Hi, I'm trying to get port forwarding to work on this modem and router that was provided by Spectrum.
Specifically I would like to forward ports 7777 but it seems like no ports are being forwarded at all.
I've sort of narrowed it down to what the problem might be but I would like a second opinion on what else it could be.
Here is a list of equipment I have:
Firstly, before I got this new router and modem (provided by spectrum) port forwarding was working fine with their old set up, an all in one, they had installed in my house.
So I believe I'm doing the port forwarding process correct if I was able to get it working before.
Secondly, I've ruled out the router they provided to not be the problem either. Before they replaced my old setup I used to use my personal router to port forward with the old modem and it would work fine.
However for whatever reason when I hook up my personal router to this new modem and try to port forward the same way I used to before any external connections are still unable to connect to my application.
I have even used DMZ to test if I can access my computer from an external device and still no access.
I believe the modem is preventing port forwarding in some way or another. The annoying part is there apparently is no direct webpage to check settings or change anything with the modem they provided me.
Interestingly, I have found a way to access a webpage that is broadcasting from the modem but there are no options to edit as its just diagnostics.
I used this trick shown here: https://www.dslreports.com/forum/r32068382-Access-to-the-Spectrum-E31-U-2V1-has-been-established
I have also contacted Spectrum about this issue and after many hours they ended the phone call with, "Your router says the port is open so it must be open, there is nothing else we can do to help."
They called themselves a networking specialist.
What else can I do before ruling the modem as the definitive issue? I haven't changed any settings on my personal router I used nor on my computer's firewall or applications I used in the port forwarding that previously succeeded.
TL;DR Spectrum hot swapped the old modem with a new one and suddenly port forwarding isn't working.
Specifically I would like to forward ports 7777 but it seems like no ports are being forwarded at all.
I've sort of narrowed it down to what the problem might be but I would like a second opinion on what else it could be.
Here is a list of equipment I have:
- An un-named modem provided by Spectrum
- A Wave 2 router provided by Spectrum
- My personal Linksys WRT 1200AC router
Firstly, before I got this new router and modem (provided by spectrum) port forwarding was working fine with their old set up, an all in one, they had installed in my house.
So I believe I'm doing the port forwarding process correct if I was able to get it working before.
Secondly, I've ruled out the router they provided to not be the problem either. Before they replaced my old setup I used to use my personal router to port forward with the old modem and it would work fine.
However for whatever reason when I hook up my personal router to this new modem and try to port forward the same way I used to before any external connections are still unable to connect to my application.
I have even used DMZ to test if I can access my computer from an external device and still no access.
I believe the modem is preventing port forwarding in some way or another. The annoying part is there apparently is no direct webpage to check settings or change anything with the modem they provided me.
Interestingly, I have found a way to access a webpage that is broadcasting from the modem but there are no options to edit as its just diagnostics.
I used this trick shown here: https://www.dslreports.com/forum/r32068382-Access-to-the-Spectrum-E31-U-2V1-has-been-established
I have also contacted Spectrum about this issue and after many hours they ended the phone call with, "Your router says the port is open so it must be open, there is nothing else we can do to help."
They called themselves a networking specialist.
What else can I do before ruling the modem as the definitive issue? I haven't changed any settings on my personal router I used nor on my computer's firewall or applications I used in the port forwarding that previously succeeded.
TL;DR Spectrum hot swapped the old modem with a new one and suddenly port forwarding isn't working.
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