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Home > Success Center > Network Performance Monitor (NPM) > NPM 12.1 Administrator Guide > Thresholds for NPM > General threshold types for NPM

General threshold types for NPM

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Created by Caroline Juszczak, last modified by Magdalena.Markova on Dec 08, 2016

Views: 4 Votes: 1 Revisions: 5

Avg CPU Load

Monitored network devices experiencing CPU loads higher than the value set for the Critical Level display in High CPU Load reports and resources. Gauges for these devices also display as bold red.

Monitored network devices experiencing a CPU load higher than the value set for the Warning Level, but lower than the value set for the Critical Level, display as red in High CPU Load reports and resources. Gauges for these devices also display as red.

You can choose to calculate exhaustion using average daily values or peak daily values.

Disk Usage

Monitored network devices experiencing a disk usage higher than the value set for the Critical Level display as bold red in High Disk Usage reports and resources.

Monitored network devices experiencing a disk usage higher than the value set for the Warning Level, but lower than the value set for the Critical Level, display as red in High Disk Usage reports and resources.

You can choose to calculate exhaustion using average daily values or peak daily values.

Percent Memory Used

Monitored network devices experiencing a percent memory usage higher than the value set for the Critical Level display in High Percent Utilization reports and resources. Gauges for these devices also display as bold red.

Monitored network devices experiencing a percent memory usage higher than the value set for the Warning Level, but lower than the value set for the Critical Level, display in High Percent Utilization reports and resources. Gauges for these devices also display as red.

You can choose to calculate exhaustion using average daily values or peak daily values.

Percent Packet Loss

Monitored network devices experiencing a percent packet loss higher than the value set for the Critical Level display in High Percent Loss reports and resources. Gauges for these devices also display as bold red.

Monitored network devices experiencing a percent packet loss higher than the value set for the Warning Level, but lower than the value set for the Critical Level, display in High Percent Loss reports and resources. Gauges for these devices also display as red.

Orion Platform products calculate percent packet loss using ICMP ping requests made on the Default Poll Interval. The poller sends a ping to monitored devices and records the results of the ten most recent ping attempts. Percent packet loss is expressed as the number of failed ping requests, X, divided by the number of ping requests, 10.

For example, if, at a given point in time, the last ten ping requests made of a selected device resulted in 2 failures and 8 successes, the percent packet loss for the selected device at the given time is reported as 2/10, or 20%.

Response Time

Monitored devices experiencing response times longer than the value set for the Critical Level display in High Response Time reports and resources. Gauges for these devices also display as bold red.

Devices experiencing response times longer than the value set for the Warning Level, but shorter than the value set for the Critical Level, also display in High Response Time reports and resources. Gauges for these devices also display as red.

Orion Platform products calculate response time using ICMP ping requests made on the Default Node Poll Interval. The poller sends a ping to monitored devices and records the results of the ten most recent ping attempts. Average Response Time is expressed as the average response time of these last 10 ping requests. If the poller does not receive a ping response within the Default Poll Interval, it will attempt to ping the non-responsive device once every 10 seconds for the period designated as the Warning Interval.

 
Last modified
02:50, 8 Dec 2016

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