The most critical point to understand before you start looking for images is the surrounding their distribution. All network operating system images (Cisco IOS, Juniper JunOS, etc.) are proprietary software protected by copyright and licensing agreements.

What are you trying to install? (e.g., Cisco Firepower, Juniper vMX, Arista vEOS)

Here is the official list of where to get specific images:

: First, go to the EVE-NG website ( https://www.eve-ng.net/ ) and sign up for an account. This will give you access to the EVE-NG community and allow you to download images.

Which are you running? (Community or Professional)

You're looking for information on downloading Eve-ng images. EVE-NG (Emulated Virtual Environment - Next Generation) is a popular platform for network emulation and simulation. It allows users to create virtual networks and test configurations, making it a valuable tool for network engineers and students.

Typically distributed as .qcow2 , .vmdk , or .iso files. 2. Cisco IOL / IOU Images

Give you a list of the for popular images. Show you how to set up Docker container images in EVE-NG. Help you find specific Cisco IOSv versions .

vIOS-L2 (Switches), vIOS-L3 (Routers). Cisco Next-Gen: Nexus 9000v (NX-OS), Catalyst 8000V.

IOS on Linux (IOL), also known as IOS on Unix (IOU), is a lightweight format that runs Cisco IOS as a native Linux application. Cisco L2 Switch, Cisco L3 Router. Advantage: Consumes very little RAM and CPU. 3. Dynamips Images ( /opt/unetlab/addons/dynamips/ )

EVE-NG provides a "Template" list in their documentation that tells you exactly what folder name and filename to use for every supported vendor. Conclusion