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 <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 [af-boun...@afmug.com] on behalf of Jason McKemie via Af [ > af@afmug.com] > *Sent:* Monday, December 08, 2014 1:00 PM > *To:* 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: br...@techworkonline.com
