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# SNMP String Monitors

Column Display Related Tasks Related Topics

A string monitor periodically polls an attribute whose value is a string and generates a trap if the attribute value matches a string that you specify. Alternatively, you can specify that the monitor generates a trap if the attribute value does not match your string.

This page summarizes each string monitor that has been configured in the current WebLogic Server domain.

#### Column Display

You can show fewer or additional data points on this page by expanding Customize this table and modifying the Column Display list. Each data point displays in its own table column.

The following table lists all of the data points that you can display in columns on this page.

Name | Description
--- | ---
Name | The name that you specified when you created the monitor.
Monitored MBean Type | The MBean type that defines the attribute you want to monitor. Do not include the `MBean` suffix. For example, `ServerRuntime`. MBean Attribute: `SNMPStringMonitorMBean.MonitoredMBeanType` Changes take effect after you redeploy the module or restart the server.
Monitored MBean Name | The name of the MBean instance that you want to monitor. If you leave the name undefined, WebLogic Server monitors all instances of the MBean type that you specify in Monitored MBean Type. Do not enter the full JMX object name of the MBean instance. Instead, enter only the value of the object name's `Name=name` name-value pair. To create unique MBean object names, WebLogic Server encodes several name-value pairs into each object name. One of these pairs is `Name=name`. For example: `"MedRec:Name=MedRecServer, Type=ServerRuntime"` In the previous example, specify `MedRecServer` as the name of the MBean instance. MBean Attribute: `SNMPStringMonitorMBean.MonitoredMBeanName` Changes take effect after you redeploy the module or restart the server.
Monitored Attribute Name | The name of an MBean attribute to monitor. This attribute must be in the WebLogic Server MIB. MBean Attribute: `SNMPStringMonitorMBean.MonitoredAttributeName` Changes take effect after you redeploy the module or restart the server.
Polling Interval | The frequency (in seconds) that WebLogic Server checks the attribute value. MBean Attribute: `SNMPStringMonitorMBean.PollingInterval` Minimum value: `1` Maximum value: `65535` Changes take effect after you redeploy the module or restart the server.
String to Compare | The string against which the value of the monitored attribute will be compared. A trap is generated when the criteria specified by Notify Match or Notify Differ is satisfied. MBean Attribute: `SNMPStringMonitorMBean.StringToCompare` Changes take effect after you redeploy the module or restart the server.
Notify Differ | Generates a trap if the value of the monitored attribute and the value of String to Compare are different. MBean Attribute: `SNMPStringMonitorMBean.NotifyDiffer` Changes take effect after you redeploy the module or restart the server.
Notify Match | Generates a trap if the value of the monitored attribute and the value of String to Compare are the same. MBean Attribute: `SNMPStringMonitorMBean.NotifyMatch` Changes take effect after you redeploy the module or restart the server.

Related Tasks

- Create string monitors
- Target string monitors
- Stop generating traps
- Verify trap generation
- Delete SNMP monitors

Related Topics

- WebLogic SNMP Management Guide
- WebLogic SNMP MIB Reference