: Stands for Virtual IOS. This is Cisco's software optimized to run on top of a hypervisor rather than bare-metal hardware.
: Always download software from trusted sources to avoid security risks. vios-adventerprisek9-m.vmdk.spa.156-2.t download
: IOSv is relatively lightweight, usually requiring only 512MB of RAM and a single CPU core per instance. : Stands for Virtual IOS