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Date: Wed, 12 Dec 2007 12:43:16 +0000
From: "Bruce M. Simpson" <bms@FreeBSD.org>
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To: Randy Bush <randy@psg.com>
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Cc: freebsd-net@freebsd.org, Ian Smith <smithi@nimnet.asn.au>
Subject: Re: ifconfig: BRDGADD vr1: Invalid argument
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My shot from the hip, although I'm pretty much away from this stuff at 
the moment.

Randy Bush wrote:
> # ifconfig bridge0 addm ath0 addm vr1 up
> ifconfig: BRDGADD ath0: Invalid argument
>   
ath0 is IFT_ETHER, so it should be OK to attach it to the bridge -- 
although you won't
get the 802.11 frames bridged.

Could be that for whatever reason, bridge fails to put ath into 
promiscuous mode. Try turning on the dev.ath.0.debug sysctl taps and/or 
watch what src/tools/tools/ath/athdebug/athdebug.c does...

BMS