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# SMNP --> Traps --> String Monitor --> General

Tasks Related Topics Attributes

## Overview

Use this tab to configure String Monitors, which periodically check the value of a `String` attribute and generate a trap if the value is equal to or different from another specified string.

## Tasks

Configuring a String Monitor

## Related Topics

WebLogic SNMP Management Guide

W ebLogic SNMP MIB Reference

## Attributes

Table 346-1

Attribute Label | Description | Value Constraints
--- | --- | ---
Name | The name of this string monitor. Each monitor within a domain must have a unique name. The name displays in the Administration Console, and if you use WebLogic Server command-line utilities or APIs, you use this name to identify the string monitor. After you have created a string monitor, you cannot change its name. Instead, clone the string monitor and provide a new name for the clone. For more information, refer to Cloning Configuration Objects. MBean: `weblogic.management. configuration. SNMPStringMonitorMBean` Attribute: `Name` |
Monitored MBean Type | The MBean type that defines the attribute you want to monitor. For more information, refer to Determining the Names of Other Attributes. MBean: `weblogic.management. configuration. SNMPStringMonitorMBean` Attribute: `MonitoredMBeanType` |
Monitored MBean Name | The name of the MBean instance that you want to monitor. If you leave this field empty, WebLogic Server monitors all instances of the MBean type that you specify in Monitored MBean Type. For more information, refer to Determining the Names of Other Attributes. MBean: `weblogic.management. configuration. SNMPGaugeMonitorMBean` Attribute: `MonitoredMBeanName` |
Monitored Attribute Name | The name of an attribute to monitor. For more information, refer to Determining the Names of Other Attributes. MBean: `weblogic.management. configuration. SNMPStringMonitorMBean` Attribute: `MonitoredAttributeName` |
Polling Interval | The frequency (in seconds) that WebLogic Server checks the attribute value. MBean: `weblogic.management. configuration. SNMPStringMonitorMBean` Attribute: `PollingInterval` | Units: seconds Minimum: 1 Maximum: 65535
String To Compare | Defines a string to be compared to the value of the Monitored Attribute Name. A trap is generated when the critiera specified by Notify Match or Notify Differ is satisfied. MBean: `weblogic.management. configuration. SNMPStringMonitorMBean` Attribute: `StringToCompare` |
Notify Differ | Defines that the criteria used to generate a trap is that the value of Monitored Attribute Name and the value of String to Compare do not match. MBean: `weblogic.management. configuration. SNMPStringMonitorMBean` Attribute: `NotifyDiffer` | Default: false Valid values: true false
Notify Match | Defines that the criteria used to generate a trap is that the value of Monitored Attribute Name and the value of String to Compare match. MBean: `weblogic.management. configuration. SNMPStringMonitorMBean` Attribute: `NotifyMatch` | Default: false Valid values: true false