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The initial boot of a Nexus 9000v image can take anywhere from 3 to 8 minutes depending on your CPU speed.
The term "plugin" is a practical description used by the network simulation community. While the image itself is a standard QCOW2 file, it is designed to be used as a plugin within an emulation orchestrator. When added to platforms like EVE‑NG or GNS3, the software recognizes the image and presents it as a new node type—a "Cisco Nexus 9000v" switch that can be dragged, dropped, and connected to other virtual devices in a topology.
It provides the same CLI and control plane functions as physical Nexus 9000 series switches.
: Run the command /opt/unetlab/wrappers/unl_wrapper -a fixpermissions from the CLI to ensure the system can execute the file. Initial Boot & Configuration Cisco Nexus 9000v switch - - EVE-NG nxosv9k-7.0.3.i7.4.qcow2 plugin
Requires KVM support; GNS3 documentation specifically advises against using VirtualBox and recommends VMware instead. Deployment Steps (EVE-NG)
controller for better performance and to accommodate larger image sizes. into a specific network emulator? Cisco Nexus 9000v Guide
What specific are you building, or are you troubleshooting a boot loop with this image? Share public link The initial boot of a Nexus 9000v image
The Nexus 9000v is a virtual appliance that runs the same Cisco NX-OS software found on physical Nexus 9000 series switches. The "i7" designation in 7.0.3.i7.4 highlights its foundation on Cisco’s 32-bit/64-bit deployment train tailored for next-generation virtual switching. Why Use the QCOW2 Format?
Once these are in place, you are ready to build a virtual Nexus fabric that mirrors a million-dollar production data center—all from a single laptop and this humble .qcow2 plugin.
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The nxosv9k-7.0.3.i7.4.qcow2 plugin is strictly for , EVE-NG , or GNS3 . Cisco does not license this for production traffic forwarding. The data plane is software-emulated —you will get ~50 Mbps of throughput, not 50 Gbps.
: VXLAN EVPN basics, VXLAN bridging, and routing.
The is an essential image for anyone working with Cisco Data Center technologies. Its ability to accurately replicate the functionality of physical switches allows for efficient learning, testing, and deployment of complex network solutions, all within a virtual environment. To get you started with this, let me know: Are you using EVE-NG or GNS3 ? When added to platforms like EVE‑NG or GNS3,
: Common defaults for Cisco images:
Pro tip : Because the virtual switch runs in a VM, you can run Ansible directly on the EVE-NG host without hitting external networking.