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FineSine

Notes on wireless networking, from the field.

WLAN design, site surveys, how-tos and roaming deep dives by Matt Frederick, CWNE #197.

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2026

  1. How Your App and Android Version Change the Way You Roam

    Same Zebra TC53, same store, same walking path, same network. Change the Android version or the app and the roam looks completely different.

2019

  1. How to remotely wipe and reconfigure an Aruba controller

    1. Create a script that can be copied and pasted into a controller 2. Grab any controller that is running the same AOS version…

2017

  1. RF Survey Checklist

    I have been working on a project where we have to do surveys remotely with an on-site technician doing the actual surveying. They then…

  2. Aruba: Temporarily enabling BLE beacon, gathering data, and disabling

    Turning on an Aruba AP's USB-powered BLE beacon just long enough to capture its information with show ap debug ble-table, then switching the AP…

2016

  1. Webinar: Performing an indoor arena design survey

    Check out the webinar I did with Ekahau on how to perform a design survey for an indoor arena! https://youtu.be/1sbHIb4Cn3U

  2. Using Ekahau Site Survey to Create a 2.4 GHz Plan

    I did a guest blog post with Ekahau on creating a 2.4 GHz plan! Check it out here: http://www.ekahau.com/wifidesign/blog/2016/09/27/guest-blog-using-ekahau-site-survey-to-create-a-2-4-ghz-radio-plan/

  3. Using netsh WLAN show interfaces to Monitor Association/Roaming

    In April, John Cosgrove (@rtr_man) posted the following way to monitor your WLAN association statistics that I have been using and playing with since:…

  4. Aruba: How to Remotely Wipe and Reconfigure an Aruba Controller

    I’ve recently been on a project that required me to be able to remotely wipe and reconfigure an Aruba controller without having console access.…

  5. The Consultant

    I had a really refreshing conversation with my new boss the other day on the role of a consultant. It was refreshing because we…

  6. The Term “Survey”: Thoughts from a WiFi + Non-WiFi VAR Engineer

    The dictionary defines survey as “examine and record the area and features of (an area of land) so as to construct a map, plan,…

  7. Indoor Arena Design Survey Part 3: Back of House

    This is a continuation of Part 2 of the three-part series on performing a design survey for an indoor arena. This will be a…

  8. Indoor Arena Design Survey Part 2: The Concourse

    This is a continuation of Part 1 in a 3 part series on doing a design survey for an indoor arena. This part covers…

  9. Aruba: Setting up an Aruba IAP for a Site Survey

    Note: This is pre-InstantOS 4.2 I used to do my site surveys with a lightweight AP and a small controller. I have since moved…

  10. Indoor Arena Design Survey – Part 1: The Bowl

    This post should be used as a quick reference for anyone needing to do a design and site survey for an indoor arena. This…

2015

  1. Aruba AP-270 series mesh AP unable to form uplink

    Problem: AP-270 (had this happen on a 274 and a 275) does not join the controller. I saw this on both a Mesh Portal…