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.
> 
> 
> 
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