Note: The latest refplat-20260326-ise-iso.zip is available for CML 2.10, ensuring compatibility with the newest network protocols and ISE scenarios. How to Download the CML Refplat ISO (Patched)
Disclaimer: This blog post is for informational purposes only. Always adhere to Cisco’s End User License Agreement (EULA) and respect software copyright laws.
After the copy process completes, verify that the nodes are recognized: Navigate to the page in the CML UI.
By downloading, patching, and rebuilding your Cisco CML RefPlat ISO, you unlock a highly customized network emulation experience. This ensures your virtual labs match production environments, run stable code, and include all the niche tools your engineering workflows demand. To help tailor this guide further, let me know: cisco cml refplat iso download patched
Using an outdated refplat ISO can lead to several issues, including:
After attaching the patched ISO, you must trigger CML to read the updated image directory.
In simple terms, the CML is a CD/DVD image file that contains all the virtual machine (VM) images for the different node types that can be run in CML labs. The official Cisco documentation states: "The refplat ISO file contains a VM image for each of the different node types that can be run in CML labs. You cannot start lab simulations in CML without the VM images from the refplat ISO". Note: The latest refplat-20260326-ise-iso
files are critical updates that expand or fix the library of network operating system images available for your simulations. Unlike the base software (OVA), which controls the dashboard, the refplat ISO contains the actual "brains" of the devices like routers, switches, and firewalls. Cisco DevNet Quick Download Guide To get the latest version, you must use your Cisco CCO ID and navigate through the following paths: For Paid Users : Log in to the Cisco Learning Network Store , find your active order, and click to reach the Software Central page. For Free Tier Users : Use the dedicated CML-Free Download Page Crucial Tip : The file is usually a unzip it to get the file before attempting to mount it in VMware or CML. Cisco Learning Network Review of Recent "Patched" & Supplemental Releases Cisco occasionally releases "supplemental" ISOs (e.g., refplat-20240322-supplemental.iso ) to add resource-heavy or newly supported images. Cisco Learning Network FAQ - Cisco Modeling Labs v2.x
Searching for a "patched" ISO implies looking for a version of the software that has had its licensing or authentication mechanisms bypassed. While this might seem like a shortcut, it poses significant risks:
To understand the conversation, you first need to understand the components of CML. After the copy process completes, verify that the
This method avoids the "refplat" and "patching" headache entirely while remaining 100% legal and stable.
Resolved issues with image booting or functional flaws in virtual networking.
Change the backing device to , then browse to and select your patched ISO file. Check the Connected and Connect at Power On boxes. Click Save . For Bare-Metal / KVM Environments