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Setup a Bridge using SLIP/PPP and Ethernet connection

 
 
Per H Petersen
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      10-17-2005, 08:32 AM
Hey

We need to bridge a regular ethernet connection with a Serial Line IP
(SLIP)... is this possible/howto

We are using the program slattach to setup the point to point connection
(SLIP). However when we setup the bridge using "brctl" it requires raw
interfaces without any IP assigned.

Is it possible to get around this somehow?

I'm open to other SW solutions but the hardware is a WLAN-card and a
0-modem (seriel connection).

Best regardes Per
 
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Tauno Voipio
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      10-17-2005, 08:17 PM
Per H Petersen wrote:
> Hey
>
> We need to bridge a regular ethernet connection with a Serial Line IP
> (SLIP)... is this possible/howto
>
> We are using the program slattach to setup the point to point connection
> (SLIP). However when we setup the bridge using "brctl" it requires raw
> interfaces without any IP assigned.
>
> Is it possible to get around this somehow?
>
> I'm open to other SW solutions but the hardware is a WLAN-card and a
> 0-modem (seriel connection).


Direct transfer of Ethernet frames into a point-to-point
connection is a no-go, but you can tunnel the frames
with a VPN.

If you have to move the Ethernet frames via the serial
link, OpenVPN could be a solution. In this case, you
could set up a bridged OpenVPN (using tap0) connection
without encryption.

HTH

--

Tauno Voipio
tauno voipio (at) iki fi

 
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James Knott
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      10-17-2005, 09:30 PM
Tauno Voipio wrote:

> Per H Petersen wrote:
>> Hey
>>
>> We need to bridge a regular ethernet connection with a Serial Line IP
>> (SLIP)... is this possible/howto
>>
>> We are using the program slattach to setup the point to point connection
>> (SLIP). However when we setup the bridge using "brctl" it requires raw
>> interfaces without any IP assigned.
>>
>> Is it possible to get around this somehow?
>>
>> I'm open to other SW solutions but the hardware is a WLAN-card and a
>> 0-modem (seriel connection).

>
> Direct transfer of Ethernet frames into a point-to-point
> connection is a no-go, but you can tunnel the frames
> with a VPN.
>
> If you have to move the Ethernet frames via the serial
> link, OpenVPN could be a solution. In this case, you
> could set up a bridged OpenVPN (using tap0) connection
> without encryption.


You can send ethernet packets via GRE, but I seriously doubt you'd want to
bridge an ethernet network to a serial line.

http://www.faqs.org/rfcs/rfc2784.html


 
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