R2 _ Configuration _ G0/3 # Flow-Shaping Rate 8000 8000 (this 8000 is the burst size,)

R2 _ config _ G0/3 # Traffic-Shape Ratio 8000 8000 9000? (This 9000 is the Exess burst size)

Sudden size, can you check the traffic shaping rate of 8000? After entering this command? You can see the picture below.

Exess burst size is also entering R2 _ config _ G0/3 # traffic -shaperate 8000 8000? Then you can see, as shown in the figure.