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Cisco CML Reference Platform (RefPlat) ISO — Monograph
Cisco CML Refplat ISO: Download Guide, Installation, and Best Practices
The term "Cisco CML Refplat ISO" refers to the Reference Platform disk image required to run Cisco Modeling Labs (CML). Without this ISO, CML is essentially an empty orchestration engine; the ISO contains the definitions and bootloader images for the various network nodes (IOSv, IOS-XRv, CSR1000v, Nexus 9000v, etc.).
Below is a complete guide on how to securely download, verify, and install the Refplat ISO for a "new" CML deployment. cisco cml refplat iso download new
Installation workflow (bare-metal / ISO install - concise)
- Verify hardware meets the release-specific requirements.
- Download the correct RefPlat ISO for your CML version from Cisco (match architecture and hypervisor target if applicable).
- Create installation media (burn ISO to USB or mount to VM).
- Boot target host from ISO and follow installer prompts:
- Partitioning: choose automatic or manual per site policy.
- Network: configure management interface (static IP recommended).
- Hostname and time settings.
- After install, reboot into the installed RefPlat system.
- Complete post-install tasks via console or SSH:
- Configure networking (bridging and firewall rules) for lab isolation.
- Register/activate host with your CML license (using provided activation tool or via the CML management UI).
- Import CML images and templates (if not bundled).
- From the CML management UI (or API), create labs and provision nodes.
System requirements (typical, verify for your CML version)
- CPU: 4+ cores per small deployment; 8+ recommended for medium labs; more for large topologies.
- RAM: 8–16 GB minimum for small labs; 32+ GB recommended for heavier usage.
- Storage: 50–200+ GB depending on images and snapshots; fast NVMe/SATA recommended.
- Network: At least one dedicated NIC; multiple NICs recommended for management and lab isolation.
- Virtualization support: CPU virtualization extensions (VT-x/AMD-V) enabled in BIOS for KVM/VMware.
(These are typical guidance values — always check the specific CML release notes for exact minimums.) Cisco CML Reference Platform (RefPlat) ISO — Monograph