Network
Routing, switching, DNS, WLAN, and connectivity notes from campus and data-center work.
Posts
- RF fundamentals for CWNAdBm, SNR, FSPL, and the few RF ideas you will reuse on every survey and ticket.
- Wi‑Fi basics: notes from Mist trainingFull conversion of Mist Wi‑Fi Basics handwritten notes — standards, RF, airtime, security, design, modulation, MIMO, and Mist RRM.
- History and StandardsHistory of WLAN and Industry Standards.
- Reading the air: 802.11 basicsChannels, channel width, and why wider is not always faster on a busy floor.
- Lab notebook: your first useful WLAN pcapA small capture workflow that teaches more than scrolling through Wireshark alone.