (MAC) and…

ZigBee/BLE packet capture with NXP KW41Z

ZigBee/BLE packet capture with NXP KW41Z   Quick blog to document the procedure I used to install the software required to packet capture ZigBee and BLE traffic using the NXP KW41Z. You can find hardware details about the NXP KW41Z on the NXP website.  There are a few different hardware models, so be sure to…

CBRS in Canada?

What is CBRS? CBRS refers to the Citizens Broadband Radio Service defined by the FCC in Title 47 Part 96 subpart F, which specifies the use of a 150MHz wide block of spectrum 3550–3700 MHz.  This block of spectrum resides within the highly coveted mid-band spectrum, combining high throughput and high propagation through objects such…

Extreme Site Survey AP Configuration

Extreme Site Survey AP Configuration This post captures useful commands when performing site surveys for configuring access points from Extreme Networks (formerly Aerohive).  Sometimes events happen in the field and you need to factory reset or re-configure an AP in the middle of a site survey.  What follows are some notes about relevant commands to configure an…

BLE Overview

BLE Overview This is a quick overview covering the highlights of Bluetooth® Low Energy (BLE) referenced in one place. As with all first-time Bluetooth blogs, there is a mandatory requirement to describe the story of how Bluetooth earned its name.  The name ‘Bluetooth’ is a head-nod to King Harold Blatand of Denmark.  King Harold was…