NETGEAR GS724AT - ProSafe Gigabit Smart Switch Software Administration Manual page 191

GS700AT Series Smart Switch Software Administration Manual
2. To refresh the RMON Events Log screen, click Refresh.
Alarms
The RMON Alarms screen contains fields for setting network alarms. Network alarms occur when
a network problem or event, is detected. Rising and falling thresholds generate events.
To set RMON alarms:
1. Click Monitoring > RMON > Advanced > Alarms. The RMON Alarms screen displays:
Figure 7-12
The RMON Alarms screen contains the following fields:
• Alarm Entry – Displays the alarm entry.
• Counter Name – Select the MIB variable.
• Interface – Enter the port or LAG interface.
• Counter Value – Displays the selected MIB variable value.
• Sample Type – Select the sampling method for the selected variable and comparing the
value against the thresholds. The possible field values are:
– Absolute – Compares the values directly with the thresholds at the end of the sampling
interval.
– Delta – Subtracts the last sampled value from the current value. The difference in the
values is compared to the threshold.
• Rising Threshold – Enter the rising counter value that triggers the rising threshold alarm.
The rising threshold is presented on top of the graph bars. Each monitored variable is
designated a color.
• Rising Event – Enter the event number by which rising alarms are reported.
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v1.0, March 2008
Monitoring the Switch