Unlike physical switches, virtual Nexus images often lose their boot path. Once you reach the switch# prompt, find the exact .bin filename inside the image and set it permanently: Check flash for the binary: dir bootflash: Set boot variable:
Here is the reality: You cannot just download the .qcow2 and hit "Run." You need the plugin architecture correctly wired. nxosv9k-7.0.3.i7.4.qcow2 plugin