3Com 5500G-EI Command Reference Guide - Page 499

RMON Configuration Commands 499 [SW5500-GigabitEthernet1/0/1]undo rmon history 15 rmon prialarm Syntax rmon prialarm entry-number alarm-var [ alarm-des ] sampling-timer { delta | absolute | changeratio } rising-threshold threshold-value1 event-entry1 falling-threshold threshold-value2 event-entry2 entrytype { forever | cycle cycle-period } [ owner text ] undo rmon prialarm entry-number View System view Parameter entry-number: Specifies the entry number, ranging from 1 to 65535. alarm-var: Specifies the alarm variable, which can be an arithmetic expression of several integer MIB node instances. The node can be OID in dotted notation. alarm-des: Specifies the alarm description with a length ranging from 1-256; sampling-timer: Sets the sampling interval, ranging from 10 to 65535 and measured in seconds. delta | absolute | changeratio: Specifies the sampling type as delta ratio, absolute ratio or change ratio. threshold-value1: Rising threshold value, specified with a number greater than 0. event-entry1: Corresponding event number to the upper limit threshold value, ranging from 0 to 65535. threshold-value2: Falling threshold value, specified with a number greater than 0. event-entry2: Event number corresponding to the falling threshold, ranging from 0 to 65535. forever | cycle cycle-period: Specifies the type of the alarm instance line. cycle-period specifies the functional cycle of the instance. owner text: Specifies the creator of the line. Length of the character string ranges from 1 to 127. Description Use the rmon prialarm command to add an entry to the extended RMON alarm table. Use the undo rmon prialarm command to delete an entry from the extended RMON alarm table. The number of instances can be created in the table depends on the hardware resource of the product.