Re: Ad-Hoc with Windows?

In message: <[email protected]>
            "Greg 'groggy' Lehey" <[email protected]> writes:
: On Friday,  3 May 2002 at  8:22:21 -0600, Warner Losh wrote:
: >>> - The BSDs are doing it wrong.  We should be using IBSS mode, not demo
: >>>   ad-hoc.
: >
: > ad-hoc is insufficient.  We should create a media option like OpenBSD
: > has called master-ibss which does the right thing for the different
: > types of hardware.
: 
: Why master-ibss?  What's the difference between that and IBSS?  I
: haven't found this term in the standard.

'ibss-master' is the master ibss you need one of these.  'ibss' is for
all the other nodes on the network.  This is approximately the -c
flag.

: >>> - On the Lucent cards, you don't get a signal strength indication.
: >
: > Lucent cards are the only ones I've seen that have good signal
: > indication.  However, it is in wicontrol -C only, not in the normal
: > wicontrol output.
: 
: Ah, interesting.  On one machine (running CURRENT from 12 December
: 2001), it only shows the last machine contacted, but on a more recent
: CURRENT it shows at least two of them.  Is this a difference in the
: cards or in CURRENT?

It does it at the mac level, so only those mac addresses that you are
talking to will have entries.  I routinely get 10 or so when I connect
via an access point.

: >>> One of the details about which Wes and I couldn't agree was whether an
: >>> IBSS can route to the outside world.  I say yes, because any system in
: >>> the IBSS can have other interfaces as well.  This isn't covered in the
: >>> 802.11 standard, of course.  Wes says no, because the 802.11 standard
: >>> (available for free from
: >>> http://standards.ieee.org/getieee802/download/802.11-1999.pdf, which
: >>> is nevertheless a web page) says that interconnection only works with
: >>> BSS (i.e. managed) mode.  I claim that this just refers to link-level
: >>> interconnection, and that IP routing has nothing to do with 802.11.
: >>> Comments welcome.
: >
: > IBSS is a mode that you need to do routing with.  It won't bridge for
: > you.  You need access point for that.  Maybe that's what Wes is
: > talking about: the ability to put the access point on a network and
: > have it deal properly with bridging the traffic onto the lan.
: 
: No, Wes was saying that the standard required an access point in order
: to connect to an external network at all, and the fact that I could do
: it without an access point was a coincidence which "shouldn't work".

That's not true.  Either you misunderstood wes, or wes was confused.

: > Finally, a lot of stuff is in flux right now :-)
: 
: I can't see anything significant in the drivers.  For me, it Just
: Works.

The hostap stuff is in flux.

Warner

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