The Top Least Available Devices chart lets you quickly determine which devices have been down (powered off) during a selected time frame. By default, it shows the 10 devices with the greatest amount of downtime (the lowest availability).
Availability is a percentage of device uptime in a specific reporting period, such as 5 minutes. Uptime is defined as the amount of time the device is powered on and capable of processing data without considering whether it is reachable. A device that is up and capable of processing data can be unreachable because of a network or other communications failure by another device along its path.
The Top Least Available Devices chart displays the availability percentages for the devices with the lowest availability during the selected time period. The stacked bar chart format lets you compare availability rates.
The device name is shown first, followed by the IP address. The 10 devices in the selected reporting group with the highest unavailability percentage during the selected time period are included by default.
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