210
crossed. The value range for the event-entry1 argument is 0 to 65535. If 0 is specified, the alarm
does not trigger any event.
falling-threshold threshold-value2 event-entry2: Sets the falling threshold. The threshold-value2
argument represents the falling threshold in the range of –2147483648 to +2147483647. The
event-entry2 argument represents the index of the event that is triggered when the falling threshold
is crossed. The value range for the event-entry2 argument is 0 to 65535. If 0 is specified, the alarm
does not trigger any event.
owner text: Specifies the entry owner, a case-sensitive string of 1 to 127 characters.
Usage guidelines
You can create a maximum of 60 RMON alarm entries.
Each alarm entry must have a unique alarm variable, sampling interval, sample type, rising
threshold, or falling threshold. You cannot create an alarm entry if all these parameters for the entry
are the same as an existing entry.
To trigger the event associated with an alarm condition, you must create the event with the rmon
event command.
RMON samples the monitored alarm variable at the specified sampling interval, compares the
sampled value with the predefined thresholds, and does one of the following:
Triggers the event associated with the rising alarm if the sampled value is equal to or greater
than the rising threshold.
Triggers the event associated with the falling alarm if the sampled value is equal to or less than
the falling threshold.
Examples
# Create an alarm entry to perform absolute sampling on the number of octets received on
GigabitEthernet 1/0/1 (object instance 1.3.6.1.2.1.16.1.1.1.4.1) at 10-seconds intervals. If the
sampled value reaches or exceeds 5000, log the rising alarm event. If the sampled value is equal to
or less than 5, take no actions.
<Sysname> system-view
[Sysname] rmon event 1 log
[Sysname] rmon event 2 none
[Sysname] interface gigabitethernet 1/0/1
[Sysname-GigabitEthernet1/0/1] rmon statistics 1
[Sysname-GigabitEthernet1/0/1] quit
[Sysname] rmon alarm 1 1.3.6.1.2.1.16.1.1.1.4.1 10 absolute rising-threshold 5000 1
falling-threshold 5 2 owner user1
In this example, you can replace 1.3.6.1.2.1.16.1.1.1.4.1 with etherStatsOctets.1, where 1 is the
statistics entry index for the interface. If you execute the rmon statistics 5 command, you can use
etherStatsOctets.5 to replace 1.3.6.1.2.1.16.1.1.1.4.5.
Related commands
display rmon alarm
rmon event
rmon event
Use rmon event to create an RMON event entry.
Use undo rmon event to remove an RMON event entry.
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