Date: Sun, 28 Jul 2002 06:45:17 +0200 (SAT) From: John Hay <jhay@icomtek.csir.co.za> To: imp@bsdimp.com (M. Warner Losh) Cc: daved@nostrum.com, freebsd@guldan.demon.nl, freebsd-mobile@FreeBSD.ORG, erik@pentadon.com Subject: Re: (Retry) Bridging a wi-device with a LAN-adapter Message-ID: <200207280445.g6S4jHV15973@zibbi.icomtek.csir.co.za> In-Reply-To: <20020727.221529.98468265.imp@bsdimp.com> from "M. Warner Losh" at "Jul 27, 2002 10:15:29 pm"
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> In message: <131F69C1-A1AE-11D6-9CAF-0003930B3DA4@nostrum.com> > David J Duchscher <daved@nostrum.com> writes: > : I have been playing with bridging with wi driver (in hostap mode) > : the last few days and have seen some interesting behavior. For one, > : performance falls through the floor. This seem related to > : promiscuous mode and maybe associated with hostap mode. Performance > : of ng_bridge and BRIDGE came out the same. On ng_bridge, I turned > : off promiscuous mode on the wi interface and things still worked. > : Performance also went back up to pre bridging levels. I have no > : idea why and haven't had time to play more. > > I was at a party tonight with Todd Miller, who lives in the area and > did a lot of the OpenBSD hostap work. He tells me that if you are in > promiscuous mode, that hostap performance falls to heck (1Mbps), but > if you take it out of promiscuous mode performance returns. One of > the changes in OpenBSD that I have on my to look at list is related to > this. You do realise that you don't need it in promiscious mode if you want to do bridging? I do bridging with it (using netgraph), I just don't put it in promiscious mode. I basically took the script /usr/share/examples/netgraph/ether.bridge and hacked it to not put the wi driver in promiscious mode. John -- John Hay -- John.Hay@icomtek.csir.co.za / jhay@FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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