On Mon, Mar 30, 2015 at 02:59:16PM +0200, Hans Petter Selasky wrote: H> Gleb: Can you answer my question first: H> H> Should the 16-bit IP ID field carry any useful information or not? Yes: An identifying value assigned by the sender to aid in assembling the fragments of a datagram. -- Totus tuus, Glebius.