[182718] in North American Network Operators' Group
Re: AT&T U-Verse Data Setup Convention
daemon@ATHENA.MIT.EDU (Ca By)
Thu Jul 30 12:17:07 2015
X-Original-To: nanog@nanog.org
In-Reply-To: <5BD14ADA-0315-4A2D-84C5-733DFE9A4B5A@neilltech.com>
Date: Thu, 30 Jul 2015 09:14:04 -0700
From: Ca By <cb.list6@gmail.com>
To: Keith Stokes <keiths@neilltech.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Thu, Jul 30, 2015 at 9:02 AM, Keith Stokes <keiths@neilltech.com> wrote:
> I=E2=80=99m wondering if some can share their experiences or maybe there=
=E2=80=99s an AT&T
> person here who can confirm policy.
>
> I work for SaaS provider who requires a source IP to access our system to
> businesses.
>
>
That is probably a problematic practice.
> Normally we tell the customer to request a =E2=80=9CStatic IP=E2=80=9D fr=
om their
> provider. That term makes sense to most ISPs.
>
> However, we=E2=80=99ve recently worked with an AT&T higher-up tech who to=
ld us
> that every U-Verse modem is locked to an address even when set to DHCP an=
d
> will not change unless the unit is changed. Ordering a =E2=80=9CStatic IP=
=E2=80=9D from
> them means your devices will individually get public addresses, which isn=
=E2=80=99t
> a requirement for us, isn=E2=80=99t quite as easy to add multiple devices=
and costs
> our customers more money.
>
> Here are my questions:
>
> 1. Is it really accurate that the customer=E2=80=99s address is tied to t=
he
> modem/router?
>
> 2. For my curiosity, is this done through a DHCP reservation or is there =
a
> hard coded entry somewhere?
>
> 3. Do all U-Verse modem/routers behave the same way? This particular unit
> was a Motorola but the friends I=E2=80=99ve seen with U-Verse use a Cisco=
unit.
>
> ---
>
> Keith Stokes
>
>
>
AT&T addressing has been detailed here in some ways.
I am not sure how accurate it is or at what state this has been deployed
http://www.networkworld.com/article/2188898/lan-wan/at-t-demands-we-change-=
our-networks.html
But, it is possible that AT&T does not have IPv4 static addresses to assign=
.