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 […]
Recognizing WLAN Retransmissions is a Critical Skill Read More »
Signal-to-Noise Ratio (SNR) is a measure of how strong a signal is compared to the background noise in a communication system. It is typically expressed in decibels (dB). The higher the SNR, the clearer and more reliable the signal. I often get asked, how is signal to noise calculated. Frankly the math is not hard.
The Signal to Noise Ratio (SNR) Calculation Read More »
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
Why ISP Technicians Need Routine Wi-Fi Skills Training Read More »
So many folks use Windows and they want to capture Wi-Fi traffic in Monitor Mode (aka RFMON) using their onboard Wi-Fi adapter, and, for those of us who have tried, we all know how problematic that is. The answer as discussed in my post here is to use an external adapter. You can test this
A List of USB Wi-Fi Adapters that support Monitor Mode Read More »
Here is our second attempt at answering the question – we will call it Option 2. You can find the first article here. This question comes up all the time, and the answers can be quite varied. Seems simple enough at first glance, right? But the problem is that things are not simple, especially in
How to discover what is on your LAN (IPv4 and IPv6) or WLAN – Option 2 Read More »
Who is on my network? Great question. Better yet: Who is on my customer’s network? That would be looking at the issue from a service provider’s perspective. This article attempts to answer that question with tips and tricks and tools that will help you, whether you are the owner of a network or a service provider.
How To Discover What is on your LAN/WLAN – Option 1 Read More »
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
CSI-HO-035 – Wi-Fi 6 and Wi-Fi Security in the Wireless LAN Read More »
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
Capturing Wi-Fi WLAN Packets in Wireshark on MacOS Read More »
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
Windows WLAN/Wi-Fi Commands of Interest Read More »
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
Viewing the WLAN/Wi-Fi details via the WLAN Report in Windows 10 Read More »
If you have attended any of my presentations of WLAN/Wi-Fi Security or even my Security Courses,you know that the design of WLAN/Wi-Fi networks leaves a lot to be desired when it comes to security. This is also evidenced by the law suit against Amazon with hackers allegedly controlling Ring cameras. I have always said that
Best Practices for Securing your WLAN/Wi-Fi Network at Home or Small Business Read More »
Here is the download link: https://github.com/HelgeKeck/winfi – look to the right, you will see Releases, and the latest release can be downloaded. Here is the Discord Server to join in discussions and request PRO Engineer version activation: https://discord.gg/4GTv5ED7 This tool is free – and there is a PRO Engineer version that costs money. After test
Fantastic Free Wi-Fi Analyzer for Windows – WinFi Read More »
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 If you are like me, you count on the Internet to help with how to’s especially when using Linux. That said, sometimes the information can be contradicting or confusing. This
3 Ways to put your Wi-Fi Interface in Monitor Mode in Linux Read More »
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 In our article on putting your WLAN Wi-Fi interface into Monitor Mode so you can sniff Wi-Fi packets and troubleshoot WLAN’s, we said that if you are running Windows, you
Getting a Virtual Machine to Access Wi-Fi Monitor Mode Read More »
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: Having a solid understanding of Network Security in WLAN/Wi-Fi networks is extremely important for anyone in networking,
CSI-HO-030 – Hands-On Understanding Security in WLAN/Wi-Fi Networks Read More »
