AT&T Fiber Line / NOT MIS
Dennis Burgess
dmburgess at linktechs.net
Thu Jun 10 21:25:46 UTC 2021
Called Cascaded Router configuration on The POS router they gave .. their support and their support “Supervisor” could not make it work. I just did .. FUN.
[LTI-Full_175px]
Dennis Burgess, Mikrotik Certified Trainer
MTCNA, MTCRE, MTCWE, MTCTCE, MTCINE, MTCSE, HE IPv6 Sage, Cambium ePMP Certified
Author of "Learn RouterOS- Second Edition”
Link Technologies, Inc -- Mikrotik & WISP Support Services
Office: 314-735-0270 Website: http://www.linktechs.net<http://www.linktechs.net/>
Create Wireless Coverage’s with www.towercoverage.com
From: Alex Conner <hello at codatory.com>
Sent: Thursday, June 10, 2021 2:01 PM
To: Dennis Burgess <dmburgess at linktechs.net>
Cc: TJ Trout <tj at pcguys.us>; nanog at nanog.org
Subject: Re: AT&T Fiber Line / NOT MIS
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<mailto:dmburgess at linktechs.net>> wrote:
Ya not wishing to do NAT...
Sent from mobile device..
________________________________
From: Alex Conner <hello at codatory.com<mailto:hello at codatory.com>>
Sent: Thursday, June 10, 2021 1:49:27 PM
To: TJ Trout <tj at pcguys.us<mailto:tj at pcguys.us>>
Cc: Dennis Burgess <dmburgess at linktechs.net<mailto:dmburgess at linktechs.net>>; nanog at nanog.org<mailto:nanog at nanog.org> <nanog at nanog.org<mailto: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<mailto: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<mailto:dmburgess at linktechs.net>> wrote:
Guess their broadband stuff☹
Dennis Burgess
Author of "Learn RouterOS- Second Edition”
Link Technologies, Inc -- Mikrotik & WISP Support Services
Office: 314-735-0270 Website: http://www.linktechs.net<http://www.linktechs.net/>
Create Wireless Coverage’s with www.towercoverage.com<http://www.towercoverage.com>
Need MikroTik Cloud Management: https://cloud.linktechs.net
From: TJ Trout <tj at pcguys.us<mailto:tj at pcguys.us>>
Sent: Thursday, June 10, 2021 1:12 PM
To: Dennis Burgess <dmburgess at linktechs.net<mailto:dmburgess at linktechs.net>>
Cc: nanog at nanog.org<mailto: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<mailto: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<http://www.linktechs.net/>
Create Wireless Coverage’s with www.towercoverage.com<http://www.towercoverage.com>
Need MikroTik Cloud Management: https://cloud.linktechs.net
How did we do today?
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