Rob Krumm

Ruckus ICX7150-C12P – Multiple Address Pools and DHCP Option 54

Note: this was tested on Software Version 08.0.61 of the ICX switch firmware.  If you are using a different release, you may want to verify my findings. Introduction I recently came across an interesting problem when trying to add more than one DHCP address pool to my home laboratory’s ICX 7150-C12P switch.  I wanted to […]

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Understanding Noise – Part 4: Noise Factor, Noise Figure & Noise Temperature

Previous posts in this series: Understanding Noise – Part 1: Defining Noise Understanding Noise – Part 2: Sources of Noise Understanding Noise – Part 3: Noise Spectral Density Digital communication systems require received signals to be filtered and amplified before they can be demodulated and passed to the analog to digital converter.  Similarly, transmitted signals […]

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Using the ODROID C2 as a WLAN Testing Tool – Part 4: Installing FruityWifi

My System Specifications I am running Dietpi on an ODroid C2.  Here are the Details of my OS, most recently updated at the time of this posting.: root@dietpi:~# cat /etc/*-release PRETTY_NAME=”Debian GNU/Linux 8 (jessie)” NAME=”Debian GNU/Linux” VERSION_ID=”8″ VERSION=”8 (jessie)” ID=debian HOME_URL=”” SUPPORT_URL=”” BUG_REPORT_URL=” The OS is currently in a default state, I have done nothing […]

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WPA2-Personal Encryption is Now Pointless.

  “It is a secret in the Oxford sense. You may tell it to only one person at a time.” – Lord Franks (1905-1992) English academic, diplomat and philosopher   SHA-1 In the world of telecommunications and technology, nothing lasts forever.  When it comes to the issue of security, nothing is ever truly secure and nothing stays […]

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