The basic answer for that is your network usage\users.
A UDP application shouldn't care about MTU since the data Is suppose to
get from one end to the other.
Also notice that MTU size is not a must since there are also
Jumbo-frames which are big and many OS can fragment a packet from 1500
to 400 so this is not really something you can rely on.
If you have specific applications running in your environment you will
have no problem testing it.
Eliezer
On 12/14/2012 10:06 PM, 叶雨飞 wrote:
This is more like a general networking question
Is there legitimate use of UDP fragments in the wild? have you seen
commonly used application sending/receving UDP packets that is large
than MTU ? Is it safe to assume such traffic is nothing but dumb
attacks?
Thanks.
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