Re: [Fwd: re: ath0 lost connection]

From: Marcos Biscaysaqu <marcos_at_thepacific.net>
Date: Tue, 02 Dec 2003 16:17:38 +1300
Hi there
    This may help:
Im turn the debug on Im I recive lot of this:

ath_start: encapsulation failure
ath_start: encapsulation failure
ath_start: encapsulation failure
ath_start: encapsulation failure
ath_start: encapsulation failure
ath_start: encapsulation failure
ath_start: encapsulation failure
ath_start: encapsulation failure
ath_start: encapsulation failure
ath_start: encapsulation failure
ath_start: encapsulation failure



Eric Anderson wrote:

> Marcos Biscaysaqu wrote:
>
>> Hi Eric.
>>    I have no loss connection  on 11b only on 11g, so for the moment 
>> im keep working with a Athreos Wireless card on hostap in 11b 
>> connecting 34 clients, and really is working VERY well until I have 
>> lot of Ierrs and Oerrs and the ping to the client go from 2 ms to 
>> 1000 ms and all work very slow until the errors go down and is fast 
>> again.
>> I tried different AP and different wireless card and the Atheros 
>> wireless card even in 11b is faster than any comecial 11b AP,  fixing 
>> the errors problem will be a very fast and strong AP.
>> I wish to know fix it, but Im don't know how, Im only can help 
>> testing.  :( 
>
>
> Hmm - I wonder if you are losing packets when the device thinks the 
> signal is weak, and it attempts to lower the connection speed to 
> increase reliability.  Maybe try forcing it down to a low speed (like 
> 1mb/s or something?) and seeing if it continues to happen..
>
> Maybe also try setting:
> sysctl hw.ath.debug=1
> and watch your dmesg/messages for hints..
>
> Eric
>
>> Eric Anderson wrote:
>>
>>> Marcos Biscaysaqu wrote:
>>>
>>>> On a simpler yet related config, I have a linksys ag520 pci card 
>>>> running with a linksys a/b/g AP. IT occasionally just loses 
>>>> connectivity, but simply re-execing the ifconfig line brings it 
>>>> back. Haven't found a rhyme or reason yet.
>>>>
>>>> I'd send this to the FBSD list, but I just moved server IP blocks 
>>>> and the reverse DNS stuff hasn't propagated yet.
>>>
>>>
>>>
>>>
>>> I'm having the same problem - Sam knows about it (I've been annoying 
>>> him for about a week and a half with info - sorry Sam!)..  I think 
>>> he may be working on it, but he may want more details from you.
>>> One question - does it drop when in A, B, and G modes?  Or just one 
>>> mode?  It seemed to me that my connection was better when using 11b 
>>> mode (to a B/G ap).  Just curious.
>>>
>>> Also - is "shared" mode authentication ever going to work in 
>>> FreeBSD?  Does anyone know what the problem with it is?
>>>
>>> Eric
>>
>>
>

-- 

Marcos Biscaysaqu

Systems Administrator
ThePacific.Net Ltd.
Received on Mon Dec 01 2003 - 18:18:16 UTC

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