Note: Cisco VM images provided in the Refplat bundle are and cannot be legally extracted for use in external hypervisors or alternative emulators. Step 1: Locating Your Proper Download Path
1. Understanding the CML Architecture: Controller vs. Refplat
Once the copy is finished, go to in CML to ensure all new images (IOL, SD-WAN, etc.) are visible and ready for use. Key Changes in 2026 Refplat Releases cisco cml refplat iso download new
This is the required, main file for new installations or upgrades.
"...Currently, there are three (3) different Refplat ISO files available... For classical routing and switching stuff, you need the "normal" Refplat ISO file... For SD-WAN and/or Firewall stuff... you need the "supplemental" Refplat ISO file. For the Cisco Identity Services Engine (ISE), you need the "ISE" Refplat ISO file." Note: Cisco VM images provided in the Refplat
Navigate to > System Administration or use an SFTP client (like FileZilla) to connect to the CML backend.
: Register for access via the CML-Free Sign-up page . Once confirmed, you can download the OVA and the refplat ISO from Cisco Software Central . Refplat Once the copy is finished, go to
If you forgot to attach the ISO during initial setup, or if you've just downloaded a newer version (e.g., an updated refplat-20241016-supplemental.iso ), you can copy it without reinstalling.
I can provide the exact terminal commands or configuration settings for your environment. Share public link
In essence, CML is the engine that manages your network simulation, but the RefPlat ISO provides the actual operating systems for the virtual routers, switches, and firewalls.