As Juniper pushes Junos Evolved (a containerized, Linux-native version), the traditional vQFX may become obsolete. However, the 20.2R1.10 release remains a gold standard for three reasons:
First, place your vqfx202r110reqemuqcow2 exclusive image into /var/lib/libvirt/images/ : vqfx202r110reqemuqcow2 exclusive
The (QEMU Copy‑On‑Write version 2) format is QEMU’s most advanced disk image format. Its key features are: for complex topologies
Handles the control plane, running Junos OS. The file vqfx202r110reqemuqcow2 acts as the primary hard disk for this VM. vqfx202r110reqemuqcow2 exclusive
: While 1GB is minimum, for complex topologies, allocating more RAM to the QEMU machine can prevent unexpected reboots. Conclusion
Prevents CPU stealing from other virtual machines.
You can use virt-install to create a VM from the qcow2 image: