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The reason ethtool is not found is that it's installed in /usr/sbin/
and that's not on the default user path. (but is in the default root path)

Its not working but i got everything to work.

github.com/mgiaco/ecam_cnc/ => axis
github.com/mgiaco/ecam_cnc/tree/probe_basic => probe basic

Now i am try to get manual tool change to work as i like.

once all that's done, do the ping command PCW asked for and share it. It should be pretty good now.

type: sudo ethtool --set-eee eno1 eee off

this will be lost on boot so to make it permanent
type
sudo grub-customizer
open the second tab and on the line it says quiet, add: igb.EEE=0
save and reboot. 
check eee is off again with ethtool

With energy efficient Ethernet enabled, sometimes your NIC has a holiday which is not good for latency

Also type man hm2_eth and follow the instructions so disable coalescing if you have not done that yet on your 10.10.10.1 NIC

sudo ethtool works 

I have several motor controllers that are driven by differential signals (CLK, #CLK, DIR, #DIR) – the inputs (5V, Ri = 120 Ohm) are not optically isolated. At first glance, it seems that controlling it with my Mesa 7i76EU works perfectly.

For testing purposes, I'd like to use the parallel port or possibly a RP2040 – in addition, I have a "Benezan Mini Breakout Board" left over from a previous setup that I could use.
It would be great if there were a solution for this.

probably needs sudo ethtool

I installed ethtool and I am still getting command not found 

I did a video recently about this

Yes, the network is not setup properly (no fixed IP address)
 

sudo apt install ethtool
-
And the network is not set up properly or not connected???

I get command not found for some reason 

It sounds like the maybe Ethernet on the host has power management or enabled or something similar

what does:

ethtool --show-eee [ethernet device name]

report?

[ethernet device name] is the name of the Ethernet device connected to the 7I76E,
something like eth0 or eno1. You can get the device name from a the results of
the command

ip a



 

This problem has always been there, it is a new build I just completed last week and I have gotten this error from the start.

OK, the /INIT LED is illuminated on the 7I76E which means this is not a 7I76E power issue
but either a host or 7I76E network issue. (The /INIT LED indicates a watchdog bite)

Is this a new problems or has it always been there?