The latest release of CML (v2.9) introduces a shift in how these images are handled: they must now be of your CML instance rather than just being mounted as a virtual CD-ROM. Where to Download the New Refplat ISO
The latest version for Cisco Modeling Labs (CML) is , released in July 2025. This release includes a new Refplat ISO with expanded image support, including the Catalyst 9800-CL , Cisco ISE, and Splunk Enterprise 1. Downloading the New Refplat ISO cisco cml refplat iso download new