On Tue, 2020-02-04 at 12:46 -0600, Roger Heflin wrote:
> The only other way I know to change the speed is with ethtool and/or
> setting something in the bios for the specific network card (see
> during post).   I don't think gigabyte puts in the the normal bios,
> but I seem to remember there being 2-3 settings in the network card
> bios including a cable length detect option and 2 other options which
> may let one limit speed.

I haven't looked at the BIOS but I'll check it out.

> You said it is a managed switch, you do have the switch set to auto
> right?   If the switch is hard set and the node is auto the standard
> says the auto guy will default to 100/half I think (maybe 100full),
> but certainly not Gbit anything.  Both ends *MUST* be set exactly the
> same for it to work, auto with anything other than auto will act
> badly.

I didn't say it was a managed switch. It's a basic home router called a
Fritz!Box 7530. Its management console says that the 4 LAN ports are
configured to allow 1Gbps but my desktop is connected at 100Mbps.
Ironically, my 10-year old NAS box is connected at 1Gbps.

> auto/auto is what you want, It has been 15+ years since I have seen
> any combination that actually needed to be hard set to work right.

Same here. I just leave it alone. I don't think the router end even
allows you to set the speed (i.e. the setting it has is a cap).

poc

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