Setting a customized event trigge for a device


Event trigger is defined when a specific activity raises the alarm signal. Let’s use the below scenario to elaborate the set-up.


To monitor the CPU utilization of a DGS-3120-24TC device using the following alert rule:  

  •   Info Event:            50% ≦ CPU utilization < 60%
  •   Warning Event:     60% ≦ CPU utilization < 70%
  •   Critical Event:       70% ≦ CPU utilization


Step 1: Select sensor type to create a new sensor

  • Go to System > Sensor Settings
  • Choose CPU Utilization from the pre-defined sensor at the left
  • Then click on New Sensor on the right
  • At this point, a sensor creation wizard will pop up


Step 2: Set sensor information

  • Provide sensor name and other info for this new sensor then click on Next


Step 3: Set alert rule

We will explain one event in details.

For Info Event:

  • �Enable the alert event by selecting ON
  • Set the trigger point with ≧ 50%
  • Set the trigger repeat time to 1 time
  • Select ON to enable Escalation: event will escalate to the next level (i.e. Warning in this example) if the escalation rule is met
  • Set escalation rule at times: when 3 times of Info Event took place, the alert will escalate to Warning Event

Same method as above for the Warning Event and Critical Event.


Step 4: Apply the sensor to the device you wish

  • Check the box for DGS-312-24TC to select it

Sensor setting steps are done.  Now let's review the settings.


Review Settings

We can review the newly created sensor to see if it is working fine.

  • Go to System > Sensor Settings > CPU Utilization
  • The new alert event we just created is now listed at No. 3.  We can see that “C”- Critical, “W”- Warning, and “I” - Info alert events are set


You can also review the alert event status of this device.

  • Go to Monitor > Device View and find DGS-3120-24TC

  • �To see more details of the Critical Event of this device, mouse-over the red-box

You can see the event took place at 2014-05-27 18:05 when the CPU utilization is more than 70% for the DGS-3120-24TC.

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