packet fragmentation check under linux

['chris']

hi

under windows I can check with:

C:\>ping -f -l 1500 IP_address

Pinging xxx.net [X.X.X.X] with 1500 bytes of data:

Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.
Packet needs to be fragmented but DF set.

Ping statistics for X.X.X.X:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms


but how it works under linux ?

[Stuart Browne · Accepted solution]

The equivlant would be something like:

ping -M do -s 1500 IP_address

It's covered in the man page.