Vqfx-20.2r1.10-re-qemu.qcow2 Portable May 2026

Vqfx-20.2r1.10-re-qemu.qcow2

Junos vQFX10000 is a virtualized version of the physical QFX10000 switch, designed for network simulation, lab testing, and automation development. The specific image file represents the Routing Engine (RE) portion of this virtual switch for version 20.2R1.10, formatted for QEMU-based hypervisors. Understanding the vQFX Architecture

Assuming you want to add a feature like: Vqfx-20.2r1.10-re-qemu.qcow2

Your actual switch traffic (xe-0/0/x) is processed by the PFE, but configured via the RE. Cisco Learning Network 3. Common Setup Troubleshooting Guide: Importing Juniper vMX and vQFX into CML2.4 Vqfx-20

qemu-system-x86_64 \ -name vqfx-re \ -m 4096 \ -smp 2 \ -drive file=Vqfx-20.2r1.10-re-qemu.qcow2,if=ide,index=0 \ -netdev user,id=mgmt,net=192.168.76.0/24,dhcpstart=192.168.76.10 \ -device e1000,netdev=mgmt \ -nographic \ -serial telnet:127.0.0.1:5001,server,nowait Cisco Learning Network 3

interface to establish the internal control link between the two VMs. Switch Ports:

. It handles the control plane functions, while a separate Packet Forwarding Engine (PFE) image handles the data plane. Cisco Learning Network Key Specifications Junos OS 20.2R1.10. File Size: Approximately 675 MB. MD5 Checksum: 20220bfa3d387184fce957936eeeb4ec Recommended RAM: Recommended CPUs: 1 or 2 vCPUs. Disk Interface: IDE or Virtio. Configuration & Setup