The Cisco vIOS L3 image viosadventerprisek9-ms.spa.159-3.m6.qcow2
: Indicates this is a virtual IOS image with the "Advanced Enterprise" feature set, including strong encryption (k9). download viosadventerprisek9mspa1593m6qcow2 verified
viosadventerprisek9: This is the platform and feature set identifier, indicating that it's an IOS software image for a specific Cisco device.mspa: This indicates that the software is a maintenance release.1593: This is the software version identifier.m6: This indicates the specific software build.qcow2: This is the file format, which is a compressed image file.Resources: vIOS-L3 images are lightweight. They typically require only 512MB of RAM and 1 CPU core per instance. The Cisco vIOS L3 image viosadventerprisek9-ms