[ipv6-wg] IPv6 prefix delegation BCOP document available for comments and suggestions

Dear Philip,

Philip Homburg wrote at 29.03.2017 14:44:
> Hi Jan,
> 
> In your letter dated Wed, 29 Mar 2017 08:14:59 +0200 you wrote:
>>You would be surprised how many residential customers still have CPE in 
>>bridge mode and are connecting to PPPoE service using Windows (or any 
>>other OS) PC using a PPPoE dialer, some of them even using multiple 
>>parallel PPPoE sessions from multiple computers sitting on the same 
>>network. 
> 
> I literally do not know of a single case where somebody around me was running
> ppp on Windows 7 (or later) or on a recent version of MacOS. That just doesn't
> seem to happen around here (in .nl).

I 've seen them here (.de) in the field as i have had a projekt to
replace old BRAS with newer BNG about two years ago.
All of them have been ADSL customers using PPPoE.

So it turned out that it would absolutly neccessary to build the config
on the BNG with SLAAC using a /64 per customer as their WAN Prefix.


> Note that the ISP I'm using hands out FritzBox CPEs which officially do not
> even support bridging a VDSL connection.

That's absolutly correct for VDSL customer, but if you still have to
support ADSL you most likely run into trouble without supporting SLAAC
and a /64.


> Do ISPs officially support this? 

Yes, we do so.


> Are there ISPs that describe how to put a DSL
> model in bridge mode and the configure Windows 10 to connect?

Can't tell about this Windows 10 thingie and to be honnest i have not
researched all versions from all OS out in the field. But i have seen
Windows, Linux and MacOS at the time of migration.


> How does that work with iphones, android, etc. Do people bridge PPPoE to 
> wifi and then run PPPoE on a phone or tablet?

Most likely they do not do that on a phone or a tablet.
Using a router and WiFi on the LAN seems to be more common in that case.


> How did multiple sessions work with IPv4. Did every session get its own 
> public IPv4 address using PPP IPCP?

Only speaking for my employe: Multiple Sessions are not supported on
residential PPPoE access. Only one PPPoE Session per customer is supported.


Best Regards.

Matthias Kluth

Senior Network Consultant

HeLi NET Telekommunikation GmbH & Co. KG
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