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Well, the -chan command also fails...

soekris-01# ifconfig ath1 -chan
soekris-01# Oct 27 01:06:39 soekris-01 /netbsd: ath1: interrupting at 11
Oct 27 01:06:40 soekris-01 /netbsd: ath1: ath_chan_set: unable to reset
channel 8 (2447 Mhz)

>-----Original Message-----
>From: tech-net-owner@NetBSD.org [mailto:tech-net-owner@NetBSD.org] On
>Behalf Of List Mail User
>Sent: dimanche 31 octobre 2004 02:33
>To: gdt@ir.bbn.com; Konstantin.Kabassanov@lip6.fr
>Cc: tech-net@NetBSD.org
>Subject: Re: ath channel selection problem
>
>	Actually, the "ath" driver seems to have a bug where (at least for
>802.11a - not 802.11[bg] APs/routers) it will scan indefinitely and NEVER
>associate.  The workaround is to set a good channel (I have an ESSID with
>multiple APs sharing the same SSIDs, but on separate channels), wait a
>while,
>then "-chan" the card -- further scanning (after the first association)
>seems to work (the card will "roam" between APs, often at apparently
random
>intervals).  My /etc/ifconfig.ath0 looks like:
>
>	inet xxx.xxx.xxx.xxx netmask 0xXXXXXXXX media auto chan 50 mode
11a
>mediaopt turbo ssid "XXXXXXXX" nwkey 0xXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
up
>	!sleep 2
>	-chan
>
>	This "works" - failing to set an initial channel seldom if ever
>results in an 'a' association for any "ath" card I've tried ( any of
>521[1234] based cards ).  BTW.  the "turbo" doesn't affect this, `std.'
>802.11a acts the same for me, and this is on "-current".  Also, the
>ordering
>is very picky - you must set channel BEFORE "mode" & "mediaopt" or an
>error occurs.
>
>	Paul Shupak
>	paul@plectere.com
>
>P.S.  Yes, I know this should be a PR, but with time constraints and an
>easy
>workaround...
>
>>From tech-net-owner-track=Plectere.com@NetBSD.org Sat Oct 30 14:22:50
2004
>>Delivered-To: tech-net@netbsd.org
>>To: "Konstantin KABASSANOV" <Konstantin.Kabassanov@lip6.fr>
>>Cc: <tech-net@NetBSD.org>
>>Subject: Re: ath channel selection problem
>>References: <00c101c4bde3$763afe20$8748e384@ipv6.lip6.fr>
>>From: Greg Troxel <gdt@ir.bbn.com>
>>Date: 30 Oct 2004 17:22:15 -0400
>>In-Reply-To: <00c101c4bde3$763afe20$8748e384@ipv6.lip6.fr>
>>Lines: 11
>>User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3
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>>Sender: tech-net-owner@NetBSD.org
>>Precedence: list
>>
>>This probably doesn't belong on -net, but:
>>
>>With 802.11 interfaces, setting the channel is only sensible when
>>creating an IBSS (via 'mediaopt adhoc' in 2.0) or hostap.  In other
>>modes, the card searches for an AP to associate with.  Note that 'IBSS
>>channel' says 7.
>>
>>Are you trying to do IBSS mode, hostap, or BSS (regular client)?
>>
>>--
>>        Greg Troxel <gdt@ir.bbn.com>
>>

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