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Tracking sequence numbers and flags in Wireshark

Tracking sequence numbers and flags in Wireshark One of the things I learned a while back was a really good tip when using Wireshark. I find people sometimes get tied up tracking the sequence numbers and the wireless frame flags in Wireshark. Having to open the frames and look for flags and following sequence numbers…

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Homer and Bart and WiFi

I find myself explaining layer 1 physical spectrum analysis quite a lot these days. Spectrum Analysis is everywhere today. There is Cisco Spectrum Expert, and CleanAir (now the chip is installed in every Enterprise Cisco AP). There is also Metageek Chanalyzer, and of course Cisco Meraki has it built in. Identifying the different signals can…

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An easy way to remember V and H

V and H – An easy way to remember Short blog entry this month but, I hope, quite an important one because I want to give you . This month I want to give you an easy to remember tip, concerning antenna coverage pattern charts. Directionality of antennas is quite important. When planning a design,…

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