“UVerse Business Service” is an oxymoron.  Comcast not much different.  Used to 
be the big guys wanted business customers.  Now they design everything for the 
residential customer because that’s who will order the triple or quadruple play 
bundle, plus there are a lot of residential customers out there.  They don’t 
know how to cater to businesses anymore.  If you don’t want a modem with WiFi, 
tough luck.  If you want a true static IP or /29 block without some convoluted 
way of fooling the gateway, tough luck.  If you want reverse DNS for your 
static IP, tough luck.

To me it feels like when you go to your kids school for a parent-teacher 
conference and you sit in the little desk because all the facilities are 
tailored for kids.


From: Jason McKemie via Af 
Sent: Monday, December 08, 2014 1:51 PM
To: af@afmug.com 
Subject: Re: [AFMUG] AT&T U-verse modem / router

The model of this router is 5031nv, FYI. Internet only.

On Monday, December 8, 2014, Bryan via Af <af@afmug.com> wrote:

  The U-verse TV boxes have to get IPs from the gateway (3600HGV or 3800HGV, 
I'm assuming?) hence there is no way to disable the dhcp server. You'll have to 
keep the U-verse gateway on a different sub-net, DMZPlus another router so it 
gets an outside IP to it's WAN and you should be good to go.  

  -Sent from a mobile device. Please excuse any typos

  On Mon, Dec 8, 2014 at 12:17 PM, Mathew Howard via Af 
<javascript:_e(%7B%7D,'cvml','af@afmug.com');> wrote:

    I'm not really sure if this would work... but, it seems like it should.

    Could you put a Mikrotik in between with two ports bridged and just 
completely block DHCP traffic on it? 


----------------------------------------------------------------------------

    From: Af [javascript:_e(%7B%7D,'cvml','af-boun...@afmug.com');] on behalf 
of Jason McKemie via Af [javascript:_e(%7B%7D,'cvml','af@afmug.com');]
    Sent: Monday, December 08, 2014 1:00 PM
    To: javascript:_e(%7B%7D,'cvml','af@afmug.com');
    Subject: [AFMUG] AT&T U-verse modem / router


    I've got a consulting client that just had their service switched over from 
standard AT&T DSL to U-verse.  In the process, AT&T replaced the modem / 
router.  The new unit that they issued does not have the ability to disable 
DHCP, which is necessary for this application as there is another DHCP server 
on the network.  This is probably a fairly unique situation, as most routers 
that I've seen have the ability to disable DHCP, how the hardware manufacturer 
overlooked this is beyond me.  Any suggestions on work-arounds?  I had thought 
about putting a Mikrotik (or other router) in between their switch and the AT&T 
box and just doing double-nat, but wanted to see if there was a better way.  
TIA. 

    -Jason




  -- 

  Bryan Fussell
  TechWork Solutions
  T: (719) 629-7550
  C: (386) 275-8047
  E: javascript:_e(%7B%7D,'cvml','br...@techworkonline.com');


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