[Gllug] Bridging from wired to wireless

[john walker]

--- On Mon, 13/6/11, Adrian McMenamin <adrian at mcmen.demon.co.uk> wrote:

> From: Adrian McMenamin <adrian at mcmen.demon.co.uk>
> Subject: [Gllug] Bridging from wired to wireless
> To: gllug at gllug.org.uk
> Date: Monday, 13 June, 2011, 11:25
> This drove me mad all weekend and the
> time has come to admit that I and
> Google cannot solve it alone...
> 
> I want to extend the range of my domestic wireless network
> by bridging
> between a wireless card and a wired card on a machine at
> one extremity of
> the ethernet.
> 
> Seems to go well when the card in the machine was using an
> RT2500 and
> 80211 + hostapd combination, but soon i realised that the
> wireless card
> was not associating with anything (I am using the same
> channel and SSID as
> the commodity router elsewhere in the house).
> 
> Reading some more I read that it was unlikely this sort of
> card would
> support bridging and so I dug out an old DLink DWL650 I had
> which has a
> Prism chipset and so should.
> 
> Now bring up the bridge seems to destroy the network, but
> when I turn STP
> on (seems the old card doesn't do this automatically) and
> reboot the other
> bridges (mains adapters) and the router it does come back
> up but again it
> seems that I cannot associate with the wireless card.
> 
> I can give chapter and verse on the setup, but thought I'd
> ask:
> (a) anybody managed to do this (bridging wired to wireless)
> successfully
> (b) if they did, did they learn anything on the way that I
> might have ignored
> 

Hi Adrian
I have had some success bridging using a laptop with debian. I had to configure iptables in my case and I also needed to setup dhcp. There was also a shell command which manages to turn on packet forwarding in the kernel, but I would have to look it up.
John Walker 
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