RE: [DNA] DNA link hints document

[Tero Kauppinen <tero.kauppinen@ericsson.com>]

Hi,

Actually I now do think that you must be correct and the RA must reach the 
node otherwise it doesn't make any sense why the setup would work. Thus 
the conclusion must be that there is something wrong with my experiment. 
Sorry about the inconvenience.

Regz,

Tero

On Fri, 5 Nov 2004, Bernard Aboba wrote:

> Date: Fri, 5 Nov 2004 11:45:38 -0800 (PST)
> From: Bernard Aboba <aboba@internaut.com>
> To: "Soliman, Hesham" <H.Soliman@flarion.com>
> Cc: "Tero Kauppinen (JO/LMF)" <tero.kauppinen@ericsson.com>,
>     Dna <dna@eng.monash.edu.au>
> Subject: RE: [DNA] DNA link hints document
> 
>> >       LAPTOP <-- PPP --> PHONE <---- GPRS ----> GGSN
>> >
>> > And the same is (obviously) true for UMTS as well...
>>
>> => The RAs are sent (at least according to the specs) but what you
>> might be seeing is that the RA is only sent to the phone and is not
>> forwarded to the laptop. So the laptop only sees a PPP connection.
>
> There is still the question of how the LAPTOP gets the IPv6 prefix without
> RA.  Since PPP IPv6CP standards don't specify this, I'm at a loss to
> explain it.
>
>> The situation might be different if instead of the phone you see
>> a PCMCIA card inside the laptop. Or if you snoop the traffic arriving
>> at the phone itself. I.e. when the PPP part is removed.
>
> Well, there are driver models that emulate ethernet, and that translate
> this to PPP over the wire.  But I think the question still stands...
>