SNMP (Active)

The Simple Network Management Protocol (SNMP) monitor gathers information about the functions of an SNMP-enabled network devices by querying it to verify it returns an expected value. Depending on the specific configuration, the monitor can be considered either Up or Down depending upon the returned value.

Tip: While SNMP Active monitors are used to determine Up state, SNMP Performance monitors in WhatsUp Gold are used to gather historic performance, accounting, fault, and security metrics data useful for reports.

Provide a unique name and description for the monitor, then configure the following:

ObjectID/Instance. Select the target device and required credentials, then select the specific SNMP object to monitor in the SNMP MIB Browser.
Check Type. Select one of the following check types:
- When Constant Value is selected:
  - Value. Depending on the Object ID you selected, enter the appropriate value.
  - If the value matches, then the monitor is: select Up or Down.
- When Range of Values is selected:
  - Low Value. Depending on the Object ID you selected, enter the appropriate value.
  - High Value. Depending on the Object ID you selected, enter the appropriate value.
- When Rate of Change in Value is selected:
  - Rate of Change (in variable units per second). Enter the desired value.
  - If the value is above the rate, then the monitor is: select Up or Down.

Click Advanced to set the SNMP timeout and number of retries as well as enable Use in Rescan if desired.