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30
TRENDnet User’s Guide
Multi-Gig Web Smart Switch Series
•
Event:
Select the type of event that will trigger the alarm
•
Description:
Provide a name for this rule
•
Owner:
This parameter is used to identify the person who created an entry. It is
primarily intended for switches that are managed by more than one person,
and is an optional field
4. In the list, you can click
Edit
to modify an entry or click
Delete
or delete the entry
.
Event Log Table
System > RMON > Event Log Table
Any RMON events that were triggered will be displayed here.
1. Log into your switch
management page (see “
Access your switch management page
on page 5).
2. Click on
System
, click on
RMON,
and click on
Event Log Table
.
3. Select the Event Index from the drop-down menu. Click the
Refresh
button if the page
needs to be refreshed.
Alarm List
System > RMON > Alarm List
RMON alarms are used to generate alert messages when packet activity on designated
ports rises above or falls below specified threshold values. The alert messages can take
the form of messages that are entered in the event log on the switch or traps that are
sent to your SNMP NMS software or both.
RMON alarms consist of two thresholds. There is a rising threshold and a falling
threshold. The alarm is triggered if the value of the monitored RMON statistic of the
designated port exceeds the rising threshold. The response of the switch is to enter a
message in the event log, send an SNMP trap, or both. The alarm is reset if the value of
the monitored statistic drops below the falling threshold.
The frequency with which the switch samples the thresholds of an alarm against the
actual RMON statistic is controlled by a time interval parameter. You can adjust this
interval for each alarm.
1. Log into your switch
management page (see “
Access your switch management page
on page 5).
2. Click on
System
, click on
RMON,
and click on
Alarm List
.
3. Review the settings.
•
Index:
This parameter specifies the ID number of the new group. The range is 1
to 65535.
•
Sample Interval:
This parameter specifies the time (in seconds) over which the
data is sampled. Its range is 1 to 2147483647 seconds.
•
Sample Variable:
This parameter specifies the RMON MIB object that the event
is monitoring.
•
Sample type:
This parameter defines the type of change that has to occur to
trigger the alarm on the monitored statistic. There are two choices from the
pull-down menu - Delta value and Absolute value. Delta value- setting
compares a threshold against the difference between the current and previous
values of the statistic. Absolute value- setting compares a threshold against the
current value of the statistic.
•
Owner:
This parameter is used to identify the person who created an entry. It is
primarily intended for switches that are managed by more than one person,
and is an optional field
•
Rising Threshold:
This parameter specifies a specific value or threshold level of
the monitored statistic. When the value of the monitored statistic becomes
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