Hello Andrew,
Thank you for the suggestion.
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> > > Since you have batteries included python:
> > >
> > > ethtool --json enp2s0
> > > [sudo] password for andrew:
> > > [ {
> > > "ifname": "enp2s0",
> > > "supported-ports": [ "TP","MII" ],
> > > "supported-link-modes": [
> > > "10baseT/Half","10baseT/Full","100baseT/Half","100baseT/Full","1000b
> > > aseT/
> > > Full" ],
> > > "supported-pause-frame-use": "Symmetric Receive-only",
> > > "supports-auto-negotiation": true,
> > > "supported-fec-modes": [ ],
> > > "advertised-link-modes": [
> > > "10baseT/Half","10baseT/Full","100baseT/Half","100baseT/Full","1000b
> > > aseT/
> > > Full" ],
> > > "advertised-pause-frame-use": "Symmetric Receive-only",
> > > "advertised-auto-negotiation": true,
> > > "advertised-fec-modes": [ ],
> > > "auto-negotiation": false,
> > > "master-slave-cfg": "preferred slave",
> > > "master-slave-status": "unknown",
> > > "port": "Twisted Pair",
> > > "phyad": 0,
> > > "transceiver": "external",
> > > "supports-wake-on": "pumbg",
> > > "wake-on": "d",
> > > "link-detected": false
> > > } ]
> > >
> > > You can use a json library to do all the parsing for you.
> >
> > I tried running the --json option with the ethtool ("ethtool --json enp9s0"),
> however I am not getting the above output.
> > Instead it always throws "ethtool: bad command line argument(s)"
> > I am figuring out what might be missing (or any suggestions would be
> helpful).
>
> Are you using real ethtool, or busybox? What version of ethtool? I'm using
> 6.10, but it looks like JSON support was added somewhere around 5.10.
I have been using ethtool 6.7, updating to ethtool 6.10 solved the problem.
