Re: Netfilter issue: inconsistent incoming interface when bridging w/ PPP

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Philip A. Prindeville a écrit :
> Pascal Hambourg wrote:
>> Philip A. Prindeville a écrit :
>> [...]
>>> I just want to be able to take all packets coming in or going out the
>>> DSL interface and copy them onto an Ethernet interface, for sniffing.
>>>
>>> Too bad there's no easy way to do this with netfilter.
>>
>> What are you interested in exactly ? The whole PPPoE frames with
>> ethernet and PPPoE headers, LCP and IPCP packets and so on or only the
>> IP packets in the PPP session ? If you are only interested in the IP
>> packets, then TEE may be an option instead of a bridge for both incoming
>> and outgoing traffic, although it is not included in the standard kernel
>> AFAIK.
> 
> The PPPoE packets.
> 
> It's not in the source tree?  Is there a reason?  Was it rejected for submission?

I'm not sure, I think TEE was considered too unstable or too "dirty",
like the ROUTE target it is derived from. It is now included in
xtables-addons which replaces the patch-o-matic. Anyway I'm afraid that
TEE is not an option if you want to copy the whole PPPoE frame. Maybe it
could work in combination with a bridge though, but I would not bet a
penny on it.
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