– the REFPLAT image is watermarked with your Smart Account ID. Sharing it breaches the EULA and can lead to license revocation.

Cisco Modeling Labs (CML) has become the gold standard for network simulation, offering a powerful, scalable environment for testing complex network configurations. If you've started searching for terms like "Cisco CML refplat ISO download new," you've already discovered that the simulation engine and the device images are separate components. This guide is for anyone looking to download and deploy the latest CML refplat ISO, from beginners setting up their first lab to network engineers upgrading their existing environments.

The refplat ISO bundle is a treasure trove of Cisco's virtual network devices. The exact contents vary by release, but you can generally expect to find:

Unlike older versions that could run directly from the mounted CD, modern CML requires you to copy the ISO contents to the server's local disk. CML 2.7 Release Notes - Cisco Modeling Labs v2.7

Before downloading, carefully read the contents of the ISO file from the download portal. If it appears empty (only containing verification files), understand that the standard installation process will not work, and you will need to refer to the latest official release notes or community workarounds.