Cisco Cml Refplat Iso 'link' Download New 〈1080p – FHD〉

The "Refplat ISO" is a massive image collection (over 10GB) that acts as the lifeblood of your Cisco Modeling Labs (CML). Without it, you cannot start lab simulations because it contains the actual virtual machines (VMs) for routers, switches, and firewalls. The Core Essentials

The "New" Standard: CML 2.9 (the latest feature release) and CML 2.8 introduce critical shifts, such as support for IOL and IOL-L2 images (iOS on Linux), which are lightweight and allow for higher node counts.

Two ISOs Now Exist: Recent versions often use a Standard ISO for core images and a Supplemental ISO for heavy-duty appliances like Catalyst SD-WAN, ISE, and Splunk.

Mandatory Copy: 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

The latest Cisco Modeling Labs (CML) 2.9.1 (as of April 2026) continues to use a multi-ISO structure for its reference platforms (refplat)

. Key updates for the newest "refplat" downloads include the following: New Supplemental ISO Images Starting with release 2.9, Cisco transitioned to offering three separate refplat ISO files

for paid versions to manage large image sizes and specialized deployments: Cisco Learning Network Standard Refplat ISO : Includes core routing and switching images like IOSv, IOSv-L2, ASAv , and standard Linux host images. Supplemental Refplat ISO : Now includes images for Catalyst 9800-CL (Wireless Controller), Identity Services Engine (ISE) Splunk Enterprise Catalyst SD-WAN (formerly Viptela). Specialized ISE ISO : A dedicated ISO specifically for larger Cisco DevNet Key Platform Enhancements Docker Container Support

: CML 2.9 introduced native support for Docker container nodes, allowing users to run lightweight containerized applications alongside virtual network devices. IOL Node Support : Newer refplat images include IOL (IOS on Linux)

node types, which are significantly more resource-efficient than traditional VM-based images. Node Disk Image Cloning

: A new feature that allows administrators to clone existing node disk images for faster lab setup. OS Upgrade cisco cml refplat iso download new

: In-place upgrades for recent versions now migrate the underlying host OS to Ubuntu 24.04 LTS (Noble Numbat). Cisco DevNet Download and Installation : Files are available via the Cisco Software Central

portal. CML-Personal users can access their specific downloads through the Cisco Learning Network Store under "My Account". Application

: Once downloaded, the ISO must be mounted to the CML VM and then copied to the local disk using the "Copy Refplat ISO"

tool in the System Administration Cockpit to ensure images are available for lab nodes. Cisco DevNet mount and copy these new ISO files to your existing CML instance? Cisco Modeling Labs - Free - Cisco DevNet

Cisco CML Refplat ISO Download: A Comprehensive Guide to Getting Started with Cisco's Virtualized Networking Platform

As a network administrator or engineer, you're likely no stranger to the complexities of configuring and managing network infrastructure. With the ever-evolving landscape of networking technologies, it's essential to stay up-to-date with the latest tools and platforms that can help streamline your workflow and improve network performance. One such platform is Cisco's Cloud Modeling Labs (CML) Reference Platform, commonly referred to as CML Refplat. In this article, we'll explore the process of downloading the CML Refplat ISO, and provide a comprehensive guide to getting started with this powerful virtualized networking platform.

What is Cisco CML Refplat?

Cisco CML Refplat is a virtualized networking platform designed to simulate and model real-world network environments. This platform allows network administrators and engineers to design, configure, and test network topologies in a virtual environment, reducing the need for physical hardware and minimizing the risk of configuration errors. CML Refplat is built on top of the Cisco Virtual Topology System (VTS) and utilizes a Linux-based operating system.

Key Features of CML Refplat

The CML Refplat platform offers a range of features that make it an attractive solution for network administrators and engineers. Some of the key features include:

Downloading the CML Refplat ISO

To get started with CML Refplat, you'll need to download the ISO file from the Cisco website. Here are the steps to follow:

  1. Log in to your Cisco account: If you don't have a Cisco account, create one by visiting the Cisco website and following the registration process.
  2. Navigate to the CML Refplat download page: Visit the Cisco CML Refplat download page and click on the "Download" button.
  3. Select the correct ISO file: Choose the correct ISO file for your platform, taking note of the version and architecture (e.g., 64-bit or 32-bit).
  4. Download the ISO file: Click on the ISO file link to initiate the download process. The file size is typically around 2-3 GB, so ensure you have a stable internet connection.

