[TriLUG] at&t fiber

Wed Sep 6 15:30:16 EDT 2017

Because if they didn't impose arbitrary limits, the customer might try
to run a SERVER!  Oh, the horror! 

On 2017-09-06 15:28, Wes Garrison wrote:

> As Michael Marley said, the passthrough mode on the NVG589 and 599 is not a true bridge mode, and still uses the NAT table on router. 
> 
> The NAT table on these have artificially low limits (2560 sessions, I think), so if you run a lot of services or have multiple devices using multiple services you can easily max out the device. 
> 
> http://www.dslreports.com/forum/r28967809-NEW-U-verse-Gateway-Motorola-NVG599-WIRELESS-AC-AC1600~start=60 
> 
> Why do these companies insist on imposing artificial limits on services? 
> 
> _________________________________
> Wesley S. Garrison
> Network Engineer
> Xitech Communications, Inc.
> phone:  (919) 260-0803
> fax:       (919) 932-5051
> __________________________________
> "Lead us not into temptation, but deliver us from email." 
> On Wed, Sep 6, 2017 at 2:09 PM, Mark Sidell via TriLUG <trilug at trilug.org> wrote:
> 
>> Yes, a strange beast. FWIW, I haven't had any trouble with it.
>> 
>> I found these to be the most useful instructions for configuring NVG:
>> 
>> http://jdalyit.wordpress.com/2014/09/15/att-uverse-internet-with-5-static-ip-and-3rd-party-router/ [1]
>> 
>> I chose "Manual" pass-through mode so that it would be somewhat easier to
>> fail over to a second router if my primary router fails.
>> 
>> On Wed, Sep 6, 2017 at 1:10 PM, Michael Marley via TriLUG <trilug at trilug.org
>>> wrote:
>> 
>>> However, as someone else mentioned, this is not a true
>>> passthrough/bridge mode and all the traffic is still NATed by AT&T's
>>> router too, subjecting you to all of its limitations.  This setup likely
>>> has implications for IPv6 as well, which is already quite limited with
>>> AT&T (most reports indicate you only get a /64 of 6rd).  Since a /64 is
>>> not large enough to subdelegate any prefixes, that may prevent the
>>> second router from giving out IPv6 addresses at all.  That is all
>>> theoretical, of course, as I don't have the service.
>>> 
>>> Michael Marley
>>> 
>>> On 2017-09-06 13:03, Mark Sidell via TriLUG wrote:
>>> 
>>>> You must have the ATT router in the signal path, but you can disable its
>>>> wifi function and configure it to pass all traffic through to your own
>>>> router, effectively neutering the ATT router's routing functionality. In
>>> my
>>>> setup, I run a linux box that does nat and routing.
>>>> 
>>>> On Wed, Sep 6, 2017 at 12:57 PM, Mauricio Tavares <raubvogel at gmail.com>
>>>> wrote:
>>>> 
>>>> In this thread I heard people saying you have to user their routers
>>>> and others mentioning slapping their modem to the AT&T router. What is
>>>> what?
>>>> 
>>>> On Wed, Sep 6, 2017 at 12:55 PM, Mark Sidell via TriLUG
>>>> <trilug at trilug.org> wrote: Another note on the modems...
>>>> 
>>>> ATT has two different modems that they'll install with fiber, the NVG599
>>>> and another one whose name I don't remember. When they first installed
>>>> fiber at my house, they gave me the other one. I discovered that it
>>> refused to allow inbound ssh connections, something I need to access my
>>> servers.
>>>> ATT was unable to offer any solution except to swap the problem modem
>>> with the NVG599. FWIW, I also found that configuring pass-through with the
>>>> NVG599 was less confusing than with the other modem.
>>>> 
>>>> Now, on to my afternoon project -- fixing the serious security
>>>> vulnerabilities in the NVG.
>>>> 
>>>> BTW, I've been happy with the fiber service. I have a business account
>>> with 5 fixed IPs, paying only a small premium over a residential account
>>> for the IPs. The service is actually cheaper than my old copper uverse
>>> service.
>>>> 
>>>> Mark
>>>> --
>>>> This message was sent to: raubvogel at gmail.com <raubvogel at gmail.com>
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>>> -- > This message was sent to: Mark Sidell <mark at sidell.org>
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>> 
>>> Welcome to TriLUG: http://trilug.org/welcome
>>> 
>> --
>> This message was sent to: Wes <wes at xitechusa.com>
>> To unsubscribe, send a blank message to trilug-leave at trilug.org from that address.
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>> Welcome to TriLUG: http://trilug.org/welcome

Links:
------
[1]
http://jdalyit.wordpress.com/2014/09/15/att-uverse-internet-with-5-static-ip-and-3rd-party-router/
[2] http://40gmail.com
[3] https://www.trilug.org/mailman/listinfo/trilug
[4] http://40sidell.org
[5] https://www.trilug.org/mailman/options/trilug/wes%40xitechusa.com