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Date:      Mon, 01 Dec 2003 22:14:23 -0600
From:      Eric Anderson <anderson@centtech.com>
To:        Marcos Biscaysaqu <marcos@thepacific.net>
Cc:        freebsd-current@freebsd.org
Subject:   Re: [Fwd: re: ath0 lost connection]
Message-ID:  <3FCC119F.6040906@centtech.com>
In-Reply-To: <3FCC0C7C.8060306@centtech.com>
References:  <3FC858F6.2090403@thepacific.net> <3FCBFBDD.6000404@centtech.com> <3FCC0097.2060900@thepacific.net> <3FCC0279.8010200@centtech.com> <3FCC068E.5060205@thepacific.net> <3FCC0C7C.8060306@centtech.com>

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Eric Anderson wrote:

[..snip..]

>> ath_rate_ctl: 2M -> 1M (0 ok, 1 err, 1 retr) 
>
>
> If you are down to 1M, I think you may need to check signal strength 
> and such.  I'd start with my testing near the AP (in sight of it at 
> least). 


Ok - I don't usually talk to myself (not in public anyway) - but here 
are my findings.  When in 11b mode, everything works fine (I didn't try 
going to the edge of my coverage area though - too comfortable on my 
couch).  When in 11g mode, I see the rate flap up and down between 48M 
and 24M, and each time it switches, it loses some packets in between 
modes.   I just now manually set my client (FreeBSD of course) to 36M, 
and it seems to be holding up for now.  Here's all I did:

ifconfig ath0 media OFDM/36Mbps mode 11g

Give that a try on the FreeBSD AP, and see if that helps at all (you may 
want to try the 11b modes, like:
ifconfig ath0 media DS/2Mbps mode 11b
or something..

Eric



-- 
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Eric Anderson	   Systems Administrator      Centaur Technology
All generalizations are false, including this one.
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