David Coleman is a wireless mobility consultant, public speaker, and trainer. For the last twenty years, David has instructed IT professionals from around the globe in enterprise WLAN design, WLAN security, WLAN administration and WLAN troubleshooting. In his spare time, David writes white papers, blogs, and books about enterprise Wi-Fi networking. David is the co-author of Sybex Publishing’s Certified Wireless Network Administrator (CWNA) Study Guide and numerous other books about Wi-Fi. David is the Senior Product Evangelist for Aerohive Networks and is CWNE #4.
- June 6th, 2018
The primary goal of both 802.11n and 802.11ac was to provide high throughput and bigger data rates. However, frame aggregation is one key aspect of 802.11n/ac that did enhance airtime efficiency. Frame aggregation is a method of combining multiple frames into a single frame transmission. Fixed MAC layer overhead and medium contention overhead are reduced, […]
- May 31st, 2018
Chris and I discuss the importance of upgrading end user devices when upgrading your enterprise WLAN network in a recent video.
- May 8th, 2018
In this video, Chris Harkins, Sr. Technical Instructor and I talk about configuration features like Load Balancing and when (or when not) to use them.
- April 17th, 2018
David Coleman, CWNE#4 and Sr. Product Evangelist, and Chris Harkins, Sr. Technical Instructor discuss best practives on SSID design. If you’ve ever wondered why you shouldn’t use 16 SSIDs, be sure to watch this video.
Abby Strong, VP of Products & Marketing and David Coleman, Aerohive Product Evangelist and CWNE#4, introducing industry’s first family of enterprise 802.11ax access points. Aerohive intends to deliver three new models in mid-2018. The new 802.11ax Wi-Fi access points – AP630, AP650, and AP650X – are 802.11ax-capable as well as being fully compatible with existing […]
- January 3rd, 2018
David Coleman (CWNE#4) discusses 802.11ax in this latest video.
- June 28th, 2017
David Coleman explains how to use the VLAN probe in HiveManager NG to troubleshoot users not being assigned the correct IP for their device.
- June 20th, 2017
What is one of the smartest things Wi-Fi admins can do? Learn 802.11 frame analysis. These two videos by a couple of WLAN Pros will help you get started.
- October 5th, 2016
- HiveMind Blog
Two new Aerohive employees (eleven total) have earned elite CWNE status. Read to find out who they are and how they got here.
- September 28th, 2016
After many months of work, the 2nd edition of the Certified Wireless Security Professional (CWSP) Study Guide is available.