Aug 022012
 

One of the drawbacks of living outside of city limits in Iowa… Internet connectivity is an issue. Century Link (formerly Qwest) is the telco for the area and our ISP. The service has never been stable, or even close. If good fortune was smiling upon us, it would stay connected for 6 hours or so. I think it was more normal to get 15-90 minutes of internets at a time. A tech did look at our connection, and things have improved, but it’s still not great.

I wanted to test the house wiring before blaming the ISP or the house. Luckily CenturyLink has a support page on exactly this topic. http://qwest.centurylink.com/internethelp/wired-dmarc.html

Unplugged the house and plugged directly into the line feeding the house.

And compare the signal levels from inside to outside…

The only change I was able to find was the estimated loop length doubled. I have no idea what this means.

A full screenshot of the modem status from earlier in the day. The signal definitely does fluctuate through the day.

Better log its behavior to see if it gives any clues as to why it’s so terrible.

Instead of figuring out logging disconnections for myself, I remembered a post I had seen a while. While I modified it slightly, it’s almost exactly a copy of http://blog.thelifeofkenneth.com/2010/12/track-changing-public-ip-addresses-with.html

The connection is so unstable that I might miss a new IP if I were to run it on the hour, so I have it running every minute.

Data from Aug 3, 2012

 ---- Public IP Address Log ----

Fri Aug  3 00:06:01 CDT 2012 % 
Fri Aug  3 00:14:01 CDT 2012 % 97.119.60.227
Fri Aug  3 00:19:01 CDT 2012 % 
Fri Aug  3 00:22:01 CDT 2012 % 97.119.71.187
Fri Aug  3 00:24:01 CDT 2012 % 
Fri Aug  3 01:15:01 CDT 2012 % 97.119.58.160
Fri Aug  3 01:53:01 CDT 2012 % 97.119.70.121
Fri Aug  3 01:54:01 CDT 2012 % 97.119.65.81
Fri Aug  3 01:55:01 CDT 2012 % 97.119.68.169
Fri Aug  3 01:57:01 CDT 2012 % 
Fri Aug  3 10:09:01 CDT 2012 % 97.119.69.225
Fri Aug  3 10:11:01 CDT 2012 % 
Fri Aug  3 11:00:01 CDT 2012 % 97.119.57.95
Fri Aug  3 11:13:01 CDT 2012 % 
Fri Aug  3 11:24:01 CDT 2012 % 97.119.70.198

I’m starting with the assumption that line conditions aren’t going to change as quickly as IP. I’ve modified my cable modem monitoring to scrape the data from the ZyXEL PK5000Z DSL modem/router. http://www.ragingcomputer.com/2011/11/cable-modem-monitoring-w-perl

I’ve formatted the output to a table.

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Date Time Broadband
Status
ISP
Status
Down
SNR
Up
SNR
Down
Atten-
uation
Up
Atten-
uation
Down
Pwr
Up
Pwr
08/03/2012 00:00:01 CONNECTED CONNECTED 21 7 45 31 18 12
08/03/2012 00:15:01 CONNECTED CONNECTED 17 6 48 31 14 12
08/03/2012 00:30:02 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 00:45:02 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 01:00:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 01:15:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 01:30:02 CONNECTED CONNECTED 13 6 48 31 18 12
08/03/2012 01:45:02 CONNECTED CONNECTED 16 6 48 31 18 12
08/03/2012 02:00:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 02:15:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 02:30:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 02:45:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 03:00:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 03:15:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 03:30:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 03:45:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 04:00:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 04:15:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 04:30:02 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 04:45:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 05:00:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 05:15:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 05:30:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 05:45:02 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 06:00:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 06:15:02 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 06:30:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 06:45:02 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 07:00:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 07:15:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 07:30:02 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 07:45:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 08:00:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 08:15:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 08:30:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 08:45:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 09:00:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 09:15:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 09:30:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 09:45:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 10:00:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 10:15:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 10:30:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 10:45:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 11:00:01 NOT CONNECTED NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 11:15:01 CONNECTING NOT CONNECTED N/A N/A N/A N/A N/A N/A
08/03/2012 11:30:01 CONNECTED CONNECTED 20 6 48 31 15 12
08/03/2012 11:45:01 CONNECTED CONNECTED 21 6 48 31 15 12
08/03/2012 12:00:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 12:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 12:30:02 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 12:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 13:00:02 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 13:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 13:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 13:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 14:00:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 14:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 14:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 14:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 15:00:02 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 15:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 15:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 15:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 16:00:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 16:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 16:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 16:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 17:00:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 17:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 17:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 17:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 18:00:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 18:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 18:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 18:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 19:00:02 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 19:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 19:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 19:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 20:00:02 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 20:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 20:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 20:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 21:00:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 21:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 21:30:02 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 21:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 22:00:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 22:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 22:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 22:45:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 23:00:02 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 23:15:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 23:30:01 CONNECTED CONNECTED 22 6 48 31 15 12
08/03/2012 23:45:01 CONNECTED CONNECTED 22 6 48 31 15 12

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