-x: When parsing and printing, in addition to printing the headers of each packet, print the data of each packet (minus its link level header) in hex.
-xx: When parsing and printing, in addition to printing the headers of each packet, print the data of each packet, including its link level header, in hex.
-X: When parsing and printing, in addition to printing the headers of each packet, print the data of each packet (minus its link level header) in hex and ASCII.
-XX: When parsing and printing, in addition to printing the headers of each packet, print the data of each packet, including its link level header, in hex and ASCII.
-x: When parsing and printing, in addition to printing the headers of each packet, print the data of each packet (minus its link level header) in hex.-xx: When parsing and printing, in addition to printing the headers of each packet, print the data of each packet, including its link level header, in hex.-X: When parsing and printing, in addition to printing the headers of each packet, print the data of each packet (minus its link level header) in hex and ASCII.-XX: When parsing and printing, in addition to printing the headers of each packet, print the data of each packet, including its link level header, in hex and ASCII.