Subj : Re: Dual wifi connections in Bookworm
To   : Lawrence D'Oliveiro
From : bp@www.zefox.net
Date : Mon Nov 25 2024 02:10:13

Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
> On Sun, 24 Nov 2024 20:58:42 -0000 (UTC), bp wrote:
>
>> There's still something funny about the two channels when used
>> separately. The internal wifi shows  ~5 ms pings to the access point
>> with no other traffic but seconds of delay when watching Youtube
>> videos. The external wifi alone shows ~2 ms delays when idle and
>> only about 4 ms when watching YouTube.
>
> Are you sure the unused interface is turned completely off -- no radio
> transmissions at all?

No, the only measure I have is wavemon running on the Pi5. It would
be nice to ask the access point what it can see, but that feature is
not offered, AFAIK.

When ifconfig takes the unused interface down wavemon stops reporting
for it. At the moment there's a mismatch between what wavemon reports
and what the GUI stataus indicator of the Pi5 reports. The latter states
that both internal and external wifi interfaces are present and active,
but ifconfig shows only the external wifi interface active with an IP
number. The GUI indicator is also greyed out, as if historical.

Between what ifconfig reports and wavemon displays I tend to think
the unused interface is inactive. However, I'm not certain.

Thanks for writing!

bob prohaska

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