It may be that prior it switched down to 2.4ghz it stayed there. And
that the change is every so often it tries to now go back to the
higher bandwidth one.
I know that on a single router, the 2.4Ghz signal has significantly
better range and is more reliable so any weakness in the 5ghz signal
from obstructions would cause you to switch to the 2.4.
I used to have my wifi randomly drop on 5ghz and not even seem to
reconnect at all to anything (so much I had a script that ping the gw
and if not pingable or really slow restarted the connection but
eventually I just disabled 5ghz to maintain stability), but after
replacing the card with a newer intel AX200 wifi card it got much more
stable and stays on the 5ghz band.
5ghz is tricky especially apparently with the older wifi cards, and it
also seems to be worse depending on how new of technology the router
has.
On Fri, Nov 19, 2021 at 8:36 AM Scott Talbert <swt2c(a)fedoraproject.org> wrote:
>
> > On 11/19/21 00:17, Ed Greshko wrote:
> >
> > Given those MAC addresses, that's a quite likely scenario. The question
> > is still why are things getting disconnected and those logs are not
> > suitable for answering that question. It looks like dmesg output,
> > journalctl output would be much better.
>
> So yeah, my AP has both 2.5 GHz and 5 GHz radios, both with the same SSID. So it
seems my Fedora laptop is toggling between the two bands. 74:83:c2:03:5e:61 is the 2.5
GHz and 7a:83:c2:04:5e:61 is the 5 GHz.
>
> I'll provide the journalctl logs later.
>
> Thanks,
> Scott
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