IronPort Systems ES-1528 - Manual (Page 126)

Chapter 19 RMON-Lite
ES-1528 User’s Guide
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19.5 RMON Alarm: Overview
Use the RMON Alarm: Overview screen to view configured alarms that occur when the
sampled data exceeds the specified threshold. To open this screen select [3] Alarm in the
RMON MIB Table: drop down list box in the RMON-Lite screen.
Figure 78 RMON Alarm: Overview.
The following table describes the labels in this screen.
Jabbers This field displays the number of frames dropped in this polling sample because they
were longer than 1518 octets and contained an invalid FCS, including alignment
errors.
Collisions This field displays the total number of collisions that occurred in this polling sample.
Utilization (%) This field displays the utilization as a percentage of maximum utilization allowed on
the port in this polling sample.
History
Statistics
Overview
Click this to go back to the RMON History Statistics: Overview screen.
Table 58 RMON History Statistics: Control (continued)
LABEL DESCRIPTION
Table 59 RMON Alarm: Overview
LABEL DESCRIPTION
RMON MIB
Table:
Use this drop down list box to select the MIB table you want to view. Click Apply to
refresh the screen to the selected MIB table view.
Refresh Click this to update all the fields in the RMON Alarm: Overview screen.
Create new
Alarm
Click this to view the RMON Alarm: Create New Alarm screen where you can
configure the parameters for an alarm.
Index This field displays the alarm configuration index number. Click this number to edit the
alarm entry.
Interval (sec) This field displays the time interval (in seconds) between data samplings.
Variable This field displays the name of the MIB field whose data is to be sampled.
Sample Type This field displays the method of obtaining the sample value (absoluteValue or
deltaValue).
Value This field displays the value of the statistic during the last sampling period. This value
is for comparing against the RisingThreshold and FallingThreshold values.
Startup Alarm This field displays the alarm type (1:rising, 2:falling, or 3:risingOrFallingAlarm)
that can be sent when this alarm is first activated.