1.1 Product Overview
1-53
No.
Item
Specifications
Total Length: Auto
Identification (4 bytes): User-defined
Flag: User-defined (initial 010 (bin))
Bit0: User-defined
Bit 1: (DF) 0 = May Fragment, 1 = Don’t Fragment
Bit 2: (MF)0 = Last Fragment, 1 = More Fragment
Fragment offset: User-defined (initial 0)
Time to Live: User-defined (initial 64)
Protocol: User-defined (initial 0)
Auto setting when select TCP or UDP.
Header Checksum: Auto
Source & Destination address:
Static, Increment, Decrement, Random with class and
mask setting
Option (0 to 40 bytes)
3.2.22.4
TCP[RFC0793]
Sequence number
Data offset
Reserved
Checksum
Code bit
Acknowledgement number
Source port
Destination port
Option
Padding
Window
Urgent pointer
Source port (16 bits): User-defined
Destination port (16 bits): User-defined
Sequence number (32 bits): User-defined
Acknowledgement number (32 bits): User-defined
Data offset (4 bits): Set to 5
Reserved (6 bits): User-defined
Control bits (6 bits): User-defined
Window (16 bits): User-defined
Checksum (16 bits): Auto
Urgent pointer (16 bits): User-defined
Option: (0 to 40 bytes)
Padding: Option byte = 4 × N: 0 bytes
= 4 × N + 1: 3 bytes
= 4 × N + 2: 2 bytes
= 4 × N + 3: 1 byte