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

[Dylan Hall]

We use vtun which is a userland option, a little slow but offers
rate-limiting and some other nice to have features.

When we require the lowest possible overhead option, we use the etherip
kernel patches.


Dylan


On Wed, 2008-06-18 at 17:41 +0200, Francesco Dolcini wrote:

> 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 ...
> 
> 
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