Threshold Crossing Alerts are preemptive, user-configurable alarms triggered when the specific thresholds are crossed.
They alarm on both rising and falling threshold crossing events (i.e., floor and ceiling levels). For both levels, one value raises the alarm, while another value clears it.
Times to Trigger – A value of 1 triggers an alarm on the first threshold crossing instance. The default sampling granularity (or rate or interval) is one minute.This table lists the metrics of each type of threshold crossing alert:
Appliance Level WAN-side transmit TOTAL for all interfaces LAN-side receive TOTAL for all interfaces Tunnel Level Second-sampled maximum latency during the minute 1/10th % 1/10th % 1/10th % 1/10th % Note Enabled by default, there is also an Appliance Capacity TCA that triggers when an appliance reaches 95% of its total flow capacity. It doesn’t automatically clear, but can be cleared by an operator. It is also not configurable.
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