Cisco IP advance feature - sweep range of sizes

To check the destination ip mtu, please use the following method.
router#ping
Protocol [ip]:
Target IP address: 10.30.30.1
Repeat count [5]: 1
Datagram size [100]: 1
% A decimal number between 36 and 18024.
Datagram size [100]: 100
Timeout in seconds [2]:
Extended commands [n]: y
Source address or interface:
Type of service [0]:
Set DF bit in IP header? [no]: y
Validate reply data? [no]:
Data pattern [0xABCD]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Sweep range of sizes [n]: y
Sweep min size [36]: 1470
Sweep max size [18024]: 1500
Sweep interval [1]:
Type escape sequence to abort.
Sending 31, [1470..1500]-byte ICMP Echos to 10.30.30.1, timeout is 2 seconds:
!!!!!..........................
Success rate is 16 percent (5/31), round-trip min/avg/max = 52/67/88 ms