load headers : "../headers";
out_pack_file : "out_pack" {
  packet #1 {
    header : IP {
	hlen		5
	ver		4
	TOS		0
	totlen		40
	id		620
	frag            0x4000
	TTL		64
	proto		6
	cksum		0x2060
	saddr		10.1.2.1
	daddr		10.1.2.2
    }

    header : TCP {
	sport		1036
	dport		79
	seqnum		0x2
	acknum		0
	unused1		0
	hlen		5
	flags		0x2
	unused2		0
	win		32120
	cksum		0x1609
	urgp		0
    }
  }
};
