Capture Buffer Settings dialog box

Use this dialog box to adjust the size of the data frame and the total amount of frames you want to capture.

Buffer Size (MB): The size of your capture buffer. By default, the buffer size is set to 1.0 MB.
Frame Size (bytes): The number of bytes that you want Network Monitor to capture from each frame. By default, the frame size is Full (65,535).
The drop-down list contains numbers in increments of 64, up to 65,472. You can select one of these numbers, or you can type a specific number between 32 and 65,535, inclusive.