In windows
https://kb.netgear.com/19863/Ping-Test-to-determine-Optimal-MTU-Size-on-Router
In mikrotik
https://wiki.mikrotik.com/wiki/Manual:Tools/Ping
In linux
http://muzso.hu/2009/05/17/how-to-determine-the-proper-mtu-size-with-icmp-pings
IN cisco
https://supportforums.cisco.com/discussion/10786936/cisco-extended-ping-sweep-command