Installing CML Refplat

Once you've downloaded the ISO file, you can proceed with the installation process. Here are the general steps to follow:

  1. Create a virtual machine: Create a new virtual machine (VM) using your preferred hypervisor, such as VMware or VirtualBox.
  2. Mount the ISO file: Mount the CML Refplat ISO file to the VM and boot from it.
  3. Follow the installation wizard: The installation process will guide you through a series of steps, including language selection, keyboard configuration, and network settings.
  4. Configure the network settings: Configure the network settings, including the IP address, subnet mask, and default gateway.

Configuring CML Refplat

After installation, you'll need to configure CML Refplat to suit your needs. Here are some general steps to follow:

  1. Access the CML Refplat web interface: Open a web browser and navigate to the CML Refplat web interface using the IP address you configured during installation.
  2. Log in to the platform: Log in to the platform using the default credentials (typically "admin" for both username and password).
  3. Configure the platform settings: Configure the platform settings, including the network settings, user accounts, and authentication options.
  4. Create a new topology: Create a new topology by selecting the "Topology" option from the main menu and following the prompts.

Tips and Tricks for Getting Started with CML Refplat

Here are some additional tips and tricks to help you get started with CML Refplat: The "Refplat ISO" is a massive image collection

Conclusion

In conclusion, Cisco CML Refplat is a powerful virtualized networking platform that can help streamline your network administration and engineering tasks. By following the steps outlined in this article, you can download the CML Refplat ISO, install and configure the platform, and start creating virtual network topologies in no time. With its robust features, intuitive interface, and extensive community support, CML Refplat is an excellent choice for network administrators and engineers looking to take their skills to the next level.

Additional Resources

By following this guide, you'll be well on your way to becoming proficient in CML Refplat and taking advantage of its many features and benefits. Happy learning!

Here’s a structured, solid report on the topic: Downloading Cisco CML (Cisco Modeling Labs) Reference Platform (RefPlat) ISO – New Version.


Prerequisites

First-Time Setup and Licensing

After booting, you must license CML.

  1. Open a browser to https://<cml-ip> (accept the self-signed certificate).
  2. Log in with the admin password you set.
  3. The system will prompt you for Smart Licensing:
    • Enter your Smart Account username/password or Registration Token.
    • Alternatively, if you have a local license file (for CML-P offline), upload it.
  4. Once licensed, navigate to System → Images. You will see that no node images are installed yet. You must separately download IOSv, IOSvL2, ASAv, etc. from Cisco Software Central.
  5. Add node images via the web UI: Images → Add Image → Upload QEMU image file (e.g., iosv-156-2T.bin).

Now you are ready to build your first lab.


Common Download and Installation Issues (and Fixes)

Even with a new ISO, users encounter problems. Here are solutions for the top 5 issues related to the download/install process:

| Issue | Likely Cause | Solution | |-------|--------------|----------| | Slow ISO download | High demand, CDN throttling | Use a download manager like wget -c on Linux or Download Master on Windows. | | ISO fails checksum | Corrupted download | Verify SHA256 hash from Cisco download page. Re-download if mismatch. | | "No bootable device" after install | BIOS boot order wrong | In hypervisor, ensure hard disk is first boot device, remove ISO. | | Web UI unreachable (HTTP 502) | Memory insufficient | Increase VM RAM to 16+ GB or reduce lab size. | | Node images won't start – KVM error | Nested virt disabled | For VMware: enable “Hardware Virtualization” in VM options. For VirtualBox: enable Nested VT-x. | Virtualized network modeling : CML Refplat allows users


Step-by-Step Download

The Ultimate Guide to the New Cisco CML REFPLAT ISO Download: Getting Started with Enterprise Simulation