[Bridge] kernel doesn't support bridge with a ppp interface ?

[Francesco Dolcini]

Malcolm Scott wrote:
> At 21:02 today, c.j wrote:
> 
>>> You can setup a tunnel with OpenVPN. You'd get a tap device on
>>> both sides which can be bridged with eth.
>> Thanks. But maybe we don't want OpenVPN for VPN. Now I can't get why kernel
>> do not support that. Have some disadvantages?
> 
> I'm not sure if this is even possible using standard protocols.  Bridging is 
> for Ethernet; PPP is not Ethernet.  So this would require some sort of 
> nonstandard Ethernet-over-PPP encapsulation protocol, and would only make 
see standard rfc3518, http://www.ietf.org/rfc/rfc3518.txt, I think there 
is a (old?) patch  flying around for this ...