The filename vqfx-20.2R1.10-re-qemu.qcow2 refers to the Routing Engine (RE) image for the Juniper
Realistic Benchmarking: Closely mimics physical hardware behavior. Environment Prerequisites vqfx202r110reqemuqcow2 exclusive
Physical QFX switches are expensive. The vQFX (especially the unique 20.2R1.10 build) replicates 95% of the CLI and control plane of the physical hardware. Candidate labs for JNCIP-DC (Data Center) rely on vQFX for EVPN/VXLAN troubleshooting. The filename vqfx-20