Date: Sat, 31 Mar 2001 12:17:58 -0800 From: "Kevin Oberman" <oberman@es.net> To: Duncan Barclay <dmlb@dmlb.org> Cc: Jim Binkley <jrb@cs.pdx.edu>, freebsd-mobile@FreeBSD.ORG Subject: Re: 802.11 interop testing Message-ID: <200103312017.f2VKHwc00505@ptavv.es.net> In-Reply-To: Your message of "Sat, 31 Mar 2001 11:04:24 %2B0100." <XFMail.010331110424.dmlb@computer.my.domain>
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> Date: Sat, 31 Mar 2001 11:04:24 +0100 (BST) > From: Duncan Barclay <dmlb@dmlb.org> > Sender: owner-freebsd-mobile@FreeBSD.ORG > > On 30-Mar-01 Jim Binkley wrote: > > > > Things that go bump in the night: > > > > I could not get the lucent cards in any mode (didn't try IBSS > > though), (old ad hoc, and infrastructure) to do promiscuous mode. > > Linux driver or freebsd driver. Didn't matter. > > I can postulate a reason for this. There are four types of packet in > 802.11, and maybe the Lucent cards only do promiscious mode on > packets from a station to station (i.e. IBSS). Packets in an BSS > network have a different header, in which the ethernet addresses > change a bit. The Lucent cards may not deal with this. If you can > somehow hack the mutlicast list and add the BSS address, you may be > able to fake promiscuous mode. > > On the other hand it may simply not supported. I'll need to go through some old release notes, but I believe that a recent (about 6 month old) firmware "upgrade" for the Lucent cards listed removal of promiscuous mode operation. I think Lucent deliberately removed the capability for security reasons. R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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