Any possibility that malware is on a system and is using your
connection?  As soon as you start trying to use the network, it shuts
down (ostensibly to avoid being detected).  Then, when the network is
idle again, it starts back up and begins consuming bandwidth.  It
could explain the slow connection.

I'd suggest a network monitor port and watch the network traffic
overnight and see if anything shows up.

On Mon, Jan 3, 2022 at 5:50 PM Paul Boniol <paul.bon...@gmail.com> wrote:
>
> Both Sunday morning and this morning, I had home internet issues.
>
> Yesterday, wireless was very slow, wired was not functioning. I rebooted 
> everything. Wireless was still a bit slow at first, but functional. The wired 
> network was still not working. I saw there was a wifi router update so I 
> applied that. Still no joy on the wired network.  Things were busy, so when I 
> got back to it about 2 hours later, the wired network had magically started 
> working again.  The network worked fine the rest of the day.
>
> This morning when I woke up, wireless was working fine. Wired was again not 
> functioning, but magically started within about 10 minutes, so I didn't have 
> time to diagnose the problem.  (With it working, I have moved the wires in 
> the closet all around with no ill effect.)
>
> My first inclination is that the unmanaged switch is starting to fail.? 
> Probably slim chance, maybe there's some misbehaving device?  (There are no 
> new devices within the last few weeks, but I can't rule out some bad software 
> update to some device.)
>
> Any thoughts?  If it wasn't intermittent, it would be a lot easier to 
> diagnose.
>
> Paul
>
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