ITS-101A Internet TCP / IP Protocol Training System

The Internet has permeated among our daily life in every aspect, and it provides the fundamental connection with many state-of-the-art technology such as third-generation cell phones, video communication, and information appliances.


  • CPU : ARM9, samsung, 32-bit RISC, 166 MHz
  • Flash ROM first level : 512 Kbytes
  • Flash ROM second level: 2 Mbytes
  • SDRAM : 64 Mbytes(data width 32bits) at 133 MHz
  • Timer/counter : Six 16-bit multi-function
  • Watch dog timer : 8-bit
  • USB port
  • Upgrade button
  • LED : 10/100/active
  • Ethernet : 2 ports, 10/100 Mbps, RJ-45
  • Power requirements : 100~240V, 50/60Hz, 60VAmax
  • Environment : Humidity : ≤ 70 % relative, Operation temperature : 0~40 degrees C

The core technology of the Internet is TCP/IP protocol suite. Understanding TCP/IP protocol suite is crucial to users of the Internet at all levels, and it facilitate better application of the Internet. Internet TCP/IP Protocol Training System is designed to meet this need. There are seven layers of TCP/IP protocol, and from the second to the forth of which plays the key role in operating system kernels such as Linux and Windows which are difficult for users to understand. Internet TCP/IP Protocol Training System not only reveals the inner workings of TCP/IP protocol software, but also provides methods to modify the behavior of TCP/IP protocol software for experimental purpose.

  • Ethernet Messages Sending & Observing
  • MAC Address Discovery
  • Address Resolution Protocol (ARP)
  • ICMP Ping, and Checksum
  • IP Direct Delivery and IP Routing Using Default Gateway
  • IP Routing Using Next-Hop Routing
  • TTL in IP Routing8. Trace of IP Routing
  • Path MTU Discovery
  • Network Disturbance for IP
  • Error Control
  • Sliding Window
  • Congestion Avoidance
  • Full TCP Implementation
  • TCP vs. UDP
  • Domain Name System
  • Echo18. SMTP client
  • HTTP
  • Telnet
  • FTP
  • NAT
  • Firewall
  • Proxy ARP
  • IP Aliasing
  • Additional pictures



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