Top 8 Network Packet Capture
ExtraHop Reveal(x) for IT OperationsEndaceProbe Analytics PlatformNapatech PandionSilicom Capture CardsCSPi Myricom nVoy Series Packet RecorderCisco Security Packet Analyzer
Not only can you look at the protocol import level. It also has a live PCAP analysis.
The most valuable features are security detections, perimeter detection, dashboards, and alerts.