2.2.2 SYN Packet

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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.


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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.