netdev - Re: Firmware errors and warnings with Centrino Advanced-N 6205

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Message-ID: <1321918171.1834.7.camel@wwguy-ubuntu>
Date:	Mon, 21 Nov 2011 15:29:31 -0800
From:	wwguy <wey-yi.w.guy@...el.com>
To:	Udo Steinberg <udo@...ervisor.org>
Cc:	Linux Network Mailing List <netdev@...r.kernel.org>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
Subject: Re: Firmware errors and warnings with Centrino Advanced-N 6205

Base on the information you provide, I am prettyr sure you are using
pure-40MHz. 

Is there any chance you have the access to the AP and check on it
configuration? is it "pure-40MHz above", could you either change it to
"20/40 MHz mixed mode", or change it to "pure-40MHz below" and see if
the problem is exist?

Thanks
Wey


On Mon, 2011-11-21 at 15:28 -0800, Udo Steinberg wrote:
> On Mon, 21 Nov 2011 14:48:44 -0800 wwguy (W) wrote:
> 
> W> btw, are you using pure 40MHz mode on your AP?
> 
> Hi Wey,
> 
> I am not sure, but I believe it's running some mix of 802.11 b/g/n.
> 
> The Linux that runs on the Fritz!Box says:
> 
> ath0      IEEE 802.11ng  ESSID:"XXX"  Nickname:""
>           Mode:Master  Frequency:2.412 GHz  Access Point: 00:24:FE:41:8D:0E   
>           Bit Rate:0 kb/s   Tx-Power:19 dBm   Sensitivity=0/3  
>           Retry:off   RTS thr:off   Fragment thr:off
>           Encryption key:XXXX-XXXX-XXXX-XXXX-XXXX-XXX-XXXX-EBCB [2]   Security mode:open
>           Power Management:off
>           Link Quality=49/94  Signal level=-60 dBm  Noise level=-109 dBm
>           Rx invalid nwid:3  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
> 
> The web interface shows that the AP uses channels 1-7 and sends on channel 1.
> I've attached a screenshot. Yellow bars indicate other WLANs and grey bars
> are other interference.
> 
> Cheers,
> 
> 	- Udo


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