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# SNMP Attribute Changes: Servers

Configuration Options Related Tasks Related Topics

Use this page to determine on which WebLogic Server instances the monitor is active. If you are configuring a monitor for a domain-wide resource, such as a file store, select the Administration Server.

When you assign an attribute change to a server, you deploy a JMX listener and filter to the server. The listener will forward a notification to the WebLogic SNMP agent only if an event matches the criteria in the attribute change.

For example, if you create an attribute change that observes the `AcceptBacklog` attribute of ServerA's `Server` MBean, and if you target this attribute change to ServerB, the attribute change on ServerB will never generate a trap, because ServerB does not have access to the configuration data of ServerA.

#### Configuration Options

Name | Description
--- | ---
Servers | The list of target servers for trap generation. If no server is specified, no trap will be generated. MBean Attribute: `SNMPAttributeChangeMBean.EnabledServers` Changes take effect after you redeploy the module or restart the server.

Related Tasks

- Target attribute changes
- Verify trap generation
- Stop generating traps

Related Topics

- WebLogic SNMP Management Guide
- WebLogic SNMP MIB Reference