Nortel Networks 214393-A manual on page, an alarm

136Chapter 8 RMON

		If you want to make field changes, see the field descriptions shown in
		Table 50.
Table 50 RMON Insert Alarm dialog box fields
Field		Description
Variable		Name and type of alarm—indicated by the format:
		alarmname.x where x=0 indicates a chassis alarm.
		alarmname. where the user must specify the index. This will be a card number for
		module-related alarms, an STG ID for spanning tree group alarms (the default STG
		is 1, other STG IDs are user-configured), or the Ether Statistics Control Index for
		RMON Stats alarms
		alarmname with no dot or index is a port-related alarm and results in display of the
		port selection tool.
Sample Type		Can be either absolute or delta.
		For more information about sample types, refer to “Creating alarms” on page 133.
Sample Interval		Time period (in seconds) over which the data is sampled and compared with the rising
		and falling thresholds.
Index		Uniquely identifies an entry in the alarm table. Each such entry defines a diagnostic
		sample at a particular interval for an object on the device.
Threshold Type		Rising Value	Falling Value
Value		When the current sampled value is	When the current sampled value is less than
		greater than or equal to this threshold,	or equal to this threshold, and the value at
		and the value at the last sampling	the last sampling interval was greater than
		interval was less than this threshold,	this threshold, generates a single event.
		generates a single event.
Event Index		Index of the event entry that is used	Index of the event entry that is used when a
		when a rising threshold is crossed. The	falling threshold is crossed. The event entry
		event entry identified by a particular	identified by a particular value of this index
		value of this index is the same as	is the same as identified by the same value
		identified by the same value of the	of the event index object. (Generally, accept
		event index object. (Generally, accept	the default that is already filled in.)
		the default that is already filled in.)
	To view the RMON statistics and history for the port for which you have created
	an alarm:
	1 Select the port on which you have created an alarm.
	2 From the Device Manager main menu, choose RMON > Control.
		The RMONControl dialog box opens with the History tab displayed
		(Figure 60 on page 126).
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