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Date:      Sun, 16 Apr 2017 12:22:39 -0700
From:      Adrian Chadd <adrian.chadd@gmail.com>
To:        Matthias Apitz <guru@unixarea.de>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: poor WLAN throughput in only one direction
Message-ID:  <CAJ-Vmo=CkveSKcYrzd=HaKFA5O9MfqiShMoEctf3vwUWm%2BmgyA@mail.gmail.com>
In-Reply-To: <20170416174731.GA5470@c720-r314251>
References:  <20170416174731.GA5470@c720-r314251>

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Compile with ieeei0211 debug and then use

wlandebug +rate

On Apr 16, 2017 10:47 AM, "Matthias Apitz" <guru@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, =E2=9C=89 guru@unixarea.de, =E2=8C=82 http://www.unixarea=
.de/  =E2=98=8E
> +49-176-38902045
> _______________________________________________
> freebsd-wireless@freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-wireless
> To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.or=
g
> "



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