KYLAND Technology SICOM3024P, Web Operation Manual

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Advanced Configuration
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device. The statistics includes the number of network collisions, CRC error packets,
undersized or oversized packets, broadcast and multicast packets, received bytes, and
received packets. After creating a statistics entry on a specified port successfully, the
statistics group counts the number of packets on the port and the statistics is a continuously
accumulated value.
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History group
History group requires the system to periodically sample all kinds of traffic on ports and
saves the sampling values in the history record table for further query by the management
device. The history group counts the statistics values of all kinds of data in the sampling
interval.

Event group
Event group is used to define event indexes and event handing methods. Events defined in
the event group is used in the configuration item of alarm group. An event is triggered when
the monitored device meets the alarm condition. Events are addressed in the following
ways:
Log: logs the event and related information in the event log table.
Trap: sends a Trap message to the NMS and inform the NMS of the event.
Log-Trap: logs the event and sends a Trap message to the NMS.
None: indicates no action.

Alarm group
RMON alarm management can monitor the specified alarm variables. After alarm entries are
defined, the system will acquire the values of monitored alarm variables in the defined period.
When the value of an alarm variable is larger than or equal to the upper limit, a rising alarm
event is triggered. When the value of an alarm variable is smaller than or equal to the lower
limit, a falling alarm event is triggered. Alarms will be handled according to the event
definition.
Caution:
If a sampled value of alarm variable exceeds the threshold multiple times in a same direction,
then the alarm event is only triggered only the first time. therefore the rising alarm and falling
alarm are generated alternately.