Ping packet loss w/Intel 2200BG (iwi) on FreeBSD 11.0

[Adrian Chadd]

Hi

Good catch on wme. Maybe some configuration is wrong.

Can you do an iperf udp test in both directions and see what you find?

Adrian


On Apr 17, 2017 2:38 PM, "epmak epmak" <epmakk at gmail.com> wrote:

> Ping packet loss w/Intel 2200BG (iwi) on FreeBSD 11.0
>
> Hi,
>
> Sorry if it’s a repost. But I wasted/sacrificed a few days (weekends!!!)
> and found no solution to my problem online, and almost got to a point of
> hopelessness and giving up on freebsd.
>
> The problem:
>
> - ping 127.0.0.1 or assigned ip - 0% packet loss;
> - ping [some remote host] > 20% packet loss (both ways);
>
> 1. The issue exists for 11g regardless of WPA2 or authmode:OPEN (no
> wpa_supplicant);
>
> 2. It’s not due to faulty hardware; I have two ThinkPad T43 (I know, it’s
> 2017, but I’m a sucker for this kind of fun), they both exhibit the
> problem;
>
> 3. There are absolutely no issues with setting up wlan0 interface: cloning
> (ifconfig wlan0 .. create wlandev iwi0..), wpa_subblicant, dhclient wlan0 –
> everything works like a charm. Thank you!!!;
>
> I didn’t want to give up on freebsd w/o a fight and started trying out
> different ‘ifconfig .. create ..’ settings.
>
> The ' -wme' field did the trick for me:
>
> # ifconfig wlan0 create wlandev iwi0 -wme up
>
> I only have 1% packet loss now, which I can live with.
>
> # pciconf -lv
> ..
> iwi0 at pci0:4:2:0: class=0x..
> ..
> device = 'PRO/Wireless 2200BG [Calexico2] Network Connection'
> class = 'network'
> ..
>
> # ifconfig wlan0 list caps
> drivercaps=..<STA,IBSS,PMGT,SHPREAMBLE,MONITOR,MBSS,WPA1,WPA2,WME>
>
>
> Hope this helps someone.
>
> -epmakk
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