Re: Transparent wired/wirless bridge: is it possible?

Mauro Condarelli <mc5686@xxxxxxxxx> · Sat, 30 Oct 2010 18:20:57 +0200



    On 26/10/2010 14.36, Ryan Whelan wrote:
    Have you looked at hostapd (http://hostap.epitest.fi/hostapd/)?
      

    Sorry,

    I was not clear enough.

    
    I have the wireless card up-and-running in ap-mode using hostapd.

    I *can* connect a laptop to the wireless Access Point.

    I also know how to setup a masquerading router on the linux machine
    to share the landline connection (e.g.: using firestarter).

    This would create a second net for wireless with double natting.

    I would like to avoid this and I'm looking for a "bridge"
    configuration so that all machines (wireless & wired) can share
    the same subnet (192.68.1.0/24).

    
    I tried something like:

    =====================

    auto lo

    iface lo inet loopback

    
    auto wlan2

    iface wlan2 inet manual

        up /usr/sbin/service hostapd start

        up /sbin/ifconfig wlan2 up

        down /sbin/ifconfig wlan2 down

        down /usr/sbin/service hostapd stop

    
    auto eth2

    iface eth2 inet manual

        up /sbin/ifconfig eth2 up

        down /sbin/ifconfig eth2 down

    
    auto br0

    iface br0 inet dhcp

        bridge_ports eth2 wlan2

        bridge_maxwait 0

    =====================

    ... but it does not seem to work as hoped.

    
    Thanks in Advance for *ANY* hint ;)

    
    Regards

    Mauro

     
      On Tue, Oct 26, 2010 at 5:24 AM, Mauro
        Condarelli <mc5686@xxxxxxxxx>
        wrote:

        Hi,

          I read a lot on the Internet, but didn't find quite what I
          need.

          I'm not even sure it's possible.

          
          I have a machine with ethernet access and wireless card (in
          master mode).

          Both are running ok under ubuntu maverick.

          I also have a separate firewall (wired) acting as DHCP server
          for my

          whole home network.

          I would like to bind the two interfaces together with no
          translation (no

          NAT, SNAT, masquerading, ...) so that the machines connecting
          to the

          wireless lan can get their address from the firewall and
          access the

          Internet.

          
          Is this possible with bridging?

          If so: can someone point me to the right documentation?

          
          TiA

          Mauro

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