|The Unix and Internet Fundamentals HOWTO, by Eric Raymond|
|Introduction to MTU||Search for a title, author or keyword|
Introduction to MTU
The Maximum Transmission Unit ( MTU, maximum size of transfer unit ) is a parameter that determines the longest datagram can be transmitted by an IP interface without needing to be fragmented into smaller units. The MTU value is always referred to Ethernet payload. In the TCP/IP domain, the Maximum Segment Size ( MSS ) is the Ethernet MTU equivalent. So, the MTU value has to be equal to MSS + TCP / IP headers. In this article, there is an introduction to MTU as well as an explanation on how to calculate it. Also, find out the value of MTU in Windows and Linux and how to change them.
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