[ANSS-netops] cell modems and first of the month

[Robert Wurth]

Hi all

I am using both sprint and verizon modems and they have worked very well
for us.  I do have a dsl router behind all the modems we are using and I am
not using any of the advanced features of the modem ie the nat and such.  I
do see something strange in the router logs of the router behind the sprint
and verizon modems.  They seem to force a reconnect to the internet every 2
hours.  The verizon modems do it approx every 4 hours but the systems seem
to not really care and continue to run.

I am just wondering if the lockup problems with some of the modems is due
to the nat software in the modems.  I know that I have heard that there
have been issues with some of the modem software in the past, but I have
had these running several months and have not had to do anything to them.
Knock on wood!!!!!

Bob


[Internet connected] IP address: 24.221.34.15, Friday, Dec 02,2011 07:59:59
[Internet connected] IP address: 24.221.34.15, Friday, Dec 02,2011 05:59:58
[Internet connected] IP address: 24.221.34.15, Friday, Dec 02,2011 03:59:58
[Internet connected] IP address: 24.221.34.15, Friday, Dec 02,2011 01:59:58
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
23:59:58
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
21:59:58
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
19:59:58
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
17:59:58
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
15:59:58
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
13:59:58
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
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[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
09:59:58
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
07:59:50
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
05:59:49
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
03:59:50
[Internet connected] IP address: 24.221.34.15, Thursday, Dec 01,2011
01:59:50
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
23:59:49
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
21:59:50
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
19:59:50
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
17:59:49
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
15:59:50
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
13:59:50
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
11:59:49
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
09:59:50
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
07:59:42
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
05:59:41
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
03:59:41
[Internet connected] IP address: 24.221.34.15, Wednesday, Nov 30,2011
01:59:42
[Internet connected] IP address: 24.221.34.15, Tuesday, Nov 29,2011 23:59:41
[Internet connected] IP address: 24.221.34.15, Tuesday, Nov 29,2011 21:59:41
[Internet connected] IP address: 24.221.34.15, Tuesday, Nov 29,2011 19:59:42
[Internet connected] IP address: 24.221.34.15, Tuesday, Nov 29,2011 17:59:41
[Internet connected] IP address: 24.221.34.15, Tuesday, Nov 29,2011 15:59:41
[Internet connected] IP address: 24.221.34.15, Tuesday, Nov 29,2011 13:59:42


On Fri, Dec 2, 2011 at 8:54 AM, Philip Crotwell <crotwell at seis.sc.edu>wrote:

> Hi all
>
> We use raven-x cell modems on both verizon and at&t and have noticed
> that often a large percentage of the stations will go offline shortly
> after midnight on the first of the month. Not always, and not exactly
> at midnight, but usually between midnight and 2am. Usually the
> stations come back after our daily cell modem power cycle. It seems to
> happen more often with Verizon, but has also happened with AT&T. Tech
> support is as usual completely useless as they suggest "turn off the
> power and turn it back on again" and seem very surprised when I tell
> them I can't.
>
> Has anyone else seen this odd behavior? Any words of advice?
>
> thanks,
> Philip
> _______________________________________________
> ANSS-netops mailing list
> ANSS-netops at geohazards.usgs.gov
> https://geohazards.usgs.gov/mailman/listinfo/anss-netops
>



-- 
Robert Wurth
AV Computer Tech
Department of Atmospheric and Earth Sciences
St Louis University
205 O'Neil Hall
3642 Lindell Blvd.
St. Louis, MO 63108, USA
Phone (314) 977-3137, 314-977-3135
 Fax (314) 977-3117
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