Element variable reports can be used to show what metrics are being collected and what calculations are being performed on them.
When you run an element variable report on a device at the parent level, some variables are shown as “isAggregated()”
What calculation is being used behind the scenes for these variables?
eHealth 6.3.x
The isAggregated() function tells eHealth to combine the value for all instances of this element.
for example, add the pct errors in for all interfaces on this device.
At the parent level, the element variable report shows isAggregated() for
Pct errors in
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To determine the actual formula in use drill down to the interface level and run an element variable report.
Here we see the same metric and it shows the calculations used by the isAggregated function.
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The actual formula will be different from device to device and metric to metric.
See the eHealth custom variables guide