Based on the naming convention vqfx202r110reqemuqcow2, you are referring to the Juniper vQFX (Virtual QFX) 20.2 R1.10 image running in a QEMU Qcow2 format.
Protocol Testing: Validating complex EVPN-VXLAN or BGP architectures. ⚠️ Key Considerations
- Fix: Ensure your KVM/QEMU version is compatible with the release notes for Junos 20.1R1.
Interconnectivity: The RE and PFE must be connected via the EM1 interface to communicate. Common Issues and Fixes
Below, we will cover why this matters, how to deploy the image, and how to interpret the top output to ensure peak performance.
vQFX: This stands for Virtual QFX. The QFX series is Juniper’s premier line of data center switches.
This article unpacks every component of that keyword, providing a holistic guide for engineers looking to deploy, optimize, and monitor a Juniper vQFX series virtual switch on a QEMU/KVM hypervisor using the QCOW2 disk format.
Understanding the Device
Control Plane Fidelity: Run the exact same Junos OS that powers physical QFX5100 and QFX10000 switches.