Prompt
"Generate an image of a complex network diagram illustrating Multiprotocol Label Switching (MPLS) in action, with various Label Switched Paths (LSPs) and network devices such as Label Edge Routers (LERs) and Label Switch Routers (LSRs), set against a backdrop of a large-scale service provider network or enterprise network infrastructure, incorporating visual elements that represent QoS, traffic engineering, and VPNs."
