D-Link DES-3010FA Product Manual - Page 244
Defining RMON Alarms, Viewing Statistics, RMON Alarm
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Viewing Statistics Managing RMON Statistics Defining RMON Alarms The RMON Alarm Page 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 Advanced Setup > RMON > Alarm. The RMON Alarm Page opens. Figure 156:RMON Alarm Page The RMON Alarm Page contains the following fields: • Alarm Entry - Indicates a specific alarm. • Counter Name - Displays the selected MIB variable. • Interface - Displays interface for which RMON statistics are displayed. The possible field values are: - Port - Displays the RMON statistics for the selected port. - LAG - Displays the RMON statistics for the selected LAG. • Counter Value - Displays the selected MIB variable value. • Sample Type - Defines the sampling method for the selected variable and comparing the value against the thresholds. The possible field values are: - Delta - Subtracts the last sampled value from the current value. The difference in the values is compared to the threshold. - Absolute - Compares the values directly with the thresholds at the end of the sampling interval. • Rising Threshold - Displays 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 - Displays the mechanism in which the alarms are reported. The possible field values are: - LOG - Indicates there is not a saving mechanism for either the device or in the management system. If the device is not reset, the entry remains in the Log Table. - TRAP - Indicates that an SNMP trap is generated, and sent via the Trap mechanism. The Trap can also be saved using the Trap mechanism. - Both- Indicates that both the Log and Trap mechanism are used to report alarms. • Falling Threshold - Displays the falling counter value that triggers the falling threshold alarm. The falling threshold is graphically presented on top of the graph bars. Each monitored variable is designated a color. • Falling Event - Displays the mechanism in which the alarms are reported. Page 243