Date: Wed, 19 Jun 2002 08:41:19 +0200 From: Christoph Kukulies <kuku@accms33.physik.RWTH-Aachen.DE> To: Marco Molteni <molter@tin.it> Cc: freebsd-mobile@FreeBSD.ORG Subject: Re: wireless lans with multiple accesspoints Message-ID: <20020619084119.C27055@gilberto.physik.rwth-aachen.de> In-Reply-To: <20020619004209.5483.qmail@cobweb.example.org>; from molter@tin.it on Wed, Jun 19, 2002 at 02:42:09AM %2B0200 References: <200206170919.LAA11550@accms33.physik.rwth-aachen.de> <20020618003639.6592f5ae.brian@Awfulhak.org> <20020619004209.5483.qmail@cobweb.example.org>
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On Wed, Jun 19, 2002 at 02:42:09AM +0200, Marco Molteni wrote: > On Tue, 18 Jun 2002 00:36:39 +0100, Brian Somers <brian@Awfulhak.org> wrote: > > > The access points will negotiate with eachother and choose the one with > > the strongest signal. > > I think this is incorrect. The APs don't negotiate anything among them. > > See below > > > On Mon, 17 Jun 2002 11:19:53 +0200, Christoph Kukulies <kuku@accms33.physik.rwth-aachen.de> wrote: > > > Assume you have a LAN with several access-points attached. > > > The reachability areas of these access-points are overlapping. > > > > > > There is a DHCP server in the network that supplies IP adresses for the > > > access-points and the clients, e.g. notebooks with wireless pc cards. > > > > > > What happens when you are in the area that is covered by two access-points? > > > > > > I mean, which access-point takes over the 'routing'? > > I am not sure of what you mean by 'routing', since an AP is a layer 2 I chose the wrong term. Routing not in the sense of what we understand as a router. I just meant 'passing through' the packets. It's a bridge, of course (kind of). In this vein the term 'collision domain' came up. In how far does a 100 Mb network consisting of several (3COM 3000) switches which are cascaded (using TP cables, not a matrix cable) still form a collision domain? Does it really? > device and routing is layer 3. If I understand correctly your question, > you want to know with which AP the client will associate. Yes, see above. > > It depends on the configuration of the APs and the client. If the APs > have different SSIDs, and the client is set to the zero-lenght SSID > (incorrectly referred to as the "ANY" SSID), then it will associate with > the AP with strongest signal. If the client is set to a particular SSID, > then it will associate with the AP that owns that SSID, no matter signal > strenght (obviously assuming the signal is not too low). > > marco > Thanks. -- Chris Christoph P. U. Kukulies kukulies@rwth-aachen.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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