The keyword vqfx202r110reqemuqcow2 refers to a specific virtual disk image file for the Juniper Networks vQFX virtual switch. Specifically, it represents the Routing Engine (RE) component of the vQFX, running Junos OS version 20.2R1.10 in a QEMU-compatible QCOW2 format. Understanding vQFX Architecture
The Feature
Automated Underlay Discovery + EVPN Type-5 Route Leaking
Using the vqfx202r110reqemuqcow2 image inside libvirt + Open vSwitch (OVS) or Containerlab, you can now:
Why these settings?
🛠️ Step 1 – Inspect the QCOW2 Image
qemu-img info vqfx202r110reqemuqcow2
# Check size, backing file, format