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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

MTU: Difference between revisions

27 bytes added ,  13 November 2017
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==Explanation of the ping options:==
 
'''-c1 / -n 1)''' InThis theseis examplesoptional, we'veit onlysimply used a count of onetells ping usingjust theto -csend optiona orsingle -n on Windows.ping
 
'''-M do / -f / -D''' MeansThe 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 option for payload size is -s, or -l on Windows. When setting size in ping, the size printed is the payload size - not the full packet size. '''The full packet size is''' <syntaxhighlight inline> payload (1472) + IP header (20) + ICMP header (8) </syntaxhighlight>, so this is 1500 in total!
 
==Two quick examples==
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