Vqfx-20-2r1-10-re-qemu-qcow2 is a virtual image file used for emulating Juniper Networks' vQFX 20K platform. The vQFX 20K is a virtualized version of the Juniper QFX Series switches, which are designed to provide high-density, low-latency switching and routing for data center and campus networks.
As noted, 20.2R1 might show as 19.4R1 upon booting.
Update for 2025: Juniper has transitioned to "vJunos-switch" (formerly vQFX). The 20.2R1.10 image has been moved to the "Legacy Archive" section. You may need to request archive access via a support ticket. Vqfx-20-2r1-10-re-qemu-qcow2 Download -2021-
Juniper often hosts "vQFX" images for public trial on their GitHub repositories .
There are several reasons why you might want to download Vqfx-20-2r1-10-re-qemu-qcow2: Update for 2025: Juniper has transitioned to "vJunos-switch"
The safest and most reliable way to get this image is through the Juniper Networks Support Portal .
Disclaimer: This article is for educational purposes. Ensure you have the legal right to download and use Juniper software under your Juniper license agreement. Juniper often hosts "vQFX" images for public trial
Even if you find this image archived, be aware of the following:
In the product selector, search for or "Virtual QFX Series" .
: Runs Junos OS (e.g., the vqfx-20-2r1-10-re file).
The VM hangs at the U-Boot loader. Solution: You forgot to attach the PFE image. The RE requires a virtual PFE present on the same virtual PCI bus. In EVE-NG, link the vQFX-RE node to a vQFX-PFE node via a "vnet".