A method of evaluating the quality of a video network is provided. The method including: collecting a first plurality of video frames leaving a video capture device, the first plurality of video frames being transmitted from the video capture device to a video encoder; collecting a second plurality of video frames arriving at the video encoder, the second plurality of video frames being transmitted from the video capture device to the video encoder; comparing the first plurality of video frames and the second plurality of video frames; and determining a fault with the video capture device or the video encoder in response to the comparison of the first plurality of video frames and the second plurality of video frames.