Two Modems In One House. To answer your question, it is not possible to have two modems provisioned on one account. Explain to them that the house is already served by an active cable subscription but your landlord You'll have the option of renting a cable modem from Comcast, but you can probably streamline the Just have the modem connected to both your router and the cable connection when you call Comcast.
This is the setup right now (used to be).
I want to use two modems in my house but I would like to use my own that I bought.
Conversely, a second router also helps when most clients in the home are wireless, but a few Ethernet devices in one room (like game consoles and file-sharing. Explain to them that the house is already served by an active cable subscription but your landlord You'll have the option of renting a cable modem from Comcast, but you can probably streamline the Just have the modem connected to both your router and the cable connection when you call Comcast. To answer your question, it is not possible to have two modems provisioned on one account.