Nexus9300v939qcow2 New May 2026

One of the best "new" features is the ability to auto-configure. Create a file bootstrap.cfg with:

version 9.3(9)
hostname Leaf-1
vlan 10,20
interface Vlan10
 ip address 10.0.10.1/24
 no shutdown
interface Ethernet1/1
 switchport mode trunk
 switchport trunk allowed vlan 10,20
 no shut
username admin password 5 $1$something password-force-change

Then attach it as an ISO or via CDROM. The virtual switch will configure itself on first boot—perfect for Ansible or Terraform pipelines.

sudo qemu-img info nexus9300v939qcow2_new.img

Ensure the image is not corrupt.

The Cisco Nexus 9300v is a virtual switch appliance that emulates the hardware Nexus 9300 platform. The image nexus9300v.9.3.9.qcow2 (based on NX-OS version 9.3(9)) is the latest iteration in the 9.3.x train, designed for virtualized environments (KVM, VMware ESXi, OpenStack) and containerized labs (EVE-NG, GNS3, Cisco Modeling Labs – CML). nexus9300v939qcow2 new

Key update: Version 9.3.9 moves from legacy Titanium kernel to a Linux-based kernel (like newer Nexus 9000v releases), improving performance, stability, and feature parity with physical Nexus 9300 switches.

While the virtual Nexus is a lab tool, do not expose the management interface to the public internet. The default credentials (admin/admin) are well-known. Always:

If you are currently running Nexus 9000v version 9.3.7 or older, upgrade immediately. The improvements in boot time, memory efficiency, and EVPN stability are transformative. One of the best "new" features is the

If you are on 9.3.8, the decision is nuanced. For production labs that are stable, the delta may not justify the downtime. But for new deployments, always start with the nexus9300v939qcow2 new image.

Final Verdict: This release re-establishes the Cisco virtual Nexus as the leading platform for multi-vendor emulation. Whether you are preparing for your CCIE Data Center lab or testing a cloud-native fabric, this image delivers.

The latest Nexus9300v image isn't just a version bump. Based on community feedback and release notes, here is what the new build usually brings to the table: Then attach it as an ISO or via CDROM

The Cisco Nexus 9300v is a virtualized version of Cisco’s Nexus 9300 series fixed switches, designed to run NX-OS in a virtual environment. The nexus9300v.9.3.9q.qcow2 image is specifically packaged for use with EVE-NG, GNS3, and KVM/QEMU hypervisors.

This image provides network engineers with a production-like NX-OS environment for testing: