Nxosv9k-7.0.3.i7.4.qcow2 Plugin

If you’ve ever tried to spin up a Cisco Nexus 9000v (NXOSv9K) in a virtual lab, you know the pain of broken interfaces, failed boots, or mismatched hardware signatures. The secret sauce? The often-overlooked QEMU plugin.

Today, we’re focusing on a specific, battle-tested combination: nxosv9k-7.0.3.i7.4.qcow2 and the plugin architecture that makes it sing.

Using nxosv9k-7.0.3.i7.4.qcow2 in a shared or production-mimicking lab requires discipline:

The nxosv9k-7.0.3.i7.4.qcow2 image for the Cisco Nexus 9000v Series switch is a versatile tool that supports a wide range of use cases from testing and validation to education and demonstrations. By providing a virtualized environment that closely mimics the behavior of physical Nexus 9000 Series switches, this image plays a crucial role in the preparation, testing, and deployment of network configurations.

To set up the nxosv9k-7.0.3.i7.4.qcow2 image in your lab environment (like EVE-NG), you need to follow a specific naming and directory convention. 🛠️ Step 1: Prepare the Directory nxosv9k-7.0.3.i7.4.qcow2 plugin

EVE-NG requires a specific folder name for the Cisco Nexus 9000v. Use SSH (e.g., PuTTY) to access your EVE-NG server and create the directory: mkdir /opt/unetlab/addons/qemu/nxosv9k-7.0.3.I7.4 Use code with caution. Copied to clipboard 📂 Step 2: Upload and Rename

Upload: Use an SFTP client like WinSCP to move the nxosv9k-7.0.3.i7.4.qcow2 file into the folder you just created.

Rename: The image must be named sata.qcow2 for EVE-NG to recognize it as a bootable SATA drive.

mv /opt/unetlab/addons/qemu/nxosv9k-7.0.3.I7.4/nxosv9k-7.0.3.i7.4.qcow2 /opt/unetlab/addons/qemu/nxosv9k-7.0.3.I7.4/sata.qcow2 Use code with caution. Copied to clipboard ⚙️ Step 3: Set Permissions & Resources If you’ve ever tried to spin up a

Fix the permissions to ensure the EVE-NG engine can run the file: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions Use code with caution. Copied to clipboard Minimum Resource Requirements:

RAM: 8 GB (Assigning 4 GB may cause "out of memory" errors). CPUs: 2 vCPUs. QEMU Nic: e1000 or virtio-net-pci. 🚀 Step 4: Initial Boot Setup

When you first start the node, it will ask to Abort Auto Provisioning. You must type yes within the time limit, or it may drop to a loader prompt. Configure the Boot Variable

Unlike physical switches, virtual Nexus images often lose their boot path. Once you reach the switch# prompt, find the exact .bin filename inside the image and set it permanently: Check flash for the binary: dir bootflash: Set boot variable: Vagrant uses a plugin system to manage non-standard boxes

conf t boot nxos bootflash:nxos.7.0.3.I7.4.bin copy running-config startup-config Use code with caution. Copied to clipboard

💡 Pro Tip: If you are using GNS3, you may need to add the OVMF.id (UEFI BIOS) file to the QEMU configuration to ensure the image boots correctly. Cisco Nexus 9000v switch - - EVE-NG


Vagrant uses a plugin system to manage non-standard boxes. The vagrant-nxos plugin (or a custom box definition) acts as the bridge.

Steps: