Legacy Cisco IOS images (like Cisco 3725 or 7200) that emulate old hardware MIPS processors.
If images fail to import into EVE-NG, verify that the image format matches the requirements of your EVE-NG version. Newer images may require the latest version of EVE-NG to function correctly. Check that you have sufficient disk space, as many images require several gigabytes of storage. Additionally, verify file permissions, especially on Linux-based hosts.
EVE-NG organizes images by folder structure. The most common folders in /opt/unetlab/addons/qemu/ include: Download-- Eve-ng Images
What (e.g., .qcow2, .ova, .iso) do you currently have?
The Ultimate Guide to Downloading and Installing EVE-NG Images Legacy Cisco IOS images (like Cisco 3725 or
Navigate to the directory: /opt/unetlab/addons/qemu/ .You must create a subfolder that starts with the vendor's specific prefix, followed by a hyphen, and then your version details. Example for FortiGate: fortinet-FGT-v7.2.4 Example for Palo Alto: paloalto-PANOS-10.1
There are communities dedicated to labbing that share pre-packaged EVE-NG images. The most famous repository is or community-driven lists on forums like r/networking or NetworkELITE . Check that you have sufficient disk space, as
You can verify or generate this key using legal python licensing scripts compatible with your organization's Cisco credentials. Step 3: Apply Permissions
Without this, your virtual machines will likely fail to boot or loop indefinitely. Top 3 Must-Have Images for Your Lab
Customer Support Portal (look for PAN-OS KVM Base Images).
You can perform this conversion directly on the EVE-NG CLI using the built-in qemu-img tool: