Bridging between wired ethernet and wireless ethernet

[Jiri Fojtasek]

marco at elvizz.no-ip.com wrote:

>Hello!
>
>I want to extend my wired ethernet with a wireless part.
>I try to show how it should be:
>
>PC1   PC2   PC3   PC4   ...
> |     |     |     |     |
> +-----+-----+-----+-----+-----+
>                               |
>                     bridge running linux
>                         with HostAP
>                               ?
>
>  wireless node 1?
>
>
>-- being an ethernet-cable
>+- being a wired-network adapter
>?  being a wireless-network adapter
>
>Ok, as I said, I want to build up this bridge. I have kernel 2.4.20 with
>bridging compiled as module. I also have the actual bridge-utils (0.9.6)
>and hostap-0.0.3 installed.
>Both ethernet-adapters are working fine (I tested each for itself).
>So I load the bridge-module and enter:
>
># brctl addbr br0
># brctl addif br0 eth0
># brctl addif br0 wlan0
># ifconfig eth0 0.0.0.0
># ifconfig wlan0 0.0.0.0
># ifconfig br0 192.168.1.10 netmask 255.255.255.0 up
>
>In /var/log/messages I see the bridge coming up with:
>
>Jun 26 11:34:42 bridge kernel: br0: port 2(wlan0) entering listening
>state
>Jun 26 11:34:42 bridge kernel: br0: port 1(eth0) entering listening
>state
>Jun 26 11:34:52 bridge kernel: br0: no IPv6 routers present
>Jun 26 11:34:57 bridge kernel: br0: port 2(wlan0) entering learning
>state
>Jun 26 11:34:57 bridge kernel: br0: port 1(eth0) entering learning state
>Jun 26 11:35:12 bridge kernel: br0: port 2(wlan0) entering forwarding
>state
>Jun 26 11:35:12 bridge kernel: br0: topology change detected,
>propagating
>Jun 26 11:35:12 bridge kernel: br0: port 1(eth0) entering forwarding
>state
>Jun 26 11:35:12 bridge kernel: br0: topology change detected,
>propagating
>
>
>When I now try to ping the wireless-node from the wired-network or a
>wired-node from the wireless-node, it fails without error-messages.
>
>I hope someone can help me and give me the right instructions...
>
>Thanks for listening...
>
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>  
>
Hello

Is the wlan0 in Managed or in the Master mode ? Your setup should work 
only is is wlan0 in Mater mode. When you want use this setup with wlan0 
in Managed mode, you must use the "parprouted"  daemon without the 
bridge utils ....

PS: Iam using both setups with not problems ...

Jiri