Nexus9300v.9.3.9.qcow2 -

Let’s break the nomenclature down:

In layman’s terms: This is a Linux-based virtual machine image that boots into a fully functional Cisco NX-OS CLI.

Even an excellent release has quirks. Here’s what to expect with nexus9300v.9.3.9.qcow2:

This is where the QCOW2 shines natively.

# Create a copy so you don't corrupt the original
cp nexus9300v.9.3.9.qcow2 my-lab-switch.qcow2

If you are considering moving to 10.x or 9.4.x, here is why nexus9300v.9.3.9.qcow2 remains relevant:



To upgrade within the same VM:


install all nxos bootflash:nxos.9.3.10.bin



But ensure you have a backup of the primary .qcow2.




Here is how to set up nexus9300v.9.3.9.qcow2 on a KVM-based hypervisor (Ubuntu 22.04 LTS).


The first boot can take 8–12 minutes. Wait for the prompt: NexonOS Kernel starting... then switch(boot)#. Be patient; the CPU fans (fake) will ramp up. nexus9300v.9.3.9.qcow2



  • 

    Boot and access the console. Perform initial NX-OS setup (admin user, management IP, licensing or feature enablement if required).
    

    • 


    After power-on, you will see:
    

    Loading system software
...
User Access Verification
Username:

    

    It takes 2-4 minutes after the console shows activity before login prompt becomes responsive.
    

    

    If you have a specific problem (won’t boot, crashes, slow performance), tell me your hypervisor (EVE-NG/GNS3/VMware) and your host PC specs (RAM/CPU).
    

    The nexus9300v.9.3.9.qcow2 file is a virtual disk image used to run the Cisco Nexus 9300v (NX-OSv) switch within hypervisors like KVM or network simulation platforms such as EVE-NG and Proxmox. Technical Specifications Virtual Platform: Nexus 9300v (Non-modular). Software Version: NX-OS 9.3(9). Format: QEMU Copy On Write 2 (.qcow2). File Size: Approximately 1.98 GB (1,980,563,456 bytes).
    

    Capacity: Supports a single virtual line card with up to 64 virtual interfaces. Deployment Overview
    

    To utilize this image in a virtual lab environment, follow these general steps based on Karneliuk's infrastructure guide and EVE-NG documentation: Preparation:
    

    Create a directory on your host (e.g., /opt/unetlab/addons/qemu/nxosv9k-9.3.9/ for EVE-NG). Upload the nexus9300v.9.3.9.qcow2 file to this directory. Let’s break the nomenclature down:
    

    Rename the file to sataa.qcow2 (or virtioa.qcow2 depending on your driver) for proper detection. Initial Boot Configuration:
    

    Abort Auto Provisioning: When prompted during the first boot, select "yes" to abort POAP and enter normal setup.
    

    Secure Password: Choose whether to enforce secure password standards (often "no" for lab environments).
    

    Admin Setup: Set the admin password (default is often admin).
    

    Basic Dialog: Skip the basic configuration dialog ("no") to enter the CLI directly. Post-Install Check:
    

    Verify the image is correctly recognized by running dir bootflash: from the switch console to see the system image files. Key Differences
    

    The 9300v is a fixed-configuration virtual switch, whereas the 9500v variant (also available in the 9.3.9 train) simulates a modular chassis capable of supporting up to 16 line cards and 400 virtual interfaces.
    

    Are you planning to deploy this on EVE-NG, GNS3, or a standalone KVM/Proxmox host? Cisco Nexus 9000v switch - - EVE-NG In layman’s terms: This is a Linux-based virtual
    

    nexus9300v.9.3.9.qcow2 virtual disk image for the Cisco Nexus 9300v
    

    , a virtual switch designed to simulate the control plane and data plane of physical Cisco Nexus 9000 series hardware. Key Features & Specifications Virtual Interfaces : Supports up to 64 virtual data interfaces plus one management port. Layer 2/3 Capabilities
    

    : Includes support for VXLAN, EVPN, vPC, BGP (v4/v6), OSPFv3, EIGRP, and RIP. Resource Requirements : Typically requires at least 2 physical CPU cores 8192 MB (8GB) of vRAM
    

    to operate stably, though some users reduce this to 6GB in labs. Hypervisor Compatibility
    

    : Runs on KVM/QEMU and is commonly used in network simulation environments like vNIC Mapping
    

    : Uses sequential mapping where the first vNIC provided by the hypervisor is assigned to the management interface, and subsequent vNICs map to Ethernet 1/1, 1/2, etc.. Management & Deployment Default Credentials : The default username is . There is typically no preconfigured password ; you are prompted to create one during the initial setup. Programmability : Supports automation through Boot Customization : Users can interrupt the boot process using
    

    to enter the loader prompt for password recovery or manual image booting. for this image? Cisco Nexus 9000v switch - - EVE-NG