Date: Thu, 26 Sep 2002 12:00:20 +0200 From: Jacques Caron <Jacques.Caron@IPsector.com> To: Bruce M Simpson <bms@spc.org> Cc: Dan Langille <dan@langille.org>, mobile@FreeBSD.ORG Subject: Re: getting wi running as a bridge Message-ID: <5.1.1.6.0.20020926115456.03ea3c10@pop.mail.yahoo.com> In-Reply-To: <20020925214133.GQ26280@spc.org> References: <3D91EAF6.18283.6741AB3F@localhost> <3D91EAF6.18283.6741AB3F@localhost>
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And this won't work with two boxes configured as APs: they won't talk to
each other (only stations talk to APs). And regular stations can't bridge
(because of differences in the 802.11 frame format depending on whether the
source/destination MAC addresses match the wireless cards or something else).
To obtain a real 802.11 bridge, you need the cards to be able to run in
so-called WDS mode, but I'm not even sure this is supported with the PRISM
cards, let alone the Orinocos.
Your only options are:
- route instead of bridging: this requires 3 subnets (one for each LAN and
a /30 for the wireless link), and IP forwarding enabled
- set up some form of tunnel
- a specific case of the above, setup an IPsec VPN between the two boxes.
Note that the latter options probably require some sort of routing too, or
you'll need to do some fun things with proxy ARP or promiscuous mode somehow...
Jacques.
At 23:41 25/09/2002, Bruce M Simpson wrote:
>On Wed, Sep 25, 2002 at 04:57:26PM -0400, Dan Langille wrote:
> > My wireless network consists of two wireless cards running in ad-hoc
> > mode (one is an Orinoco gold in a workstation, the other a silver in
> > the laptop). On the workstation, I'm trying what man wi says about
>[snip]
> > # ifconfig wi0 inet up ssid my_ap mediaopt hostap
> > ifconfig: SIOCSIFMEDIA: Device not configured
>[snip]
>
>hostap is a PRISM2.5 thing. Orinoco is HERMES, not PRISM2. :-)
>
>BMS
>
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-- Jacques Caron, IP Sector Technologies
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