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Configuration Commands
180
RMON alarm configuration
The Alarm RMON group can track rising or falling values for a MIB object. The MIB object must be a
counter, gauge, integer, or time interval. Each alarm index must correspond to an event index that
triggers once the alarm threshold is crossed.
The following table describes the RMON Alarm commands.
Table 169 RMON Alarm commands
Command Description
rmon alarm <1-65535> alarm
oid <1-127 characters>
Configures an alarm MIB Object Identifier.
The alarm OID can have a maximum of 127 characters.
Command mode: Global configuration
rmon alarm <1-65535> interval
<1-65535>
Configures the time interval over which data is sampled and compared
with the rising and falling thresholds.
The range is from 1 to 65535 seconds. The default is 1800 seconds.
Command mode: Global configuration
rmon alarm <1-65535>
sample {abs|delta}
Configures the method of sampling the selected variable and calculating
the value to be compared against the thresholds, as follows:
• abs—absolute value, the value of the selected variable is compared
directly with the thresholds at the end of the sampling interval.
• delta—delta value, the value of the selected variable at the last
sample is subtracted from the current value, and the difference
compared with the thresholds.
Command mode: Global configuration
rmon alarm <1-65535> alarm-
type {rising|falling|either}
Configures the alarm type as rising, falling, or either (rising or falling).
Command mode: Global configuration
rmon alarm <1-65535> rising-
limit <-2147483647 to
2147483647>
Configures the rising threshold for the sampled statistic. When the current
sampled value is greater than or equal to this threshold, and the value at
the last sampling interval was less than this threshold, a single event is
generated.
Command mode: Global configuration
rmon alarm <1-65535> falling-
limit <-2147483647 to
2147483647>
Configures the falling threshold for the sampled statistic. When the
current sampled value is less than or equal to this threshold, and the
value at the last sampling interval was greater than this threshold, a
single event is generated.
Command mode: Global configuration
rmon alarm <1-65535> rising-
crossing-index <0-65535>
Configures the rising alarm event index that is triggered when a rising
threshold is crossed.
The range is from 0 to 65535. The default value is 0.
Command mode: Global configuration
rmon alarm <1-65535> falling-
crossing-index <0-65535>
Configures the falling alarm event index that is triggered when a falling
threshold is crossed.
The range is from 0 to 65535. The default value is 0.
Command mode: Global configuration