New Contributor
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3 Messages
Comcast Business modem port forwarding stopped working
My client updated their Internet connection and a new Comcast Business class modem was installed. I forget the model, but it is the most recent one. When it was installed, a configured it exact;y as the original modem. It seemed to work, however it has stopped months later. When I set it up originally, I noticed and read that the IP's needed to be in the DHCP pool to be able to configure the port forwards. Well, the LAN devices were already statically assigned. So, I set the port forwarding up and then modified the DHCP pool to remove those IP's from it. Again, it seemed to work for months.
So, my question is. In order to get this working again, do I need to just have the entire class C in the DHCP pool and then tell the modem under device management that the X devices are static?
Comcast_Billie
Official Employee
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87 Messages
3 years ago
Hello and thank you for taking the time to reach back out to us here on our Xfinitty Business Forums. I would love to see how we can best assist you. Just to confirm you are reaching out on behalf of your client, is the internet functioning at all? Is it an issue with the port forwarding only? It would also be helpful to know exactly which model modem you are referring to.
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LosTresChiles
New Contributor
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3 Messages
3 years ago
Yes, it is just the port forwarding. I'm not at the location, so I cannot confirm the model. But again, I believe it is the current one being installed.
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LosTresChiles
New Contributor
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3 Messages
3 years ago
That link is broken.
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