Re: [Pals] L2TP sequencing: Commonly disabled for IP data? Or always?
Bob Briscoe <[email protected]>
| Newsgroups | gmane.ietf.int,gmane.ietf.pwe3 |
|---|---|
| Message-ID | <[email protected]> |
Tom, see [BB2] On 28/06/2021 09:41, tom petch wrote: > <at the bottom tp> > > From: Int-area <[email protected]> on behalf of Bob Briscoe <[email protected]> > Sent: 27 June 2021 22:22 > > James, > > [First apologies to everyone for asking the question then not following > up on the answers until now - I went off line for a while.] > See inline tagged [BB]... > > On 10/06/2021 13:09, James Bensley wrote: >> On Wed, 9 Jun 2021 at 15:57, Derek Fawcus >> <[email protected]> wrote: >>> On Wed, Jun 09, 2021 at 03:07:41PM +0200, James Bensley wrote: >>>> On Wed, 9 Jun 2021 at 14:05, Giles Heron <[email protected]> wrote: >>>>> Re BT specifically (and again my info is outdated and may be mis-remembered) the 20C network used L2TP, and I think it’s an option on 21C for handoff to smaller ISPs. Should all be in the SINs somewhere? >>>> I work in the UK ISP sector. I can confirm that L2TP is in wide spread >>>> use for wholesale services by all major ISPs (except Liberty). I think >>>> the real question here (unless I've misunderstood) is not "is L2TP >>>> being used" but "is L2TP being used AND sequencing is being used >>>> and/or enforced?" - is that understanding correct? >>> Yes. >> In that case - sequencing isn't used for BT Wholesale services. > [BB] Thank you. It sounds like you have some reason for your certainty > here. Can you elaborate on what makes you so certain sequencing isn't used? > > <tp> > > Perhaps a coincidence or perhaps not, but an I-D has just been posted > Author : Yogesh Nautiyal > Filename : draft-nautiyal-l2tpext-tunnel-ka-control-channel-00.txt > which uses L2TP sequencing, I note the author has an affiliation of Juniper. [BB] Thanks for pointing this out. It's quite normal and expected for L2TP to use its sequencing facility for a control channel. I'm not concerned about that. My original question was scoped to IP as data. But thanks anyway. Cheers Bob > > The draft would need a fair bit of work. > > Tom Petch > > Bob > >> Cheers, >> James. >> >> _______________________________________________ >> Int-area mailing list >> [email protected] >> https://www.ietf.org/mailman/listinfo/int-area > -- > ________________________________________________________________ > Bob Briscoe http://bobbriscoe.net/ > > _______________________________________________ > Int-area mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/int-area -- ________________________________________________________________ Bob Briscoe http://bobbriscoe.net/