(maybe OT)
(dual boot: fedora-34 and windows-7; gnome)
Usually, I use my home workstation with a direct ethernet connection to
my modem. A yellow cable goes from the modem to the yellow receptacle
on the back of the tower.
Occasionally, I go through a router. The yellow cable goes from the
modem to the yellow receptacle on the back of the router, and a blue
cable goes from any of 4 black receptacles on the back of the router to
the yellow receptacle on the back of the tower. This has worked fine
for a few years now: for the tower (both Fedora and windows) and for my
ipad.
But now it does not work: not for Fedora, not for windows, not for the
ipad. Fedora shows no connection; I've found no way of diagnosing the
problem. The ipad seems to sense the wifi signal, but there's no hint
of data (all attempts to use the internet time out); I don't know of any
way of diagnosing the problem. In windows, the indicator shows no
internet connection; its diagnostic tool says something about "teredo"
being disabled? deactivated? by the sysadmin.
Using the router last worked in mid August (fedora-33 on my
workstation). I did not attempt to use it between then and this past
Wednesday.
The upgrade from f-33 to f-34 occurred between the last time I
successfully used the router and the first time it didn't work. Is that
just a coincidence, or did the upgrade have something to do with it?
How do I get my workstation, ipad, and the router working?
For the f-33 to f-34 upgrade, the tower was connected directly to the
modem; the router wasn't even powered up. But might f-34 have done
something to the router when I connected them? The router is a D-Link
AC1200; it's between 3 and 4 years old.
Thank-you in advance.
Bill.
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