vios-adventerprisek9-m.vmdk.spa.156-2.t Cisco IOSv image (Layer 3 Virtual IOS) typically used for network simulation in environments like Cisco Modeling Labs (CML) Official Download Method
In summary, this is a virtual hard drive file containing Cisco's advanced router operating system, version 15.6, optimized to run inside a VMware environment. vios-adventerprisek9-m.vmdk.spa.156-2.t download
EVE-NG typically uses the .qcow2 format rather than .vmdk. You will need to convert the file or use the source image properly. vios-adventerprisek9-m