Wi-Fi

Our Comprehensive Wi-Fi Troubleshooting Guide

Hi everyone! As many of you who have attended my conference presentations and Wi-Fi classes know, I spend time talking about the correct way of troubleshooting Wi-Fi networks. Power cycling or rebooting is NOT a first step. Here’s why: lets say you are having issues of some kind (slow speed, connectivity issues, can’t reach certain […]

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Recognizing WLAN Retransmissions is a Critical Skill

Retransmissions of frames in WLANs (Wireless Local Area Networks) can become problematic for several reasons, primarily due to the nature of the wireless medium. While retransmissions are a necessary part of ensuring data integrity in unreliable networks, they can cause inefficiencies and degrade network performance. I will get to the details below, but let’s start

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Why ISP Technicians Need Routine Wi-Fi Skills Training

Service provider technicians need routine Wi-Fi skills training and they need to know how to troubleshoot Wi-Fi networks for several important reasons: Troubleshooting Wi-Fi networks is essential for service provider technicians to ensure reliable service, maintain customer satisfaction, and keep up with the fast-paced advancements in networking technology. Because the Wi-Fi network environment is ever

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Find and Display All Your Wi-Fi Passwords in Windows

If you have been to one of my Wireshark or Wi-Fi classes then you know I often criticize Microsoft Windows for some of its – well – inexplicable approaches to usage and security.  Here is yet another example. Windows stores several important pieces of information in Wi-Fi profiles to facilitate automatic connections to known networks

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CSI-HO-035 – Wi-Fi 6 and Wi-Fi Security in the Wireless LAN

   CellStream, Inc. – Telecom Consulting and Training!             2-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 10 students – Maximum 20 students Course Description: Knowing the fundamentals of Wi-Fi 6 and Security as these subjects pertain to Wi-Fi/Wireless LAN Operations is

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CSI-HO-020-I – Wireshark Wi-Fi Analysis in a Day – 1 Day

   CellStream, Inc. – Telecom Consulting and Training!             1-Day Instructor Led Hands On Lab Class Available in either Web Based delivery or On-Site Delivery Minimum 8 students – Maximum 16 students What Students are saying about this class: “[The instructor] explains things in a way that any of us can

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Capturing Wi-Fi WLAN Packets in Wireshark on MacOS

Check out these great references as well:   Our Wireless custom profile for Wireshark  Our Udemy course on Wireless Packet capture  Our other Wi-Fi related articles Ok all you Mac users, here is the way you capture Wi-Fi/WLAN frames using your Mac and Wireshark. First, Mac users get a really easy time of putting their interface

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Windows WLAN/Wi-Fi Commands of Interest

Check out these great references as well:  Our Wireless custom profile for Wireshark  Our Udemy course on Wireless Packet capture  Our other Wi-Fi related articles There are several other articles that we have written on various Windows 10 WLAN/Wi-Fi commands that you can execute to perform various important wireless information gathering and management.  We will

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Viewing the WLAN/Wi-Fi details via the WLAN Report in Windows 10

WIndows 10 has several interesting WLAN/Wi-Fi commands you can run from the Windows 10 command or Powershell.  One of them is the WLAN Report.  It takes two steps to view this information. Step 1. Run Windows CMD as Administrator. Then enter the command: netsh wlan show wlanreport Here is an example output: Note that the

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