Cat9kv-prd-17.12.01prd9.qcow2 [portable] -

mkdir /opt/unetlab/addons/qemu/cat9kv-17.12.01-prd9 cd /opt/unetlab/addons/qemu/cat9kv-17.12.01-prd9

: Production-grade image, indicating it is stabilized for live deployment rather than engineering labs. cat9kv-prd-17.12.01prd9.qcow2

: This seems to represent the software version, which in this context, likely refers to the IOS (Internetwork Operating System) version of the device. Cisco periodically releases updates to their IOS to add features, fix bugs, and address security vulnerabilities. mkdir /opt/unetlab/addons/qemu/cat9kv-17