Boot the converted image in QEMU:
| Issue | Symptom | Fix | |-------|---------|-----| | Kernel panic on boot | “VFS: Unable to mount root fs” | Ensure QEMU version ≥ 2.5; use -machine pc,accel=kvm | | Login prompt never appears | Stuck at “Booting NX-OS” | Increase RAM to 8G+ and CPU cores to 2 | | Interface not showing up | No eth1 in show ip interface brief | In EVE-NG, set to -device e1000 (not virtio-net) | | Version mismatch | show version shows 7.0(3)I2(1) instead of I7(4) | You downloaded the wrong image — rename cannot change version | nxosv9k703i74qcow2
| Fragment | Probable Meaning | Official Equivalent | |----------|------------------|----------------------| | | Nexus 9000v (virtual switch for KVM/QEMU) | nexus9000v or nxosv | | 703 | NX-OS version 7.0(3) – e.g., 7.0(3)I7(4) | 7.0.3.I7.4 | | i74 | Likely I7(4) — a specific maintenance release | I7.4 (part of 7.0.3 train) | | qcow2 | QEMU copy-on-write disk format | .qcow2 — standard for EVE-NG, Proxmox, KVM | Boot the converted image in QEMU: | Issue
The 7.0(3)I7 train is (EOL since 2020). For new learning, start with 10.3(x) – though resource requirements are higher (12GB RAM recommended). Part 7: How to Convert Other Formats to QCOW2 Sometimes you find an .iso or .vmdk of NX-OSv. Here’s the safe way to create a real nxosv9k703i74qcow2 : Here’s the safe way to create a real
The truth: As of this writing, Cisco has never released an NX-OSv image with that exact string. However, by breaking down each component, we can reverse-engineer what the searcher actually needs, and how to obtain the correct, legal equivalent. Part 1: Deconstructing nxosv9k703i74qcow2 Let’s dissect the keyword piece by piece:
# Convert VMDK to QCOW2 qemu-img convert -f vmdk nxosv-disk1.vmdk -O qcow2 nxosv9k703i74qcow2 qemu-img convert -f raw nxosv.raw -O qcow2 nxosv9k703i74qcow2