Revision as of 04:34, 15 September 2020 (view source) AA-Andrew (talk \| contribs) m (→‎What is my MTU?) ← Older edit		Revision as of 17:51, 19 November 2021 (view source) Reedy (talk \| contribs) (tt) Newer edit →
'''-M do / -f / -D''' The important option! This means don't fragment the ping packet - we don't want the ping split into multiple packets when testing MTU! ''' -s 1472 / -l 1472''' The payload size. When setting size in ping, the size is the payload size - not the full packet size. '''The full packet size is''' <~~syntaxhighlight inline~~tt> payload (1472) + IP header (20) + ICMP header (8) </~~syntaxhighlight~~tt>, so this is 1500 in total! ==Two quick examples==

MTU (view source)