Before downloading, know what you need:
| Image Type | File Extension | Example | Use Case |
|------------|---------------|---------|-----------|
| Dynamips (IOS) | .image | c7200-adventerprisek9-mz.124-24.T5.image | Older Cisco routers |
| IOL (IOS on Linux) | .bin | L2-ADVENTERPRISEK9-M-15.2-20150703.bin | Cisco Layer 2/3 switching |
| QEMU | .qcow2 | hda.qcow2, virtioa.qcow2 | Firewalls (ASA, vSRX), Servers (Windows, Linux) | Download All Eve-ng Images
Fix: Generate a license for your specific EVE-NG node ID. Use the CiscoIOUKeygen.py script. The Ultimate Guide: How to Download All EVE-NG
While there is no official "all-in-one" download, the community has created helpful scripts and torrents for obsolete or very old images (which are legally gray areas for educational use). The most famous is the EVE-NG Community Image Repository. Problem 4: Cisco IOL images give "License Error"