Recent versions often use a Standard ISO for core images and a Supplemental ISO for heavy-duty appliances like Catalyst SD-WAN, ISE, and Splunk.
Before we focus on the download process, let’s understand the ecosystem. cisco cml refplat iso download new
The Cockpit shows an error when trying to copy the Supplemental or Standard ISO. Recent versions often use a Standard ISO for
When you download a RefPlat ISO, you are getting a collection of pre-configured virtual machine (VM) images for various Cisco devices, including routers (IOSv, IOS XRv), switches (IOSvL2), firewalls (ASAv), and more. Without these images, you cannot start any lab simulations in CML—you would only see basic nodes like "Unmanaged Switch" and "External Connector". The RefPlat ISO is a mandatory component that must be attached to your CML server during the initial setup. When you download a RefPlat ISO, you are
Cisco does not distribute the REFPLAT ISO through public torrents or third-party websites. You must have a valid entitlement. There are two primary legal ways: