On Mon, 20 Feb 2012 15:42:56 +0900, Masataka Ohta said: > George Bonser wrote: > > >> It is seemingly working well means there is not much PMTU changes, > >> which means we had better assumes some PMTU (1280B, for example) and > >> use it without PMTUD. > > > It depends on the OS and the method being used. If you set the > > option to "2" on Linux, it will do MTU probing constantly and > > react to MTU changes. > > It actually does nothing.
Did you find this by just reading RFCs, or by actual code inspection? > the hosts are keep assuming PMTU of 1400B and if local MTU > is 1500B or less, no discovery is performed because "the > probe size range is small enough". And if the local MTU is 9000?
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