Version 9.3.9 serves as a critical stability anchor within the release train. Prior to this release, earlier versions of the 9.3 train encountered specific issues regarding VXLAN BGP EVPN control planes and specific ASIC driver compatibility on physical hardware, the remnants of which often trickled down to the virtual appliance. Release 9.3.9 typically aggregates fixes for these defects.
Once you have downloaded the QCOW2 file, you can import it into your preferred network emulation environment. 1. EVE-NG (Emulated Virtual Environment Next Generation)
Some community editions provide direct download links only if you upload proof of Cisco purchase. Without credentials, you cannot proceed. Nexus9300v.9.3.9.qcow2 Download
Version 9.3.9 includes several enhancements over earlier 9.x releases:
Run the built-in EVE-NG utility wrapper to ensure the system can read and write to the image: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions Use code with caution. Version 9
Below are guides for installing the QCOW2 image on various popular platforms.
Upload the downloaded image into this directory using an SFTP client. Rename the file to virtioa.qcow2 : mv Nexus9300v.9.3.9.qcow2 virtioa.qcow2 Use code with caution. Fix permissions in EVE-NG: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions Use code with caution. 2. GNS3 (Graphical Network Simulator-3) Open GNS3 and go to > Qemu VMs . Click New to create a new template. Name the template (e.g., Cisco Nexus 9300v 9.3.9 ). Allocate at least 8192 MB of RAM and 2 vCPUs. Once you have downloaded the QCOW2 file, you
: Extremely long boot times (often 5–10 minutes) and high idle CPU usage. Users frequently warn that running a "spine-leaf" topology requires a very powerful server (64GB+ RAM). Important Note on Downloading
If you subscribe to Cisco Modeling Labs (CML Personal or Enterprise), the Nexus 9300v image is often included in the reference platform ISO provided with your subscription. You can extract the QCOW2 file directly from the CML image repository. Verifying File Integrity
If you are looking for specific configuration steps, such as setting up NX-API or configuring virtual port channels (vPC) on this 9.3.9 version, I can provide those commands for you. Network Device Simulation for Cisco Nexus with QEMU/KVM
This is normal for the N9Kv data plane. In version 9.3.9, set system qos to reduce CPU simulation accuracy for the lab: