/opt/unetlab/wrappers/unl_wrapper -a fixpermissions
If you uploaded an image named iosv-universalk9-15.9.qcow2 to the /tmp folder, move and rename it into your new directory:
Open and connect to your EVE-NG IP (root/eve).
I can provide the exact directory names and memory requirements for those specific devices. Share public link Download Eve-ng Images -UPD-
Juniper offers several images for free, such as vJunos-router and vJunos-switch, which require creating a free account on the Juniper support portal [4†L7-L12]. While useful, note that some features might not be fully supported on EVE-NG running on VMware [4†L29-L33].
| Device Type | Folder Name Example | Content Required | | :--- | :--- | :--- | | Cisco IOSv | iosv-17.03.01 | virtioa.qcow2 | | Juniper vMX | vmx-21.2R1 | vmx.qcow2 + metadata.yml | | Arista vEOS | veos-4.29.0F | hda.qcow2 |
For network engineers, DevOps professionals, and students pursuing Cisco (CCNA/CCIE), Juniper, or F5 certifications, has become the gold standard for lab emulation. However, a lab is only as good as its images. Without the correct firmware, your virtual routers and firewalls are just empty shells. While useful, note that some features might not
For operating systems or appliances that only provide a bootable installer ISO (like Windows Server, Ubuntu, or specific firewall appliances): Create your target folder (e.g., linux-ubuntu-22.04/ ).
The absolute best and most legal way to get a complete suite of verified Cisco images is by purchasing a subscription. You can legally extract the reference platform ISO containing up-to-date QCOW2 images for: Cisco IOSv and IOSv-L2 (Switching) Cisco ASAv Cisco NX-OSv (Nexus) Cisco IOS-XRv and CSR1000v / Catalyst 8000V 3. Third-Party Community Disclaimer
While these packs are convenient because they bundle Cisco, Juniper, and Palo Alto images in one place, they carry significant risks: Without the correct firmware, your virtual routers and
# On EVE-NG CLI cd /opt/unetlab/addons/iol/bin/ # Upload your .bin files via SCP/WinSCP chmod +x *.bin
EVE-NG Pro version 6.5.x (released April 2026) supports an expanded list of modern virtual appliances: How to load images - - EVE-NG
What specific image are you trying to set up? Are you running EVE-NG Community or Professional ?
Always execute the command immediately after adding files.
Also known as IOU (IOS on Unix). These are lightweight Cisco images compiled directly for Linux execution, requiring minimal RAM. 2. Official Sources vs. Community Downloads