Nxosv9k703i74qcow2 -

What are you currently building in your lab? Drop your topology screenshots below! 👇

: Ensure the host has enough space for the ~2 GB compressed image and its growth during runtime. Deployment Steps nxosv9k703i74qcow2

While newer versions (9.x releases) exist, the 7.0(3)I7(4) image remains extremely popular in network simulation communities (GNS3/EVE-NG) because it is lighter on RAM/CPU resources than the newer 9000v releases while still supporting modern Data Center features. What are you currently building in your lab

| What it is | Why it matters | |------------|----------------| | (the same code you’d find on a physical Nexus‑9000) | Gives you a real Cisco operating system – all the same CLI commands, APIs, and feature set you’d get on hardware. | | QCOW2 container format | Optimized for KVM/QEMU: supports thin provisioning, snapshots, compression, and live‑migration. You can spin up many instances on a single workstation or a cloud VM without needing a dedicated hypervisor appliance. | | Zero‑touch provisioning (ZTP) & Cisco DNA Center integration | Perfect for automation labs. You can plug the virtual switch into Cisco DNA Center, Ansible, or Python scripts just like a physical device, and it will respond to ZTP, NETCONF, RESTCONF, NX‑API, and gNMI out‑of‑the‑box. | | Hardware‑level feature parity (e.g., VDC, VPC, L2/L3, VXLAN, OTV, FEX, port‑channel, ACLs, QoS, multicast, BGP, OSPF, EVPN, etc.) | Allows you to build realistic, end‑to‑end topologies for testing SD‑WAN, ACI, data‑center fabrics, or service‑provider scenarios without buying expensive chassis. | | Scalable virtual resources (up to 8 vCPUs, 16 GB RAM, 100 GB virtual disks) | You can allocate exactly the resources you need for a given lab, and the image will gracefully handle scaling up/down while preserving the same software behavior. | | Snapshot‑ready | Because it’s a QCOW2 image, you can take a snapshot before a major change (e.g., a new BGP policy) and instantly roll back if something goes wrong—ideal for training or CI/CD pipelines. | | Extensive telemetry (counters, sFlow, NetFlow v9, In‑band telemetry) | Enables you to collect real‑time metrics for monitoring tools (Grafana, Prometheus) and practice analytics on a real NX‑OS stack. | | License‑free for lab use (Cisco DevNet “sandbox” and evaluation licenses) | No need to purchase a perpetual license for learning or proof‑of‑concept; you can download the image from Cisco DevNet and run it freely in a non‑production environment. | Deployment Steps While newer versions (9