System Drops Network Connection

[Colin Law]

On 24 December 2013 09:17, Jay Ridgley <jridgley2 at austin.rr.com> wrote:
> Folks,
>
> Recently one of my systems started dropping the connection to my network. If
> I reboot the system it is up for a while as long as no one is doing anything
> on it(no logins and no printing) but it will drop the connection after a
> time. My gut feel is that Network Manager is causing the problem but I do
> not know where to look to find the problem.
>
> There has been no changes made for the configuration files yet this happens.
>
> I have found some information with Google about this type of problem but I
> have not been able to find a solution.
>
> I use a static wired connection to my network.
>
> System is running Ubuntu 12.04.3 LTS (GNU/Linux 3.2.0-57-generic i686) all
> updates have been applied.
>
> I have two systems that are configured in the same manner one has no
> problems the other does. Any ideas?

Anything in /var/log/syslog?

When you say it goes down, do you mean it says it is disconnected or
just is not working?
What happens if you unplug the cable and put it back?

Colin