: It splits into a Routing Engine (RE) and a Packet Forwarding Engine (PFE) to mirror real-world hardware. Essential Setup Guide

Or migrate other VMs to different physical cores.

This is a snapshot, not real-time. For real-time, shell is required.

When you deploy this image, it creates the "virtual ASIC." The vQFX-RE connects to the vQFX-PFE via an internal virtual link (often inside the VM configuration or a specific internal bridge). Once connected, the RE pushes the forwarding table down to the PFE, allowing the switch to route traffic between interfaces.

The RE image handles the management and control plane protocols, while the PFE handles the data plane.

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