Special Wireless ISP wish
a.boegl at comteam.at
Fri Oct 25 02:45:34 EDT 2002
Hmm, i think the best way is to combine the two things.
The most of our customers are too far away from another to
colaborate without the AP.
Pedro Estrela schrieb:
> the way things are constructed in IP routing makes that stations will always
> try to contact each other directly if they are on the same IP subnet,
> starting by an ARP request.
> you could make proxy ARP for all possible MAC addressess, but that would
> simply be a race condition scenario, because the target station would also
> reply with his own MAC address.
> if you have the colaboration of the stations, the simpler way is to define
> for the stations a IP routing configuration with a closed netmask
> (255.255.255.255), and the default GW being the AP. This way all traffic
> will get forward to the AP. The later has a normal configuration, which
> sends the packet to the destination as normal. Note that this can be made
> trivially with DHCP configuration.
> if you don't have the colaboration of the stations, and you wish to enforce
> a policy of not allowing direct inter-station communication, please note
> that "prism2_param wlan0 ap_bridge_packets 0" will simply NOT solve your
> problem, because it will only stop bridging inside the driver the packets
> captured by the AP and destinated to the same wireless cell; it does not
> prevent that stations comunicate directly, if they are in range, because
> it's IP netmask (255.255.255.0 ou whatever) tells them to proceed that way,
> and there is nothing in the 802.11 standard that enforces what you want (as
> fair as i know).
> Pedro Estrela
> >/ Is it possible to modify the driver to deny access
/> >/ between the stations?
/> >/ The stations should only be able to communicate with
/> >/ the "AP".
/> >/ Any Ideas?
/> >/ ============
/> >/ Alexander Bögl
/> >/ comteam IT solutions
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