Using Tools to Remotely Troubleshoot WLANs – The Windows WLAN Monitor Script

One of the more difficult aspects of my job is to be able to troubleshoot a client’s WIFI system.  I often get called in when all onsite resources fail to diagnose the issue or the client doesn’t have troubleshooting tools specifically for the tasks required to uncover root causes.  While there are several options available […]

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ECSE Bootcamp – A personal view

For those readers that don’t know, ECSE stands for Ekahau Certified Survey Engineer. It is designed to teach the use of the Ekahau Site Survey (ESS) software. More information on the program can be found here: Ekahau ECSE. I attended a Pre-conference bootcamp at the Wireless LAN Professionals Conference (WLPC) in Phoenix the weekend of […]

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The dreaded retry.  In wireless networks we can not avoid them.  Retries happen for several reasons from non-responsive clients to collisions and more. The retry is an integral part of ensuring the frame gets through. But at what point do retries become a problem and how do we know? This is where we take a […]

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Understanding Device Roaming Behavior Crucial to Effective Troubleshooting

I cannot tell you how many times I have been at a client site performing Wi-Fi troubleshooting where the system works fine for most devices but not for the one device type that the client needs for their productivity.  The common misconception from the user’s point of view is, “The Wi-Fi here sucks.”  Notwithstanding their […]

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SpecAn and Channel Bonding

I was experimenting with Aruba Networks ability to use their AP units to spectrum analyze the RF and I thought of writing this post with regards to channel bonding capabilities of 802.11n and 802.11ac.  I know that many of my clients do not understand how channel bonding works – at least not completely.  So, I […]

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