qemu-system-x86_64 -machine pc -accel kvm -m 8192 -smp 2 \ -drive file=nxosv9k703i74qcow2,if=ide,index=0,media=disk \ -net nic,model=e1000 -net user If the conversion was successful, you’ll see the NX-OS loader. Does nxosv9k703i74qcow2 exist as an official Cisco file? No — it is an informal, likely mistaken, or intentionally simplified filename used by networking enthusiasts.
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: nxosv9k703i74qcow2
| 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 | qemu-system-x86_64 -machine pc -accel kvm -m 8192 -smp
Only if you obtained it from a legitimate source (Cisco/CML) and renamed it yourself. Otherwise, download the correctly named image from Cisco’s portal. The truth: As of this writing, Cisco has
# 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
Boot the converted image in QEMU:
