Create the mandated folder: mkdir -p /opt/unetlab/addons/qemu/vios-adventerprisek9-m.SPA.157-3.M3/ .
Router# show license Router# show version
This image originated directly from Cisco's internal development for CML (formerly known as VIRL). It represents the standard reference platform for legal, vendor-supported virtualization of legacy Cisco IOS environments. Technical Specifications and Resource Allocation
: This generally indicates that the image runs in the main memory (RAM) or identifies the specific CPU/platform architecture optimized for this virtual build. Vios-adventerprisek9-m.vmdk.spa.157-3.m3
: Virtual Internetwork Operating System. This tells you the operating system is decoupled from hardware and modified specifically to run inside an x86 virtualized architecture using Kernel-based Virtual Machines (KVM) or QEMU.
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: It is commonly used for testing Ansible Network Automation scripts against virtualized Cisco routers. GNS3 2.2.3 Released! Are you troubleshooting a specific with this image
: Serving as a target for Netmiko, Ansible, or Python scripts to practice Network Automation. or a comparison of its feature set versus the Layer 2 version (IOSvL2)? How many remote servers can one GNS3 handle
Replicating a true-to-life Enterprise topology historically required thousands of dollars in physical routing gear. This image supports advanced Layer 3 enterprise protocols like . Because it operates with a light footprint (512 MB RAM), an engineer can run 20 to 30 routers simultaneously on a mid-range consumer laptop to study complex traffic paths. CI/CD Network Automation Testing
: .vmdk , which can be converted to .qcow2 for use in QEMU-based hypervisors. How to Use the Image in a Lab OSPF (v2 and v3)
: Full support for BGP, OSPF (v2 and v3), EIGRP, and IS-IS.
In this article, we will dissect every component of this file, explore its use cases in EVE-NG and VMWare Workstation/Fusion, discuss licensing, and provide a step-by-step deployment guide.