2.2.4.39.1 Request

 SMB_Parameters
   {
   UCHAR WordCount;
   Words
     {
     USHORT EchoCount;
     }
   }
 SMB_Data
   {
   USHORT ByteCount;
   Bytes
     {
     UCHAR Data[ByteCount];
     }
   }
            

SMB_Header:

TID (2 bytes): This field MUST contain a valid TID or 0xFFFF.<53>

SMB_Parameters (3 bytes):

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
WordCount								Words

WordCount (1 byte): This field MUST be 0x01.

Words (2 bytes):

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
EchoCount

EchoCount (2 bytes): USHORT The number of times that the server SHOULD echo the contents of the SMB_Data.Data field.

SMB_Data (variable):

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
ByteCount																Bytes (variable)
...

ByteCount (2 bytes): This field MUST be greater than or equal to 0x0000, indicating the number of bytes of data.

Bytes (variable):

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
Data (variable)
...
...

Data (variable): Data to echo.