AT&T Fiber Line / NOT MIS

Thu Jun 10 19:00:30 UTC 2021

Yep; but even IP Passthrough, routed subnet, etc. all count as NAT sessions
against the internal NAT table.

BTW, that's the feature you're looking for - routed subnet. That will pass
your /26 to another network device over an RFC1918 subnet. The steps depend
on what particular gateway hardware they have, but a quick Google of the
gateway model and "routed subnet" should get you to the right spot.
Assuming of course the other service limitations aren't a dealbreaker.

On Thu, Jun 10, 2021 at 2:54 PM Dennis Burgess <dmburgess at linktechs.net>
wrote:

> Ya not wishing to do NAT...
>
> Sent from mobile device..
>
> ------------------------------
> *From:* Alex Conner <hello at codatory.com>
> *Sent:* Thursday, June 10, 2021 1:49:27 PM
> *To:* TJ Trout <tj at pcguys.us>
> *Cc:* Dennis Burgess <dmburgess at linktechs.net>; nanog at nanog.org <
> nanog at nanog.org>
> *Subject:* Re: AT&T Fiber Line / NOT MIS
>
> Bonus points, the small business fiber has extremely limited NAT session
> limits (depends on hardware, but not greater than 16,000 sessions) and
> *everything *counts. Cold loading CNN.com (an AT&T company) in a default
> config without an adblocker will use close to 3000, which will saturate and
> cause errors on some of their gateway hardware (NVG595). If you want to use
> it for any serious purpose, stick a tunnel out to a real connection.
>
> On Thu, Jun 10, 2021 at 2:43 PM TJ Trout <tj at pcguys.us> wrote:
>
> Yeah not going to happen on U-verse
>
> On Thu, Jun 10, 2021 at 11:32 AM Dennis Burgess <dmburgess at linktechs.net>
> wrote:
>
> Guess their broadband stuff☹
>
>
>
>
>
> *[image: LTI-Full_175px]*
>
> *Dennis Burgess*
>
>
> Author of "Learn RouterOS- Second Edition”
>
> *Link Technologies, Inc* -- Mikrotik & WISP Support Services
>
> *Office*: 314-735-0270  Website: http://www.linktechs.net
>
> Create Wireless Coverage’s with www.towercoverage.com
>
> Need MikroTik Cloud Management: https://cloud.linktechs.net
>
>
>
> *From:* TJ Trout <tj at pcguys.us>
> *Sent:* Thursday, June 10, 2021 1:12 PM
> *To:* Dennis Burgess <dmburgess at linktechs.net>
> *Cc:* nanog at nanog.org
> *Subject:* Re: AT&T Fiber Line / NOT MIS
>
>
>
> call back, i dont think that's accurate. What is the specific product?
>
>
>
> On Thu, Jun 10, 2021 at 7:25 AM Dennis Burgess <dmburgess at linktechs.net>
> wrote:
>
> I have a ATT fiber line for a customer that has a 300/300 circuit, but its
> not a MIS they are telling me we cannot route a /26 (they have allocated)
> to my device behind it.  ☹  Any options?
>
>
>
>
>
> *Dennis Burgess*
>
>
> * Mikrotik : **Trainer, Network Associate, Routing Engineer, Wireless
> Engineer, Traffic Control Engineer, Inter-Networking Engineer, Security
> Engineer, Enterprise Wireless Engineer*
>
> *Hurricane Electric: **IPv6 Sage Level*
>
> *Cambium: **ePMP*
>
>
>
> Author of "Learn RouterOS- Second Edition”
>
> *Link Technologies, Inc* -- Mikrotik & WISP Support Services
>
> *Office*: 314-735-0270  Website: http://www.linktechs.net
>
> Create Wireless Coverage’s with www.towercoverage.com
>
> Need MikroTik Cloud Management: https://cloud.linktechs.net
>
> *How did we do today?*
>
>
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>
>
>
>
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