2.2.2 SYN Packet

The SYN packet is sent to indicate that a new connection is to be established. The ID for the session is the number that is stored in the SID field of the SYN packet.

0	1	2	3	4	5	6	7	8	9	1 0	1	2	3	4	5	6	7	8	9	2 0	1	2	3	4	5	6	7	8	9	3 0	1
SMID								FLAGS								SID
LENGTH
SEQNUM
WNDW

SMID (1 byte):  See section 2.2.1 for a description of the SMID field.

FLAGS (1 byte): This unsigned integer contains control flags that identify this packet as a SYN packet. The value of the FLAGS field MUST be 0x01. See section 2.2.1.1 for details.

SID (2 bytes):  All subsequent packets in this session MUST use this identifier. See section 2.2.1 for a description of the SID field.

LENGTH (4 bytes):  The value of this field MUST be 0x00000010. See section 2.2.1 for a description of the LENGTH field.

SEQNUM (4 bytes):  The value of this field SHOULD be 0x00000000. See section 2.2.1 for a description of the SEQNUM field.

WNDW (4 bytes):  See section 2.2.1 for a description of the WNDW field.