Re: (Retry) Bridging a wi-device with a LAN-adapter

The man page for wi(4) shows how to set up a bridge, but the card must be in
pseudo-AP (HostAP) mode, which voids out Orinoco cards like you said.

Tony Toole

----- Original Message -----
From: "Eric Hedström" <[email protected]>
To: "Erik Paulsen SkÃ¥lerud" <[email protected]>
Cc: <[email protected]>; <[email protected]>
Sent: Tuesday, July 23, 2002 7:59 AM
Subject: Re: (Retry) Bridging a wi-device with a LAN-adapter


> Hi Erik,
> Assuming the wi(4) page is correct when it says Prism only, that rules
> out your Orinoco card in any case.
>
> Eric
>
> Erik Paulsen Skålerud wrote:
> > Hello. I'm a little confused here.
> > I want to bridge my wireless card (Orinoco/Lucent Silver 11mbit) with my
> > LAN-adapter (fxp0).
> >
> > When I read the wi(4), allmost at the end of the configuration examples
it
> > says:
> >
> >      Create a host-based wireless bridge to fxp0 (Prism only):
> >            Add BRIDGE to the kernel config.
> >            # ifconfig wi0 inet up ssid my_ap mediaopt hostap
> >            # sysctl net.link.ether.bridge=1
> >            # sysctl net.link.ether.bridge_cfg="wi0 fxp0"
> >            # sysctl net.inet.ip.forwarding=1
> >      This will give you approximately the same functionality as an
access
> >      point.
> >
> > And, when I read the bridge(4) manual page, it says:
> >
> >      Bridging requires interfaces to be put in promiscuous mode, and
> > transmit
> >      packets with Ethernet source addresses.  Some interfaces (e.g.
wi(4))
> > do
> >      not support this functionality.  Also, bridging is not compatible
with
> >      interfaces which use hardware loopback, because there is no way to
tell
> >      locally generated packets from externally generated ones.
> >
> > So. Where do I stand? Can it do bridging in FreeBSD or not? I tried to
make
> > it work, both in FreeBSD and Windows XP (yes, I know.) without any
results.
> >
> > While searching on mailinglists, I see several people saying that you
need a
> > binary firmware wich costs money so that the cards can work with
bridging..
> > the reason would be that the manufactors of these chipsets wants to make
> > money on selling licenses to companies who want an AP.
> >
> > I've also heard a rumour that ng_bridge(4)/netgraph can do bridging with
> > wi(4)-devices. Is this true?
> >
> > Thanks for all help, Erik.
> >
> >
> >
> > To Unsubscribe: send mail to [email protected]
> > with "unsubscribe freebsd-mobile" in the body of the message
> >
>
>
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