Re: DOCSIS 3.0 & PPPoE/L2TP compatibility

[Kyle Creyts <kyle.creyts () gmail com>]

to elaborate on Valdis' reply, stick a fork in pptp, it is done.
https://www.cloudcracker.com/blog/2012/07/29/cracking-ms-chap-v2/

On Tue, Jul 31, 2012 at 3:13 PM, iptech <iptech () northrock bm> wrote:
> Hey Ricky,
>
> Yes that is the exact setup, the cableco bring the customer to us via L2TP,
> and now want to do PPTP only.
>
> I will keep digging on the ARRIS, which I have been told is a C4 system.
> Although their website doesnt show much tech specs.
>
> They are pushing for the L3 option since their CMTS will now be a hop in the
> path between the customer and us, instead of L2 transparent.
>
> Suggestions?
>
> Thanks,
>
>
> On 7/31/2012 5:19 PM, Ricky Beam wrote:
> > On Mon, 30 Jul 2012 08:33:51 -0400, iptech <iptech () northrock bm> wrote:
> > > 3.0 compliant setup, and this standard no longer supports PPPoE via L2TP,
> > > and can now only offer PPTP for terminating with us.
> >
> >
> > As I recall from my reading of "the standard", there's nothing in there to
> > prevent any tunneling on top of the DOCSIS bridged ethernet.
> >
> > I suspect this is not a "standard" problem but an ISP problem... their new
> > hardware doesn't support PPPoE/L2TP, it's an additional license, or they
> > don't know how (or unwilling) to configure it.
> >
> > (I'm assuming the PPPoE is between you and the customer, and L2TP is
> > between your network and the cable network. i.e. L2TP is how your customers
> > are brought to you from the cable network.)
> >
> > I have no documentation on ARRIS either, so I don't know what they
> > can/cannot do.



-- 
Kyle Creyts

Information Assurance Professional
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