Wireshark has two filtering languages: One used when capturing packets, and one used when displaying packets. These display filters are already been shared by clear to send . It was shared as image file so I decided add different filters together and type here so people can just copy paste the filters instead having to typeRead more about Wireshark Display Filters[…]

WLAN Topologies AKA Service Sets: I would like to talk about WLAN topologies or service sets which are not difficult to but very important to understand. 802.11 defines different topologies or service sets. BSS (Basic service set) ESS (Extended service set) IBSS (Independent basic service set) MBSS (Mesh basic service set) QBSS (QOS basic serviceRead more about 802.11 Topologies AKA Service Sets[…]

I was thinking to write about the 4-way handshake and started to think that from where I should start writing. Shall I just describe 4-way handshake which can be found everywhere on the web or shall I do a deep dive?  Reason for me to write is to make it easier to understand for nonRead more about 4-Way Handshake[…]

Today I would like to take the opportunity to write about inverse square law. What is inverse square law and why it’s important for us as Wi-Fi Engineers to understand. Its important to understand that how RF behaves when distance increases. I will start with light example which is easy to understand, and it workRead more about Inverse Square Law[…]

I would like to write this post specifically for beginners who are trying to understand that what is a protocol analyser or what are the options available specific to Wi-Fi troubleshooting. First question what is protocol analyser Why we need it What options are available to capture WLAN traffic How we can use it for our benefit suchRead more about Protocol Analyser for beginners[…]