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7.6.1.0 - Force10 Networks

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The following example configures an RMON alarm using the rmon alarm command:<br />

<strong>Force10</strong>(conf)#rmon alarm 10 1.3.6.1.2.1.2.2.1.20.1 20 delta rising-threshold 15 1 falling-threshold 0<br />

owner nms1<br />

Alarm Number MIB Variable Monitor Interval<br />

Counter Value Limit Triggered Event<br />

Figure 52 rmon alarm Command Example<br />

The above example configures RMON alarm number 10. The alarm monitors the MIB variable<br />

1.3.6.1.2.1.2.2.1.20.1 (ifEntry.ifOutErrors) once every 20 seconds until the alarm is disabled, and checks<br />

the rise or fall of the variable. The alarm is triggered when the 1.3.6.1.2.1.2.2.1.20.1 value shows a MIB<br />

counter increase of 15 or more (such as from 100000 to 100015). The alarm then triggers event number 1,<br />

which is configured with the RMON event command. Possible events include a log entry or a SNMP trap.<br />

If the 1.3.6.1.2.1.2.2.1.20.1 value changes to 0 (falling-threshold 0), the alarm is reset and can be triggered<br />

again.<br />

configuring an RMON event<br />

To add an event in the RMON event table, use the rmon event command in global configuration mode.<br />

To disable RMON on the interface, use the no form of this command:<br />

Command Syntax Command Mode Purpose<br />

[no] rmon event number [log]<br />

[trap community] [description<br />

string] [owner string]<br />

CONFIGURATION number: Assigned event number, which is identical to<br />

the eventIndex in the eventTable in the RMON MIB.<br />

The value must be an integer from 1 to 65,535, the<br />

value must be unique in the RMON Event Table.<br />

log: (Optional) Generates an RMON log entry when<br />

the event is triggered and sets the eventType in the<br />

RMON MIB to log or log-and-trap. Default is no log.<br />

trap community: (Optional) SNMP community string<br />

used for this trap. Configures the setting of the<br />

eventType in the RMON MIB for this row as either<br />

snmp-trap or log-and-trap. This value is identical to<br />

the eventCommunityValue in the eventTable in the<br />

RMON MIB. Default is “public”.<br />

description string: (Optional) Specifies a description<br />

of the event, which is identical to the event description<br />

in the eventTable of the RMON MIB. Default is a<br />

null-terminated string.<br />

owner string: (Optional) Owner of this event, which is<br />

identical to the eventOwner in the eventTable of the<br />

RMON MIB. Default is a null-terminated string.<br />

100 RMON

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