Imunes ¶

imunes is a free open-source network emulator. You can create and configure multiple network devices a.k.a. nodes

• 🤝 switches
• ⚓ routers
• 💻 computers/hosts
• ...

You can define how each device work, such as which packets are allowed/blocked using rules... You can then try to communicate to see how the communication take place given your configuration.

Start an imunes session.

$ sudo imunes &

You may have multiple sessions.

$ imunes image -l # list
$ imunes -b -e <id> # kill

➡️ Alternatives: GNS3, EVE-NG...

Using the GUI:

• experiment | execute: run simulation
• experiment | terminate: terminate simulation
• double-click on a host: open a terminal on the host
• right-click on a node | configure: setup rules (routing, ARP)
  • enable "custom startup config"
  • enable "editor | create | fill default"
  • then use your head

You can run a command on a machine from the terminal with

$ sudo himage <hostname>@<id> <command>