Hi. On Tue, Jun 29, 2021 at 07:57:36AM -0400, Albretch Mueller wrote: > On 6/26/21, Reco <recovery...@enotuniq.net> wrote: > > On Sat, Jun 26, 2021 at 07:22:36PM +0000, Albretch Mueller wrote: > >> Are you sure I don't need any extra drivers? > > > > Depends on what you mean by here. > > > > Does dm9601 need a firmware? No, modinfo says it plain and clear. > > Does dm9601 need some other kernel modules to be loaded? Yes, it needs > > usbnet, usbcore and mii, but both udev and modinfo take care of that. > > So, basically, Linux is registering/handling that USB-RJ47 interface > fine. What could then be causing some sort of impedance? How can I > troubleshoot such issues more in depth to be able to determine to > which extent it depend on hw or sw?
I cannot add anything to what I wrote earlier. If it's OSI Level 1 - tinker with cables. If it's OSI Level 2 - ethtool is your friend. Reco