Hi, my cameras were working great, I was able to view them with wifi and cellular but I recently got a replaced router and it started happening. After plugging in the wires, I am able to connect to cameras only when I am connected to wifi. Any help would be appreciated.

Hi, my cameras were working great, I was able to view them with wifi and cellular but I recently got a replaced router and it started happening. After plugging in the wires, I am able to connect to cameras only when I am connected to wifi. Any help would be appreciated.