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FAILURE MODES

What happens when the sensor has a problem

Mirroring / TAP

Nothing for the process: the sensor receives a copy. On power loss, reboot or hardware failure you only lose visibility, reported by the loss-of-visibility alert.

Inline, listen only

The bridge has no IP address and cannot speak IP into the process network; forwarded traffic never touches the packet filters; no blocking rules on the data path, verified at every boot. On a software hang the sensor reboots itself (kernel.panic=10) and the bridge returns in about 2 minutes. On power loss or hardware failure the link is interrupted: this is why inline is used only in evaluations, with the client's written consent, or with a hardware-bypass network card.

Management

Out of band only: own 4G modem and a dedicated encrypted tunnel to a server dedicated to the client. No open port in the client's network, no dependency on it.

Data

Raw data stays on the sensor and on the dedicated server; at the end of the evaluation it is deleted with an evidence log within 5 working days of delivering the report.

Values measured at the inline test of 5 November 2026 (our office)

Ports1000/full, 0 errors
Packets dropped by the detection engine0
Frames emitted by the sensor into the monitored network0 in 120 s
Recovery after a full reboot4 min 53 s, modem included
Bridge recovery after a software hangabout 2 minutes

Latency added by the inline bridge and switch-over time on a production network will be published after the first client installation; we do not show estimated values.