[Solved] Configuring Own Fiber Optic Router: Bypass ISP Restrictions, Port Forwarding & Dual Wi-Fi Setup

Hello, this is my first forum post. My problem is that I have a router from my ISP at home, but I can't access it (I can't log into the configuration page). And I would like to have access to it, just to be able to forward ports or that kind of thing. I've already called the provider and they don't want to give access to the router. A fiber optic cable is directly plugged into this router and normally it has Wi-Fi and 4 LAN outputs, but it also has a telephone output (rj11) and two of the available LAN ports are configured for TV, because I have internet, TV and landline telephone on the fiber. And I would like to find out if I can somehow connect another router that would act as the main one, and in that one I would only have set-top boxes, phone and my router. The point is not that it only works and I have a second Wi-Fi, but that my network is completely configurable on this router without access to the one that is directly connected to the Internet.
Thanks for the answers.

Ask the provider if he will agree to put the ONU (provider's router) into bridge mode. If so, you are buying your router, which will be your main router after proper configuration, and the ONU will act as a modem.

Thank you very much for your answer.
I still have a question whether the television and the phone will then work normally when plugged into the provider's router?

mexi_ wrote:

I still have a question whether the television and the phone will then work normally when plugged into the provider's router?

Ask the supplier. You may need to transfer everything to your hardware.

The question is whether any redirection can be done at all. Fiber network providers usually assign a private IP address rather than a public IP address, so bridge will do nothing. You have to ask them for public. Sometimes it is possible for an additional fee.

You can connect your router and have your network with which you will do whatever you want, but port forwarding will not work for the reasons given above.
For example, if you want to have access from the outside, you need to buy a public IP, the port forwarding alone will not do anything (I have access to the operator's modem).

And if I bought an ONT Huawei Echolife hg8110h (there is a lan and telephone output in it) and connected it instead of the router from the provider, and the phone and my router to the ONT, then the router would configure two outputs for TV, everything would probably work. I would also buy these public IP. Does it even have the right to act? I don't know much about it, but it seems to me that such a system can work.

jprzedworski wrote:

Fiber network providers usually assign a private IP address, not a public one

Rather usually public.

mexi_ wrote:

And if I bought ONT Huawei Echolife hg8110h

Not. You cannot use non-vendor equipment (unless the vendor approves it, which is rather doubtful). Ask them if they give a public address or need to be bought and what about the bridge mode.

Thanks for the help. Will contact the provider for "Bridge" mode and public IP.