I love graphs. Just ask my wife. Any sort of metric I can get my hands on, I try to graph and display visually.
One of my favorite tools for graphing data is Cacti. As such, if it can be queried via SNMP, I want it on Cacti.
I have an HP MSM430 access point that I use in our home. It presents quite a bit of data via SNMP. I’ve developed some Cacti templates that can be used to graph average SNR for a station (a station is an SSID on an individual radio), as well as the number of users connected to a station.
Find it on github: https://github.com/shouptech/hp-msmAP-cacti
I’ve been having problems with a flaky DSL connection from CenturyLink. My modem would frequently ‘retrain,’ that is, disconnect and reconnect the DSL session. This is rather annoying, and since I use VoIP for most phone calls when I’m at home, very irritating.
I wanted a method to log the modem’s statistics and see if I could find any correlation with the drops. One of the unfortunate realities with consumer level equipment is the lack of standard monitoring capabilities. Most enterprise level equipment support SNMP, which allows various software programs to request information.
Continue reading Getting Modem Statistics to Cacti