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List:       opensuse
Subject:    Re: why did eth0 suddenly stop working? Again and very strange!
From:       Daniel Bauer <linux () daniel-bauer ! com>
Date:       2023-07-09 13:46:52
Message-ID: fc703d0b-f0f9-7255-31ce-545312db1772 () daniel-bauer ! com
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Am 09.07.23 um 14:44 schrieb Masaru Nomiya:

> DB>  I can't find anything on how to update firmware for this model.
> 
> DB>  Apart I doubt it is that. The very same switch with the very same
> DB>  cameras, cables etc. have been working for a long time (and
> DB>  several months uptime) with my laptop without any problems. And
> DB>  still work immediately after plugging to the laptop.
> 
> DB>  I just replaced the laptop with a new mini PC and since then this
> DB>  strange problem occurs.
> 
> How about testing with ethtool?

I just tried to understand a bit ethtool's man page. With not much 
success, I must confess... What could I find out with it, and how?

The problem is that everything works perfect for some days without any 
problems, and then all of a sudden it stops working. As much as I know, 
my switch doesn't have a log.

I could do, of course, some tests after it happens the next time, but 
which ones?
-- 
Daniel Bauer photographer Basel Málaga
https://www.patreon.com/danielbauer
https://www.daniel-bauer.com
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