In article <19980202142237.27167@pyy.jmp.fi>,
	Jukka Marin <jmarin@pyy.jmp.fi> writes:
> I still don't understand why they try to send packets of 1460 bytes with DF
> set..

Path MTU discovery. They are trying to figure out the maximum possible
MTU for a network connection. Once they found it out they can send
packages without any unnecessary overhead caused by fragmentation or
superfluous headers.

-- 
Matthias Scheler                                http://home.owl.de/~tron/