This usually stems from a misunderstanding of how Cisco licensing works, or a desire to bypass official channels. In this post, we will clarify what the "refplat ISO" actually is, why looking for "patched" versions is risky, and the correct, legal way to manage your CML resources.
Run the genisoimage command to create a brand new, bootable/mountable ISO file structure containing your updates:
: Modern CML versions (v2.7+) require copying the ISO contents to the local disk rather than mounting it as a live CD/DVD during runtime to improve performance. Key Features in Recent Updates Description IOL/IOL-L2 Support cisco cml refplat iso download patched
As the progress bar finally nudged to 100%, Elias felt a rush of adrenaline. He mounted the ISO to his ESXi host and initialized the CML controller. The fans on his refurbished Dell PowerEdge roared to life, a mechanical scream that echoed in the small spare bedroom.
Delete or move the old .qcow2 file out of the specific node folder. This usually stems from a misunderstanding of how
Upgrading a specific node version (e.g., from Catalyst 9000v 17.9 to 17.12) without waiting for a new CML release.
You might need a patched version of the RefPlat ISO to address specific vulnerabilities, bugs, or compatibility issues. Patched versions are typically released to fix known issues or security vulnerabilities in the original ISO. Delete or move the old
Look for "RefPlat Update" packages on the Cisco download site.
The RefPlat ISO is a large media file (often exceeding 30 GB) that mounts to the CML virtual machine. It acts as a read-only repository from which CML copies node definitions and disk images into its internal storage. Why Patch the RefPlat ISO?