How to solve problem “Server error [-3200] from 127.0.0.1:8000: SW1: unable to create generic ethernet NIO” in GNS3

Hey guys, I am back hahaha :D. In this momment i will share to you about something that  was make me so confused. Ok, lets move on to the article tutorial hahah 😀

If you got a problem about use GNS3 when you connect a something device to your real device with loopback adapter and you get error message like this “Server error [-3200] from 127.0.0.1:8000: SW1: unable to create generic ethernet NIO”. It can be remove with this solution :

  1. First, you can run command prompt with Administrator mode
  2. Continue reading