Vqfx-20.2r1.10-re-qemu.qcow2

This is the disk image format. QEMU Copy-On-Write version 2 is an advanced format that supports:

Summary: This file is a Juniper virtual QFX switch running Junos OS 20.2R1.10, designed to run on a Linux KVM host using the QCOW2 disk format. Vqfx-20.2r1.10-re-qemu.qcow2

Converting and Managing Images:

qemu-img info Vqfx-20.2r1.10-re-qemu.qcow2

This command provides information about the image. This is the disk image format

Launching a VM:

qemu-system-x86_64 -boot d -cdrom Vqfx-20.2r1.10-re-qemu.qcow2

Replace -boot d and -cdrom options with appropriate values for your use case. The -cdrom option here is used as an example; you might not use it if you're booting from the hard disk image. Summary: This file is a Juniper virtual QFX

qemu-system-x86_64 -machine pc -cpu host -smp 2 -m 4096 \
  -drive file=Vqfx-20.2r1.10-re-qemu.qcow2,if=ide,index=0,media=disk \
  -serial telnet:127.0.0.1:5000,server,nowait -nographic