Tuesday, January 02, 2024

Re: Weird network performance with iwn(4)

On 2024-01-02, Murat D. Kadyrov <murat@riseup.net> wrote:
> On Thu, Dec 21, 2023 at 09:23:42AM +0100, Stefan Sperling wrote:
>> On Wed, Dec 20, 2023 at 07:54:47PM +0000, Lévai, Dániel wrote:
>> > Danel Levai wrote:
>> > > Stuart Henderson wrote:
>> > > > I checked for openwrt support but your AP has a relatively uncommon
>> > > > Realtek SoC and it seems fairly unlikely to happen so you're probably
>> > > > stuck with the vendor firmware.
>> > > >
>> > > > Maybe try forcing "mode 11n" or "mode 11g" with ifconfig and see if
>> > > > that's any better.
>> > >
>> > > Interestingly enough, "mode 11g" won't join the AP. 11n works and it's a steady
>> > > 300KByte/sec, it doesn't go up and down like with 11ac.
>> > >
>> > > Anyway, I'll see if I can find myself another AP to deploy here, maybe it's just some
>> > > fringe compatibility issue.
>> > >
>> > > Daniel
>> >
>> > Just for the record, I totally missed trying the 2.4GHz SSID of this AP (it has a different name). I was only trying 5GHz with all modes - no wonder .11g wouldn't join (brain freeze)...
>> > So .11n actually works on 2.4GHz with this AP and iwm(4), and has a download speed of around 1,5-2,0MByte.
>> >
>> > Daniel
>> >
>> >
>>
>> This means the performance issue is specific to 11ac mode, correct?
>
> 11ac mode supported by OpenBSD?

Yes, for quite a while now, on bwfm iwm iwx.


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