Observing Retransmissions with Wireshark (by Tony Fortunato)
Perls Of Wisdom (by Tony Fortunato)

MRTG Quickstart (by Tony Fortunato)

Good old MRTG.  This is the quickest, most flexible network polling system that I have ever played with.

This software is priceless when troubleshooting or monitoring equipment after a build.  I have run this from old laptops with only 2 GB or RAM, 1 Ghz processor and 80 GB hard drive with no issue. You can graph any numeric value via SNMP or logs.

In this video, I show you how to get this up and running in just a few steps.




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