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Re: Bridging non-IP traffic over IPSec
"Sumit A. Vakil" wrote:
>
> > It's been quite a while since I looked at the L2TP draft, but I'm under
> > the strong impression that it's not a UDP protocol. There may be a UDP
> > control channel associated with it, but I think the protocol itself
> > operates at layer 2. I know we have at least a few l2tp experts lurking
> > here - perhaps they will enlighten us.
>
> L2TP runs over UDP (both data and control channels) in IP networks. It can
> run directly over a layer 2 protocol like ATM. I think that there's an L2TP
> over ATM/FR draft somewhere.
>
Thanks for the clarification - I bet knowledgeable l2tp folks could
probably infer the last revision of the l2tp draft that I read from this
exchange :-)
> Actually, Schneier makes it very clear that its not PPTP, but the
> implementation of PPTP they analyzed that is broken. Check out his FAQ on
> the topic at http://www.counterpane.com/pptp-faq.html.
Right, but who else is seriously implementing PPTP, when it's not on any
standards track?
References: