[olug] Ubuntu losing network

[Larry Walls]

Another update and thanks again to everyone.  I am just keeping one set of
things tried:

Moved to another port on the switch, same issue.
Changed the patch cable, same issue.  Although I did realize I was connected
via Cat5 at GB speed so I swapped the patch cable for Cat 6.  Still same
issue.
Booted from LiveCD and have not had the issue again.  I will let it run
overnight just to make sure but so far so good (or bad as the case may be).
Ethtool reports both are set to autonegotiate (basically gave me the same
report as the sample provided).



On Tue, Nov 25, 2008 at 6:24 PM, Christopher Cashell <topher-olug at zyp.org>wrote:

> On Tue, Nov 25, 2008 at 4:22 PM, Larry Walls <larry.walls at gmail.com>
> wrote:
> > Here is another tidbit of info.  Looking back at some ifconfig results I
> > found this:
> >
> > When the box is connected and working, ifconfig reports eth0 and lo with
> a
> > correctly assigned IP address to eth0.  When the box is not working,
> > ifconfig reports no IP address assigned to eth0, continues to report lo,
> but
> > now also reports eth0:avahi with an IP address of 169.254.7.151.  I dont
> > know where or what this is coming from and obviously that IP address is
> no
> > good on my network.
>
> This was the first thing that came to me when I was reading your
> original e-mail, because I've had some serious issues with avahi on
> Ubuntu on a laptop.  It is supposed to be some sort of zeroconf
> program to setup networking on small networks with no real network
> config (as I understand it, I only glanced at it briefly).  All it's
> ever been to me was a huge pain in the ass.
>
> The fact that the Ethernet link seems to be dropping makes me think
> your specific issue here might not be related to avahi, but I would
> strongly recommend killing it entirely and seeing if that helps any.
> It was taking over the default route on my box and killing network
> connectivity constantly until I removed it.
>
> --
> Christopher
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