Hi,

I tried with the lower as well as higher limit, but the instruction is keep hanging and no packets recieved.

ubuntu(a)test:~$ ping github.com -M dont -s 1400
PING github.com (192.30.252.131) 1400(1428) bytes of data.
^C
--- github.com ping statistics ---
282 packets transmitted, 0 received, 100% packet loss, time 281921ms

ubuntu(a)test:~$ ping github.com -M dont -s 1420
PING github.com (192.30.252.128) 1420(1448) bytes of data.
^C
--- github.com ping statistics ---
136 packets transmitted, 0 received, 100% packet loss, time 135493ms

ubuntu(a)test:~$ ping github.com -M dont -s 1430
PING github.com (192.30.252.129) 1430(1458) bytes of data.
^C
--- github.com ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 4024ms

ubuntu(a)test:~$ ping github.com -M dont -s 1434
PING github.com (192.30.252.129) 1434(1462) bytes of data.

^C
--- github.com ping statistics ---
10 packets transmitted, 0 received, 100% packet loss, time 9047ms

ubuntu(a)test:~$ ping github.com -M dont -s 1450
PING github.com (192.30.252.128) 1450(1478) bytes of data.
^C
--- github.com ping statistics ---
11 packets transmitted, 0 received, 100% packet loss, time 10027ms

ubuntu(a)test:~$ ping github.com -M dont -s 1500
PING github.com (192.30.252.128) 1500(1528) bytes of data.
^C
--- github.com ping statistics ---
6 packets transmitted, 0 received, 100% packet loss, time 5031ms

ubuntu(a)test:~$ ping github.com -M dont -s 1462
PING github.com (192.30.252.128) 1462(1490) bytes of data.
^C
--- github.com ping statistics ---
6 packets transmitted, 0 received, 100% packet loss, time 5027ms