Re: [Pals] [Int-area] L2TP sequencing: Commonly disabled for IP data? Or always?

Bob Briscoe <ietf@bobbriscoe.net> Sun, 27 June 2021 21:22 UTC

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To: James Bensley <jwbensley+pals@gmail.com>, intarea IETF list <int-area@ietf.org>, pals@ietf.org
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From: Bob Briscoe <ietf@bobbriscoe.net>
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Date: Sun, 27 Jun 2021 22:22:10 +0100
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Subject: Re: [Pals] [Int-area] L2TP sequencing: Commonly disabled for IP data? Or always?
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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
> <dfawcus+lists-int-area@employees.org> wrote:
>> On Wed, Jun 09, 2021 at 03:07:41PM +0200, James Bensley wrote:
>>> On Wed, 9 Jun 2021 at 14:05, Giles Heron <giles@layerfree.net> 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 Re BT specifically (and again my info is outdated and may be mis-remembered) the 20C network used L2TP, and I think it’s an option on 21C for handoff to smaller ISPs.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?



Bob



>
> Cheers,
> James.
>
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-- 
________________________________________________________________
Bob Briscoe                               http://bobbriscoe.net/