Figure 4.87 - RMON > RMON History Control Configuration
The History Control Configuration contains the following fields:
Index (1 - 65535): Enter the history control entry number.
Port: Enter the port from which the RMON information was taken.
Buckets Requested (1 ~ 50): Enter the number of buckets that the device saves.
Interval (1 ~ 3600secs): Enter in seconds the time period that samplings are taken from the ports. The field
range is 1-3600. The default is 1800 seconds (equal to 30 minutes).
Owner: Enter the RMON station or user that requested the RMON information.
Click Apply for the settings to take effect.
RMON > RMON Alarm Configuration
The RMON Alarm Configuration page allows you to configure the network alarms. Network alarms occur
when a network problem, or event, is detected.
Figure 4.88 - RMON > RMON Alarm Settings
The configuration contains the following fields:
Index (1 - 65535): Enter a specific alarm.
Variable: Enter the selected MIB variable value.
Rising Threshold (0 ~ 2^31-1): Enter the rising counter value that triggers the rising threshold alarm.
Rising Event Index (1 ~ 65535): Enter the event that triggers the specific alarm. The possible field values
are user defined RMON events.
Owner: Enter the device or user that defined the alarm.
Interval (1 ~ 2^31-1): Enter the alarm interval time in seconds.
Sample type: Defines the sampling method for the selected variable and comparing the value against the
thresholds. The possible field values are:
Delta value – Subtracts the last sampled value from the current value. The difference in the values
is compared to the threshold.
Absolute value – Compares the values directly with the thresholds at the end of the sampling
interval.
Falling Threshold (0 ~ 2^31-1): Enter the falling counter value that triggers the falling threshold alarm.
Falling Event Index (1 ~ 65535): Enter the event that triggers the specific alarm. The possible field values
are user defined RMON events.
Click Apply for the settings to take effect.
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