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IP Passthrough settings

I am exploring IP Passthrough in order to use an RPi Pi-Hole and DNS resolver. Without instruction from ATT, I have a router set up with Static IP, mirroring the ATT Fiber Gateway settings:

copied the WAN IP address and gateway;

and I guessed the subnet mask to be 255.255.254.0;

and tried 1.1.1.1 for Static DNS. I also created my own Hostname and Domain Name.

It seems to work for my purposes. However, are there better settings that I should have consulted ATT about?

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dave006

Scholar

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3.9K Messages

3 years ago

It seems to work for my purposes. However, are there better settings that I should have consulted ATT about?

It sounds like you covered the basics but please review the steps below just to confirm.

Manually configure IP/Passthrough

Open a browser on a computer that is directly connected to the RG.
In the address bar, enter http://192.168.1.254.
Select the Firewall tab in the RG GUI page.
Select IP Passthrough below the Firewall tab.
Enter the Device Access Code if prompted.
Select Passthrough option from the Allocation Mode drop-down menu.
Select manual from the Passthrough Mode drop-down.
Select Save. A re-starting gateway reminder message appears.
Select Restart Now to complete the setting change.
Manually configure your device to use the WAN IP address, default gateway, and Broadband Subnet mask from your gateway.

Dave

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davemize

ACE - Professor

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3.7K Messages

3 years ago

There's some good information in this thread:

Discussion of NAT, Bridge Mode & IP Passthrough https://forums.att.com/conversations/att-internet-equipment/strict-nat-bridge-mode-what-is-ip-passthrough-can-i-enable-on-my-arris-bgw210-or-like-router/5defbfffbad5f2f606ad5ed2#M29310

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Scwirly

New Member

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7 Messages

3 years ago

Yes, thank you. That thread is what got me to my present setup. I tried to use the link at the bottom of the page for further help [http://soc.att.com/2yWQY0T], but it failed.

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S