Vqfx202r110reqemuqcow2 Top Updated -

Without the VFP, your RE will boot, but your interfaces will never come "up" or pass traffic. Quick Specs for Version 20.2R1.10

For the vQFX202-r1.1.0 image, Juniper typically provides either a qcow2 or a vmdk (VMware) version. The qcow2 variant is preferred in open-source KVM environments because it integrates seamlessly with libvirt , virt-manager , and virsh . vqfx202r110reqemuqcow2 top

If you see %st suddenly appear, it means your host CPU is saturated – scale down or dedicate cores. Without the VFP, your RE will boot, but

The .qcow2 format is natively supported by QEMU , making it ideal for simulation platforms like GNS3 , EVE-NG , and Cisco Modeling Labs (CML) . Core Requirements Setting Up Juniper vQFX Switch in GNS3 If you see %st suddenly appear, it means

After booting, the RE may take several minutes to detect the PFE. Use show interfaces terse to confirm interfaces appear. Proper Shutdown: Always use request system power-off before closing the simulation to prevent disk corruption. L2/L3 Traffic Issues: If traffic does not pass, ensure the NIC type is set to virtio-net-pci on the RE and on the PFE. standard login credentials for this version?

This filename suggests a custom or community-built image. Official vQFX images require a Juniper support contract. Always verify licenses and usage rights before downloading.

Assuming you have the image at /var/lib/libvirt/images/vqfx202-r1.1.0.qcow2 :