tech corner

Here you will find a repository of tech notes, articles and tips compiled in the hopes that they will help out other techies like ourselves.


The Noise Floor & What To Do With It

The most dreaded foe of wireless operators in the noise category. So what happens when this slimey mess prevades the sanctity of your realm? I'll show a real example of this, and how we identified and came up with a work-around.



Noise and Interference: Detection and Troubleshooting

The invisible killer has struck again. Not to worry! Read how to zoom in on the affected area and start peeling the onion. You'll be back up and running before you know it, with ammo to boot!



Locating Sources of Noise In Your Wireless Network... Not!

Stop! Before you strap an antenna to the roof of your car and start driving read this! Trying to locate the source of noise and interference is tedious at best, time consuming at worst. Save time - troubleshoot!



VLANs and WAN Segmentation

I wrote this one when I was QA Lead for the WaveRider LMS product line at Vecima Networks. It came about from a prospective client who was looking for a way to segment WAN traffic at layer 2 to provide open access to the network.



Tech quick tip

November 30, 2011


One step NIC IP config

Save time accessing multiple networks and/or differently configured hosts by setting up IP configuration batch files.

This came about when I found myself freezing my keister off in a snow storm while working with field services for a wireless ISP. Instead of wasting time clicking through the Windows 7 start menu to manually changing my NIC's TCP/IP properties, I created a series of batch files for each base IP address I needed to access through my NIC.

  1. Verify your NIC's name. Unless you have renamed it, this is usually 'Local Area Connection'.
  2. Create your batch file(s) in an easily accessible location (ie. desktop). Name them by the IP address you'll be setting for each (ie. '192.168.1.254.bat').
  3. Open one of the batch files and type: netsh interace ip set address name="Local Area Connection" static 192.168.1.254 255.255.255.0 192.168.1.1. Save and close.

Double-clicking this .bat file will set your NIC's IP address, subnet mask and gateway to the above configuration. If you wish to set your NIC to obtain an IP dynamically, simply wipe out the IP, mask and gateway and replace with 'DHCP'.