A network architect is observing abnormally high CPU utilization on the Routing Engine (RE) of a core router, which is impacting management access and routing protocol stability. However, reports from network users indicate that data forwarding performance for transit traffic remains unaffected. Which category of traffic is the most likely cause of the high RE CPU, and what is the most appropriate initial command to investigate the issue? ```mermaid graph TD subgraph Router RE[Routing Engine - Control Plane] PFE[Packet Forwarding Engine - Forwarding Plane] end Internet -- Transit Traffic --> PFE PFE -- Forwarded --> LAN Internet -- Exception Traffic --> PFE PFE -- Punt --> RE subgraph Management Admin[Admin PC] end Admin -- Management Traffic --> RE RE -- Routing Updates --> PFE ```
