Vqfx202r110reqemuqcow2 Work -

<memoryBacking> <hugepages/> </memoryBacking> Cause : Wrong bus type. vQFX expects virtio-blk , not sata . Fix : Ensure <target dev='vda' bus='virtio'/> . 4. “vqfx202r110reqemuqcow2 work” – Specific Error: Missing vqfx-sys-kernel-junos Cause : Incomplete image build (user overlay missing). Fix : Re-extract from official .tgz distribution:

cli configure set interfaces vme unit 0 family inet address 192.168.1.10/24 set routing-options static route 0.0.0.0/0 next-hop 192.168.1.1 commit The vQFX splits control (RE) and forwarding (PFE). Check: vqfx202r110reqemuqcow2 work

<domain type='kvm'> <name>vqfx20-re</name> <memory unit='GiB'>8</memory> <vcpu>4</vcpu> <os> <type arch='x86_64' machine='pc-q35-6.2'>hvm</type> <boot dev='hd'/> </os> <features> <acpi/> <apic/> <vmport state='off'/> </features> <cpu mode='host-passthrough' check='none'> <topology sockets='1' cores='4' threads='1'/> </cpu> <devices> <disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='none' io='native'/> <source file='/var/lib/libvirt/images/vqfx202r110reqemuqcow2'/> <target dev='vda' bus='virtio'/> </disk> <interface type='bridge'> <source bridge='br0'/> <model type='virtio'/> <driver name='vhost' queues='4'/> </interface> <serial type='pty'> <target port='0'/> </serial> <console type='pty'> <target type='serial' port='0'/> </console> </devices> </domain> Start the VM: Fix : Enable 1G hugepages:

qemu-img info vqfx202r110reqemuqcow2 Expected output should show file format: qcow2 , virtual size > 10G. If it says raw or corrupt, the file is not valid. If you need a VMDK for ESXi, convert: qemu64 instead of host-passthrough ).

show chassis fpc show version If PFE shows Online , your image works. If Offline or Testing — the qcow2 lacks proper kernel modules for your hypervisor’s virtual NIC. 1. Kernel Panic on Boot Cause : CPU model mismatch (e.g., qemu64 instead of host-passthrough ). Fix : Edit VM XML to use <cpu mode='host-passthrough'/> . 2. PFE Won’t Come Online Cause : Missing VFIO or hugepages. Fix : Enable 1G hugepages: