Juniper, Networking

JunOS on GSN3

First, Download the image   –>

Open GNS3 – Edit -Prefrences – Qemu -JunOS.


Save and aply – OK.

Next Start GNS3. wait for 10 minutes. Nex your root ass username no password. type “cli” to enter junOS config.



Cisco, Networking, Server

How to Connect GNS3 to Internet.

  • Toplogy



  • configure your gns3 cloud, Select your NIC which connect to internet.NIC
  • RUN GNS3.
  • router ip same network which your NIC card.IP
  • in my case my NIC ip is and router ip
  • config Default Gateway on router. my GW is:
  • ping public DNS. i already ping google DNS.

my first note with my own english, sorry if bad. 🙂