[TriLUG] at&t fiber

[Michael Marley via TriLUG]

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
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