Re: Ethernet port "bounce" command?

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Make sure to set the PI end to match.   The 100Mbit/full auto-neg
failure default is 10mbit/half and works badly with the other end
running 100/full.

As someone also said you might want to try a 100Mbit crossover cable.
The gig port would need to figure out correctly that it needs to have
2 pairs swapped and also apply the auto-neg process to the swapped
pairs.   It may be that forcing 100/full simplifies this process or it
may be that a crossover cable with the correct pairs swapped removes
the steps that don't happen right all of the time.


On Sat, Feb 27, 2021 at 8:55 PM Ed Greshko <ed.greshko@xxxxxxxxxxx> wrote:
>
> On 28/02/2021 10:36, Samuel Sieb wrote:
> > So this confirms what I was suspecting.  The 10M you see at first is the "default" state of the ethernet card where it's watching for the wake-on-lan signal.  Once the kernel boots and initializes the card, the card tries to auto-negotiate.  This seems to be failing due to some interaction between the pi's network device and this one.
>
> If it is an issue of auto negotiation one could also try using nmcli to set
>
> 802-3-ethernet.auto-negotiate:  to no and as well as the appropriate settings for
>
> 802-3-ethernet.speed:
> 802-3-ethernet.duplex:
>
> in the connection settings.
>
> Or use the appropriate GUI if more comfortable with that.  :-)
>
> --
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