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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:

• Virtualized network modeling: CML Refplat allows users to create virtual network topologies that mimic real-world environments, making it easier to design, configure, and test networks.
• Support for multiple vendors: CML Refplat supports a range of network vendors, including Cisco, Juniper, and Arista, among others.
• Web-based interface: The platform features a user-friendly web-based interface that makes it easy to create, configure, and manage virtual network topologies.
• RESTful API: CML Refplat provides a RESTful API that allows developers to integrate the platform with other tools and applications.

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: cisco cml refplat iso download new

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:

• Familiarize yourself with the platform: Take some time to explore the CML Refplat interface and features to get a feel for how the platform works.
• Start with simple topologies: Begin with simple topologies and gradually move on to more complex configurations as you become more comfortable with the platform.
• Use the built-in tutorials: Cisco provides a range of tutorials and guides to help you get started with CML Refplat.
• Join the Cisco community: Join the Cisco community to connect with other users, ask questions, and share knowledge.

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

• Cisco CML Refplat documentation: Visit the Cisco website for comprehensive documentation on CML Refplat, including user guides, installation guides, and release notes.
• Cisco CML Refplat community: Join the Cisco CML Refplat community to connect with other users, ask questions, and share knowledge.
• Cisco Virtual Topology System (VTS) documentation: Visit the Cisco website for more information on VTS, the underlying technology behind CML Refplat.

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!

is arguably the most critical piece. While the OVA file is the "brain" of CML, the refplat ISO contains the actual virtual machine images (IOSv, NX-OS, ASAv, etc.) that power your labs. 📍 Where to Find the Download The location depends on your version of CML: CML-Personal/Personal Plus: Log into the Cisco Learning Network Store , find your active order under , and click the button. This redirects you to the Cisco Software Central page without requiring a separate service contract. CML-Free (Community Edition): Sign up for access via the CML-Free registration page

. Once confirmed, you can download the 2.8+ stable versions directly from the Cisco Software Download 📦 Which ISO Do You Need?

Recent releases (CML 2.7+) often split the reference platform into multiple files to manage size: Standard ISO (fcs): Includes classic routing/switching images (IOSv, L2, etc.). Supplemental ISO: Contains heavier images like (Catalyst SD-WAN) and (Appliance and Management Center). Specifically for the Cisco Identity Services Engine 🛠️ Installation Tip

After downloading, you must "mount" the ISO to your CML VM. You can then use the System Administration Cockpit Cisco CML Refplat ISO Download: A Comprehensive Guide

(port 9091) to copy these images to the local disk, which ensures your labs run smoothly without needing the ISO permanently attached.

Always match your refplat version with your CML controller version. Using a 2.7.x ISO with an older 2.5 controller can cause compatibility issues. Copy Refplat ISO to Disk - Cisco Modeling Labs v2.9

The latest version of Cisco Modeling Labs (CML) is , released in mid-2025. To get your lab environment running, you must download two separate components: the CML Controller (OVA) Reference Platforms (refplat ISO) Cisco DevNet Where to Download the Latest Files

Depending on your license type, the download location varies: Cisco Modeling Labs - Free - Cisco DevNet

Download the files for CML-Free from Cisco's Software Central (SWC) site. You do not need to download all of the files from a CML- Cisco DevNet How to Install the Cisco CML FREE Tier (Step-by-Step)

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

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Cisco CML Reference Platform (RefPlat) ISO — Monograph

2. Cisco DevNet (Learning Labs & Evaluation)

• If you don’t have a paid CML license, you can access a 30-day trial via Cisco DevNet.
• Go to developer.cisco.com and search for “CML Sandbox”.
• You cannot download the ISO directly from DevNet, but you can reserve a sandbox that runs the latest REFPLAT.
• Once reserved, you can export the VM image (OVA) from the sandbox for local use (subject to license terms).

1. Log into Cisco Software Central

• Go to: https://software.cisco.com
• Sign in with your Cisco credentials

1. Important Prerequisites & Licensing

Before attempting to download, ensure you have the following: Virtualized network modeling : CML Refplat allows users

• Active Contract: You must have a valid Cisco Service Agreement (SA) associated with your Cisco ID. CML is not free software; it requires a purchased license (Cisco often offers a 7-day trial license for new users, but the download requires contract access).
• Hardware Requirements: Ensure your server meets the specs.
  • CPU: Intel Haswell or newer (or AMD equivalent) with Nested Virtualization enabled in BIOS.
  • RAM: Minimum 8GB (16GB+ recommended for Refplat images).
  • Disk: 50GB+ free space.

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4. REFPLAT Role in CML

• Acts as a routing/switching virtual node (IOSv, IOSvL2, ASAv, etc.).
• Pre-installed with Cisco images; avoids manual OVA imports.
• Cloned for multiple node instances in a topology.