Move your vqfx202r110reqemuqcow2 file into that folder using an SFTP client and rename it to the default name EVE-NG expects for hard disks ( virtioa.qcow2 ).
The answer is . Newer vQFX images (22.x, 23.x) are heavy. They require 8GB+ RAM and often struggle with control-plane performance in nested virtualization (running a VM inside a VM). The vqfx202r110reqemuqcow2 exclusive build is considered the "Goldilocks" image:
Ensure you have spun up the companion PFE image and correctly linked them via a dedicated bridge or UDP tunnel. Extremely High Host CPU Usage Cause: Junos idle polling.
This image handles the control plane (management, routing protocols like BGP/OSPF). It must be paired with a Packet Forwarding Engine (PFE) image for functional data plane forwarding. Exclusive Features of vQFX 20.2 vqfx202r110reqemuqcow2 exclusive
By mastering the vQFX, you unlock the ability to build sophisticated, production-representative data center labs entirely in software. Whether your goal is to pass the JNCIE-DC, validate the next EVPN-VXLAN design, or hone your network automation skills, the vQFX is an exclusive and unparalleled platform for innovation.
Follow these steps to deploy the image with exclusive resource locking using CLI tools. 1. Prepare the Image
: Identifies the product line as the Virtual QFX switch, Juniper’s emulated data center switching platform. Move your vqfx202r110reqemuqcow2 file into that folder using
Keeps OSPF, BGP, and RSVP timers precise.
: The specific Junos OS software version (Version 20.2, Release 1, Build 10).
: Testing NAPALM, Ansible, or NETCONF/YANG scripts against a modern Junos OS. They require 8GB+ RAM and often struggle with
This is a separate VM (often running a different light software layer or packet forwarding engine like Cosmo/Cosim) that simulates the hardware ASIC. It handles the actual data plane traffic traveling between virtual ports.
: 2GB for the RE (the PFE component usually requires more, around 4GB-8GB).