name: my_vqfx_lab topology: nodes: vqfx-spine: kind: juniper_vqfx image: vrnetlab/vqfx:latest startup-config: spine.cfg links: - endpoints: ["vqfx-spine:eth1", "vqfx-leaf:eth1"]
Using the vQFX202R110-reqemuqcow2 image in a lab provides several distinct advantages:
Getting the vQFX image running requires setting up QEMU/KVM with the correct parameters, specifically tailored for the vQFX dual-image architecture. 1. Prerequisites A Linux machine with KVM/QEMU installed. Bridge networking tools (e.g., bridge-utils ). vqfx202r110reqemuqcow2 work
If the vQFX202R110-reqemuqcow2 is not working as expected, consider these common pitfalls:
Containerlab starts containers, builds virtual wiring, and manages the lifecycle of your entire lab. Bridge networking tools (e
The vQFX202R110-reqemuqcow2 is a QCOW2 (QEMU Copy On Write) virtual disk image, typically used with the QEMU emulator or KVM hypervisor. It simulates the control and forwarding plane of a Juniper QFX10000 series switch. : Stands for Virtual QFX.
name: vqfx-evpn-lab topology: nodes: spine: kind: juniper_vqfx image: vqfx202r110re-qemu.qcow2 startup-config: spine.cfg leaf1: kind: juniper_vqfx image: vqfx202r110re-qemu.qcow2 links: - endpoints: ["spine:ge-0/0/0", "leaf1:ge-0/0/0"] It simulates the control and forwarding plane of
In short, vqfx202r110reqemuqcow2 is a Juniper vQFX Routing Engine image designed for QEMU/KVM hypervisors, packaged in the disk image format.
However, getting the Routing Engine image file—specifically —to work correctly under QEMU and KVM environments is notoriously tricky. Because the vQFX uses a split-architecture design, setting up this file requires a precise understanding of its dependencies, virtual interfaces, and emulation properties.
Our engineer began by acquiring the sacred files from the Juniper Download Portal. They downloaded the Routing Engine image, , and its partner, the PFE image (often a .qcow file like vqfx-20.2R1-2019010209-pfe-qemu.qcow ). Chapter 2: The Transformation
for better I/O if you have many disks, though virtio-blk is sufficient for this image.