Skip to content
WiFi-Fu

WiFi-Fu

Mastering the Art of WiFi

A Look at WPA2-Enterprise (802.1X/EAP) Security (with PCAP examples)

October 25, 2022 Todd Smith Leave a comment

WPA2-Enterpeise security goes beyond simply using a passphrase (or password) for connecting to the WiFi. WPA2-Enterpeise involves three primary components:…

Continue Reading →

Filed under: 802.1x, authentication, EAP, RADIUS, WiFI, WPA2-Enterprise

A Scalable and Fiscally Feasible WiFi Design Guide

October 9, 2020 Todd Smith Leave a comment

I do a lot of work in the retail industry, where thin profits dictate if, when, and how much budget…

Continue Reading →

Filed under: creative, design, retail, site survey, strategic, Wi-Fi, WiFI

Capture those WiFi Packets (the Cheap & Easy Edition)

February 3, 2020 Todd Smith Leave a comment

Even after you’ve carefully configured and optimized your WiFi network, you are still bound to have some sort of issue…

Continue Reading →

Filed under: Acrylic, analysis, omnipeek, packet capture, pcap, Wi-Fi, WiFI, windows, wireshark

Data Rate Discrimination

April 3, 2019 Todd Smith Leave a comment

Which Rate is Which Data rates can certainly be confusing, even how we refer to them varies by engineer and…

Continue Reading →

Filed under: data, Data rates, rates, roaming, sticky, WiFI, WLAN

The Balance of Power (Tx)

March 5, 2019 Todd Smith 1 Comment

Again with the SNR In my previous post (Eliminate Channel Dysfunction – Your WiFi Will Thank You), I spoke briefly…

Continue Reading →

Filed under: mismatch, power, signal, SNR, transmit, Wi-Fi, WiFI

Eliminate Channel Dysfunction – Your WiFi Will Thank You

February 25, 2019 Todd Smith Leave a comment

More About Performance In the previous blog post about SSIDs, I talked about how management traffic can consume the airtime…

Continue Reading →

Understanding SSIDs (aka WLANs) and Using Them Wisely

February 18, 2019 Todd Smith 2 Comments

What is (and isn’t) an SSID? Before getting into what an SSID is, we must understand what it isn’t, which…

Continue Reading →

Teaching WiFi Airtime – Part 2

February 11, 2019 Todd Smith Leave a comment

*** please read part 1 before continuing on with part 2 below *** “Fill the Front Seats First” Physics tells us…

Continue Reading →

Teaching WiFi Airtime – Part 1

Todd Smith 3 Comments

What is Airtime? Airtime is a measure of the time it takes for a WiFi device (i.e. AP, wireless router,…

Continue Reading →

Purpose of My Blog

I often find myself discussing WiFi design requirements with folks who don’t necessarily have a strong understanding of WiFi.  So, I decided to create a blog that provides a relatable explanation of various WiFi concepts, in a way that is digestible by both expert and novice alike.

About Me

Todd Smith – WiFi-Fu Master

You can read about and contact me via Twitter @wifidoer, or via LinkedIn.

WordPress Appliance - Powered by TurnKey Linux