On Sun, Mar 7, 2021 at 4:46 PM IL Ka <kazakevichi...@gmail.com> wrote:
> A random thought: > Check mac addresses, make sure they aren't the same. > Thanks for the thought. That is a reasonable sanity check. But as it happens, all the mac addrs on all these boxes are different --- i've accumulated a list of them due to various adventures in trying to get the networking functional :) :) [Although, i guess i do not know the mac addr of the modem-router --- is there a user-level move i can make on my debian box to see what the mac addr of my modem-router is?] dan > > > On Mon, Mar 8, 2021 at 3:36 AM Dan Hitt <dan.h...@gmail.com> wrote: > >> >> >> On Sun, Mar 7, 2021 at 4:25 PM IL Ka <kazakevichi...@gmail.com> wrote: >> >>> >>>> The reason for the two networks is that my modem-router is electrically >>>> incompatible with one of my computers. >>>> >>> hmm, I never heard about such things) >>> Is your electrical grounding configured correctly? >>> >>> In my country some old apartments do not have third (ground) wire. I've >>> seen a lot of glitches because of that. >>> >>> Have you tried to install an ethernet switch? >>> >> >> yes i did, and it did not work --- just the fact that the router was in >> contact with the incompatible model even through a switch was enough to >> make it malfunction. :( >> >> dan >> >>> >>> You can connect your modem-router to the ethernet switch, and connect >>> all PCs to this switch. It may help. >>> >>
