poor WLAN throughput in only one direction

[Adrian Chadd]

Compile with ieeei0211 debug and then use

wlandebug +rate

On Apr 16, 2017 10:47 AM, "Matthias Apitz" <guru at unixarea.de> wrote:

>
> Hello,
>
> I have some laptops and servers in my WLAN/LAN, all connected to the
> same router and same subnet 192.168.2.x; they all run the same
> 12.0-CURRENT r314251 amd64:
>
> The following NICs are involved:
>
> Acer C720:  WLAN ath0: AR9460 mac 640.2 RF5110 phy 2456.12
> Dell e6330: WLAN rtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R
> Dell r210:  LAN  bce0: <QLogic NetXtreme II BCM5716 1000Base-T
>
> The transfer rate between them for a gzip'ed file transfer with scp are:
>
> r210  --> C720    1.7MB/s
> e6330 --> r210    1.8MB/s
>
> but:
>
> e6330 --> C720    120KB/s, ... 30KB/s
>
> What can I check to resolve the poor rate from the e6330 to the C720?
> The other direction i.e. from C720 to e6330 is fine.
>
> Thanks
>
>         matthias
> --
> Matthias Apitz, ✉ guru at unixarea.de, ⌂ http://www.unixarea.de/  ☎
> +49-176-38902045
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