Nortel Networks 4050 manual Existence monitors, Existence monitor fields Sheet 1

654Chapter 12 Configuring SNMP

Existence monitors

Existence monitors check the condition of a monitored OID to see determine if it is present, missing, or changed. Events are triggered if the result matches the desired condition.

Figure 191 Add a Monitor: Existence

Fields used to add and configure an Existence monitor are listed in Table 140.

Table 140 Existence monitor fields (Sheet 1 of 2)

Field	Description
Name	Specifies the name of this monitor.
Monitor OID	Specifies the OID value being monitored.
Condition	Specifies the OID condition that will trigger an event. Must
	be one of the following conditions:
	•	present
	•	missing
	•	changed
Trigger Event	Specifies the event that is triggered if the condition matchs
	for the specified OID.
Comment	Specifies a comment for this monitor.
Frequency	Specifies the sampling interval, in seconds. The default
	value is 600.
Additional OIDs in Event	Specifies any additional OIDs for this monitor to trigger.

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