Setting Manual
It introduces the setting method of emulator "GNS3" of the Cisco router on this site.
Please refer to here for the setting of Dynamips and Dynagen.


  • What is GNS3? - It explains the outline and the system requirements of GNS3.
  • Installation - It explains the installation procedure of GNS3.
  • Setup - It explains the setting method after GNS3 is installed.
  • Setting of idlepc - Explaining the measure method of the phenomenon where CPU activity ratio becomes 100%.
  • Operation method - It explains the method of lowering the making method and CPU utilization of the network configuration.