Not all of webcam in the market are can use. Your webcam must have MJPEG output.
1. Logitech C310, C525
2. IPEVO P2V
We can also use windows free software to check if it is MJPEG OUTPUT.
AMCAP download http://amcap.en.softonic.com/download
Plug your webcam in PC'S USB connector and then run the AMCAP and then choice the webcam source as below.
Not all of webcam can work on router. we can use the windows software "amcap" to test
The VIDEO as below is NON MJPEG webcam. This webcam can not work on wifi router.
The video as below is MJPEG WEBCAM. This webcam can work on wifi router.