How to setup pihole with an ONT style router setup? (lemmy.world)

submitted 2 weeks ago by Maroon@lemmy.world to c/pihole@sh.itjust.works

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I shifted homes and my new place comes with a connection that is ONT.

The router unit is a Phyhome P20 ONT. I don't have the option to assign static IP to devices, nor set another device as a DHCP server.

Is it possible to run a pihole effectively in such a setup? I honestly wanted to install OpenWRT, but I understand that it isn't possible with ONT style setups.

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[-] neatchee@piefed.social 3 points 1 week ago* (last edited 1 week ago)

If you do not have access to DHCP configuration on the ONT then your only option is to insert your own router in between the ONT and the rest of your network.

Are you provided any administrative functions for the ONT?

In most cases, these devices offer a "bridge mode" that let's you put a router behind it, so it works more like a modem (disabling its built in Wi-Fi, DHCP, etc). That's likely what you want. It's possible you will need to contact the ISP to put it in bridge mode if they are particularly restrictive about device control.

this post was submitted on 19 Oct 2025

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