Once you have the image, ensure your hypervisor meets these minimum specs to avoid boot loops: : 2 (Recommended 4 for faster boot) : 8 GB (Minimum 4 GB, but it may be sluggish) : Telnet (for EVE-NG/GNS3) Quick Setup Tip When importing nxosv9k-7.0.3.i7.4.qcow2 into EVE-NG, remember to fix the permissions via the CLI: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions Use code with caution. Copied to clipboard
The 7.0.3.I7.4 release belongs to the Cisco Nexus 9000 standalone virtual switch series. It emulates the Cisco Nexus operating system (NX-OS) environment, allowing you to practice data center features. QCOW2 (QEMU Copy-On-Write) OS Version: 7.0.3.I7.4 Default Architecture: 64-bit
The NX-OSv 9000 image takes roughly 5 to 8 minutes to fully boot to the login prompt. The boot sequence uncompresses a large system image into the virtual RAM. Do not interrupt the process if the console seems frozen at the loading screen. Supported Features
Users with an active Cisco service contract (Smart Net Total Care) associated with Nexus hardware can download NX-OS images directly from the Cisco Software Central portal.
The Cisco NX-OSv 9000 is a virtual switch platform running the same Nexus software found on physical hardware. The .qcow2 (QEMU Copy-On-Write) format is optimized for Linux-based Kernel-based Virtual Machine (KVM) hypervisors, making it the industry standard for network emulation software. Key Specifications of Release 7.0.3.I7.4 nxosv9k-7.0.3.i7.4.qcow2 free download
:Run the standard EVE-NG utility to ensure the system can access the new files: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions Initial Configuration Steps
If you need help setting up your virtual network environment, please let me know:
This is the sanctioned way to obtain Cisco virtual images. CML provides the Nexus 9000v image legally.
If you're planning to install or upgrade to nxosv9k-7.0.3.i7.4.qcow2 , ensure you follow these steps: Once you have the image, ensure your hypervisor
If you are a or for learning purposes , consider using Cisco DevNet , Cisco dCloud , or EVE-NG with demo images that are legally provided for evaluation.
: If you have a valid service contract (SmartNet) associated with your Cisco account, you can download the images directly from the Cisco Software Download portal.
The first boot of a virtual Nexus 9000 switch can take anywhere from 5 to 15 minutes depending on your storage speed and CPU performance.
It is intended for control plane validation, protocol testing, and configuration verification—not for handling high-volume production traffic. QCOW2 (QEMU Copy-On-Write) OS Version: 7
When the switch starts, it will ask:
NX-OSv 9000 is designed to simulate the control plane of a Cisco Nexus 9000 switch. It's ideal for:
: Open the EVE-NG web interface, create a new lab, right-click to add a node, select Cisco NX-OSv 9000 , choose the 7.0.3.i7.4 version template, adjust RAM to 8192MB, and start the node. Method 2: Deploying in GNS3 (Graphical Network Simulator-3) GNS3 supports the NX-OSv 9000 image via the GNS3 VM.