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How to disable ATT Uverse Gateway DHCP

Posted: Tue Feb 15, 2011 10:45 pm
by thegeebs
I'm using the supplied ATT Uverse router/gateway. I don't see an option to strictly disable DHCP. I currently have the Uverse router allocating 11 IP's currently but I want to try Amahi's dhcp. Anyone know how to do this?

ATT Uverse Router/Gateway options below:

DHCP Configuration
192.168.1.0 / 255.255.255.0 (default)
172.16.0.0 / 255.255.0.0
10.0.0.0 / 255.255.0.0
Configure manually
Router Address:____
Subnet Mask:____
First DHCP Address:____
Last DHCP Address:____
DHCP Lease Time: ___hours (24 hours default)

Re: How to disable ATT Uverse Gateway DHCP

Posted: Tue Feb 15, 2011 11:48 pm
by radioz
Exactly which model Uverse Gateway do you have?

I Googled 'Uverse Gateway dhcp' and got a number of hits that seem to suggest it might be possible to disable your dhcp. Try it.

Re: How to disable ATT Uverse Gateway DHCP

Posted: Thu Feb 24, 2011 11:38 am
by tnorman
I'm guessing no since I haven't been able to find one either. Here is a link to a forum where the guy writes about talking to a level tier 2 tech support person who says it is no longer possible.

http://www.dslreports.com/forum/r240166 ... are-Update

Personally I have a router in between the ATT gateway and the rest of my network. Not sure if this will help or hinder my use of amahi, but I'm a new user and am testing the waters.

Re: How to disable ATT Uverse Gateway DHCP

Posted: Sun Feb 27, 2011 12:31 am
by vegaramos1
I too have UVerse, and I have not been able to find a way to disable DHCP on the 2Wire HGV-3800B (I think that is the model number). It hasn't posed a problem for me yet, although sometimes I do have a problem with accessing my HDA's Dashboard by typing in the URL http://hda. However, I do not have any issues when using the IP address.

Re: How to disable ATT Uverse Gateway DHCP

Posted: Mon Feb 28, 2011 11:29 am
by sunman71
I forget which section under the Gatweay config I did this, but I limited the IP addresses the Uverse Gateway can give out to one.

Re: How to disable ATT Uverse Gateway DHCP

Posted: Sun Mar 06, 2011 9:07 am
by phils
Open your routers home page
Cick the SETTINGS tab
Then click the LAN and then DHCP.
In the DHCP Network Range:
Select Configure manually.

Enter your Router Address 192.168.1.1
Subnet Mask: 255.255.255.0
First DHCP Address: 192.168.1.##
Last DHCP Address: 192.168.1.##

Where ## is the last number of your servers IP address.
If your servers address if 192.168.1.5 replace the ## with 5

Leave the lease time as is, then click Save

With a recent firmware update. AT&T removed the ability to turn off DHCP.
The only work around is to setup a single IP-address that is your server.
Since your server will have a static IP, the router will accept it.
The router will show connected devices as assigned by your HDA.

Re: How to disable ATT Uverse Gateway DHCP

Posted: Thu Nov 27, 2014 10:48 am
by pauljfitzgerald
I tried setting the range to a single address, and the only result was that nothing on the network could access the Internet or the AT&T modem/router. I had to do a factory reset, so I'm back where I started.
Open your routers home page
Cick the SETTINGS tab
Then click the LAN and then DHCP.
In the DHCP Network Range:
Select Configure manually.

Enter your Router Address 192.168.1.1
Subnet Mask: 255.255.255.0
First DHCP Address: 192.168.1.##
Last DHCP Address: 192.168.1.##

Where ## is the last number of your servers IP address.
If your servers address if 192.168.1.5 replace the ## with 5

Leave the lease time as is, then click Save

With a recent firmware update. AT&T removed the ability to turn off DHCP.
The only work around is to setup a single IP-address that is your server.
Since your server will have a static IP, the router will accept it.
The router will show connected devices as assigned by your HDA.
[ Post made via iPad ] Image

Re: How to disable ATT Uverse Gateway DHCP

Posted: Fri Dec 04, 2015 1:15 pm
by thugpoet88
did this workound work for any body as it didnt work for me?

Re: How to disable ATT Uverse Gateway DHCP

Posted: Fri Dec 04, 2015 2:31 pm
by bigfoot65
Did you check the wiki for guidance?

Re: How to disable ATT Uverse Gateway DHCP

Posted: Mon Dec 07, 2015 11:30 pm
by vegaramos1
did this workound work for any body as it didnt work for me?
Yes, I've done it on my Uverse Gateway. Just set the beginning and ending DHCP address to point to your HDA. If you run Mac or iOS, you'll need to renew the lease on the IP Address, if you run Windows you can restart or enter the command.

Code: Select all

ipconfig /renew