If PFE shows Online , your image works. If Offline or Testing — the qcow2 lacks proper kernel modules for your hypervisor’s virtual NIC.
If instead you meant (like a custom commit script, SLAX policy, or Python op script), let me know and I’ll provide a full SLAX/PyEZ example for that specific vqfx202r110 release. vqfx202r110reqemuqcow2 work
vqfx-feature/ ├── Dockerfile # Build virt-customize env ├── patch.xml # Juniper commit script ├── telemetry.py # Post-boot telemetry script └── apply_feature.sh # Wrapper to patch QCOW2 If PFE shows Online , your image works
: vQFX usually comes with a trial period. For lab use, "Evaluation" mode is standard, though some advanced features may require a license. QEMU Version QEMU 2.4.0 or higher for the best stability with Junos 20.x images. Inject a script into the vQFX VM via
Inject a script into the vQFX VM via qcow2 embedded ISO or virt-customize:
Crucially, set the network interface type to virtio-net-pci ; otherwise, the RE and PFE may fail to communicate. 2. Critical Interface Wiring You must connect the VMs precisely for them to "handshake":