mkdir /opt/unetlab/addons/qemu/vqfx-20.2r1.10
When you boot this QCOW2 file, you get the Routing Engine . In a real QFX, the RE sends instructions to the PFE (Packet Forwarding Engine) via an internal link (typically em1 or fxp0 ). Vqfx-20.2r1.10-re-qemu.qcow2
Before downloading a 2GB QCOW2 file, you must understand what you are getting. The filename follows Juniper’s strict versioning and platform naming conventions. Let’s break it down piece by piece. mkdir /opt/unetlab/addons/qemu/vqfx-20
In GNS3, navigate to Preferences > QEMU VMs and click New . : This detailed guide provides specific QEMU settings
: This detailed guide provides specific QEMU settings for the vqfx-20.2R1.10-re-qemu.qcow2 image. It covers assigning 1024 MB RAM, configuring two vCPUs, and changing the NIC type to virtio-net-pci to ensure the Packet Forwarding Engine (PFE) is recognized.
The file is the Routing Engine (RE) disk image for the Juniper vQFX10000 virtual switch, specifically version 20.2R1.10.