https://community.hpe.com/t5/operating-system-linux/packet-fragmentation-check-under-linux/m-p/3271332#M88319 The equivlant would be something like:<BR /><BR />ping -M do -s 1500 IP_address<BR /><BR />It's covered in the man page. Sun, 09 May 2004 18:20:01 GMT Stuart Browne 2004-05-09T18:20:01Z https://community.hpe.com/t5/operating-system-linux/packet-fragmentation-check-under-linux/m-p/3271331#M88318 hi<BR /><BR />under windows I can check with:<BR /><BR />C:\&gt;ping -f -l 1500 IP_address<BR /><BR />Pinging xxx.net [X.X.X.X] with 1500 bytes of data:<BR /><BR />Packet needs to be fragmented but DF set.<BR />Packet needs to be fragmented but DF set.<BR />Packet needs to be fragmented but DF set.<BR />Packet needs to be fragmented but DF set.<BR /><BR />Ping statistics for X.X.X.X:<BR /> Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),<BR />Approximate round trip times in milli-seconds:<BR /> Minimum = 0ms, Maximum = 0ms, Average = 0ms<BR /><BR /><BR />but how it works under linux ?<BR /> Sun, 09 May 2004 12:05:35 GMT https://community.hpe.com/t5/operating-system-linux/packet-fragmentation-check-under-linux/m-p/3271331#M88318 'chris' 2004-05-09T12:05:35Z https://community.hpe.com/t5/operating-system-linux/packet-fragmentation-check-under-linux/m-p/3271332#M88319 The equivlant would be something like:<BR /><BR />ping -M do -s 1500 IP_address<BR /><BR />It's covered in the man page. Sun, 09 May 2004 18:20:01 GMT https://community.hpe.com/t5/operating-system-linux/packet-fragmentation-check-under-linux/m-p/3271332#M88319 Stuart Browne 2004-05-09T18:20:01Z