1#Ethernet Data Frame Format 2 3rackdiag ethernet_data_frame { 4 node_width = 500; 5 default_fontsize = 15; 6 ascending; 7 8U; 8 description = "Ethernet Data Frame Format"; 9 1: Preamble (7 Bytes) [color = lightgrey]; 10 2: Start-of-Frame Delimiter (1 Byte) [color = lightgrey]; 11 3: Destination Address (6 Bytes) [color = lightblue]; 12 4: Source Address (6 Bytes) [color = lightblue]; 13 5: Type / Length (2 Bytes) [color = lightyellow]; 14 6: Payload (0 ~ 1500 Bytes) [2U]; 15 6: Pad (if necessary) [2U]; 16 8: Frame Check Sequence (4 Bytes) [color = lightgrey]; 17} 18