D-Link DGS-1500-52 User Manual - Page 81

SNMP > RMON > RMON History

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5 Configuration D-Link Web Smart Switch User Manual SNMP > RMON > RMON History The RMON History Control Configuration page contains information about samples of data taken from ports. For example, the samples may include interface definitions or polling periods. Figure 5.105 - SNMP > RMON > RMON History The History Control Configuration contains the following fields: Index (1 - 65535): Indicates the history control entry number. Port: Specifies the port from which the RMON information was taken. Buckets Requested (1 ~ 50): Specifies the number of buckets that the device saves. Interval (1 ~ 3600): Indicates 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: Displays the RMON station or user that requested the RMON information. Click Add to make the configurations take effects. SNMP > RMON > RMON Alarm The RMON Alarm Configuration page allows the user to configure the network alarms. Network alarms occur when a network problem, or event, is detected. Figure 5.106 - SNMP > RMON > RMON Alarm The configuration contains the following fields: Index (1 - 65535): Indicates a specific alarm. Variable: Specify the selected MIB variable value. Rising Threshold (0 ~ 2^31-1): Displays the rising counter value that triggers the rising threshold alarm. Rising Event Index (1 ~ 65535): Displays the event that triggers the specific alarm. The possible field values are user defined RMON events. Owner: Displays the device or user that defined the alarm. Interval (1 ~ 2^31-1): Defines 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): Displays the falling counter value that triggers the falling threshold alarm. 75

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5
Configuration
D-Link Web Smart Switch User Manual
75
SNMP > RMON > RMON History
The RMON History Control Configuration page contains information about samples of data taken from ports.
For example, the samples may include interface definitions or polling periods.
Figure 5.105 – SNMP > RMON > RMON History
The History Control Configuration contains the following fields:
Index (1 - 65535):
Indicates the history control entry number.
Port:
Specifies the port from which the RMON information was taken.
Buckets Requested (1 ~ 50):
Specifies the number of buckets that the device saves.
Interval (1 ~ 3600):
Indicates 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:
Displays the RMON station or user that requested the RMON information.
Click
Add
to make the configurations take effects.
SNMP > RMON > RMON Alarm
The RMON Alarm Configuration page allows the user to configure the network alarms. Network alarms occur
when a network problem, or event, is detected.
Figure 5.106 – SNMP > RMON > RMON Alarm
The configuration contains the following fields:
Index (1 - 65535):
Indicates a specific alarm.
Variable:
Specify the selected MIB variable value.
Rising Threshold (0 ~ 2^31-1):
Displays the rising counter value that triggers the rising threshold alarm.
Rising Event Index (1 ~ 65535):
Displays the event that triggers the specific alarm. The possible field values are
user defined RMON events.
Owner:
Displays the device or user that defined the alarm.
Interval (1 ~ 2^31-1):
Defines 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):
Displays the falling counter value that triggers the falling threshold alarm.