This guide explains what this image is, how to get it legally, and how to deploy it in your lab. What is the vIOS QCOW2 Image?
vios-adventerprisek9-m.spa.159-3.m2.qcow2 is a virtual Cisco IOS router image (vIOS) used for network emulation. It is a QEMU-based virtual machine image primarily distributed through the Cisco Modeling Labs (CML) (formerly VIRL) for use in software like Key Specifications Cisco IOSv 15.9(3)M2 QCOW2 (QEMU Copy-On-Write 2) File Size: Approximately 57 MB a19e998bc3086825c751d125af722329 Resource Requirements: 512 MB RAM (minimum) How to Obtain the Image
To help you get your lab running, what network emulation platform (like , GNS3 , or CML ) are you planning to use? I can provide the exact step-by-step CLI commands or resource settings required for that platform. Share public link
, the virtualized heart of a Cisco router. For years, engineers were tethered to bulky physical hardware until Cisco released the Virtual Internet Routing Lab (VIRL) , now known as Cisco Modeling Labs (CML) The specific file, vios-adventerprisek9-m.spa.159-3.m2.qcow2 , represents Version 15.9(3)M2 Vios-adventerprisek9-m.spa.159-3.m2.qcow2 Download
, the most secure and legal way to obtain this image is through a Cisco Modeling Labs (CML) subscription. Once subscribed, you can download the reference platform ISO which contains the latest vIOS images. Installation Quick Guide For GNS3 Users: and navigate to Preferences , name your device (e.g., "vIOS-Router"), and select the vios-adventerprisek9-m.spa.159-3.m2.qcow2 Set the RAM to at least for stable performance. Detailed steps can be found on the NCP Network Guide For EVE-NG Users: Use a tool like to upload the file to /opt/unetlab/addons/qemu/ The folder must be named starting with vios-15.9.3-M2 Rename the file inside to virtioa.qcow2 Fix permissions by running /opt/unetlab/wrappers/unl_wrapper -a fixpermissions IT BLOG(KR) for a visual walkthrough of this process. Final Thoughts vios-adventerprisek9-m.spa.159-3.m2.qcow2
: This indicates the "Advanced Enterprise Services" feature set, which includes high-end routing protocols, security features, and advanced networking capabilities. : This refers to the software version, IOS 15.9(3)M2
Before deploying network configurations in a real-world environment, network engineers and administrators often use simulators or emulators with IOS images like Vios-adventerprisek9-m.spa.159-3.m2.qcow2 to test and validate configurations. This helps in identifying and mitigating potential issues beforehand. This guide explains what this image is, how
Once you have an active CML subscription or an authorized Cisco Connection Online (CCO) account linked to a service contract: Navigate to the portal. Search for Cisco Modeling Labs . Select your CML version.
Remember: The best download is a legal one. Not only does it protect you from malware and legal risks, but it also ensures you receive updates, documentation, and support from Cisco.
The most affordable and legal way for individuals to access this image is through a or Personal Plus subscription. This subscription grants you access to the official CML software and a massive library of reference platform images, including vIOS-Router and vIOS-Switch. 2. Download from the Cisco Software Central Portal It is a QEMU-based virtual machine image primarily
From within Guest Shell, you can install Python libraries ( pip install netmiko , requests ), run Ansible playbooks locally, or expose RESTCONF API.
Upload the .qcow2 file to this new directory using an SFTP client (like WinSCP or FileZilla).