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CWNE – The Journey has begun – Part 1

This blog will provide an overview of my struggles and achievements which helped me become an elite CWNE group member. In my childhood days, I was always fascinated to rip apart FM/SW radio receivers and just see what’s on the inside. Well, that was just the start of the quest for Wi-Fi. I started my career in the Technical support […]

ENWLSD 300-425 Exam Prep Notes

Applying Wireless Design Requirements Defining AP coverage – The main goal of the Wi-Fi design to bring the network to the users. Considering Receive Sensitivity – AP Tx power is a major factor in determining the usable range of its signal. Every client device has a receiver that has a sensitivity level or threshold that divides the intelligible, useful signals […]

Configuring an Aerohive AP on ExtremeCloud IQ

It has been a while I did a blog post, work has been relatively busier post Covid19 lockdown. Some time ago I did a site survey for my home and found insufficient 5GHz coverage. As we are all aiming to have 5 GHz wherever possible why not start with the home. I had a couple of Cisco 2802 AP but […]

Spectrum Analyzer – CWAP#13

Spectrum Analyzer – comprises of 15% syllabus for CWAP-403 exam. You can roughly expect around 9 questions from this section. Spectrum Analyzers range in price from a few hundred $ to thousands. They are not free to use like in the case of Wireshark etc.. I was unable to source spectrum analyzers easily and ended up not reading thoroughly on […]

802.11ac and a bit of 802.11ax #CWAP11

This blog post will be focusing on 802.11ac in particular. We visited the aspects of 802.11n in the last blog post. 802.11ac introduced the VHT (Very High Throughput) along with some core technological advancement like MU-MIMO, 256 QAM addition & support for 80MHz/160MHz channels. One of the key differences also lie in the support of only 5GHz band. So there […]

802.11n | HT Operations #CWAP10

The blog post will cover the topics related to High Throughput Throughput technologies in conjunction with the exam objectives laid down for CWAP-403 exam. 802.11 Frame Exchanges cover 25% of the knowledge domain required for the exam. Analysing HT & VHT transmission methods are one of the sub topics under this section. I will be focusing on the HT/802.11n type […]

How to capture WLAN Frames? #CWAP8

This blog post will focus on tools I’ve used for performing Wireless Frame Captures. I’ve been largely dependent on Macbook for capturing the wireless frames. I would highly suggest you for sourcing a Macbook for frame capture as Windows PC option involves getting a third party WLAN pcap which is not cheap. Thank you Apple for making it possible to […]

Cisco – Mobility Express Experience

A couple of days ago I bumped into an opportunity to setup Cisco Mobility Express for one of the clients. Cisco has enabled to accomplish a mobility solution which can hep you deploy wireless LAN networks and be able to manage WLAN with APs on the network acting as the controller. Here’s how Cisco describes it in layman’s terms – […]