decode_tos_as_diffserv:<br>
   Whether the IPv4 type-of-service field should be decoded as a Differentiated Services field (see RFC2474/RFC2475)<br>
 defragment:<br>
   Whether fragmented IP datagrams should be reassembled<br>
 summary_in_tree:<br>
   Whether the IP summary line should be shown in the protocol tree<br>
 check_checksum:<br>
   Whether to validate the IP checksum