Observer Analyzer : Observer Analyzer : Troubleshooting common issues : Running Observer passively affects NetFlow
Running Observer passively affects NetFlow
When analyzing a link using a TAP, which is common, Observer runs “passively.” Passive operation guarantees that analysis will not affect the link; however, it does have some implications when running NetFlow. Because there is no link over which the system can transmit packets or frames, the following features are unavailable:
Traffic Generation
Collision Test
Replay Packet Capture