Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

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



 

I get command not found for some reason 

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

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

I did a video recently about this

I installed ethtool and I am still getting command not found