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SubjectRe: RFC: fragmentation code experiment
> > We support this for internet stuff. However most fragmented packets are
> > local
>
> This is the part i could use some help understanding. As i understand it,
> fragmentation only happens at routing when two links have different MTUs.
> Is this covered by what you mean by 'local'?

A misunderstanding. Fragmentation happens when an attempt is made to
transmit
a packet bigger than the MTU of the link being used.
This may happen when routing big packets, OR if your software creates a
big packet.
For example NFS trying to send a 8k packet into an ethernet.

The too big packet doesn't have to come from somewhere else, it may be
generated locally by software that doesn't care about the MTU.

Helge Hafting

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