![]() The philosophy behind SMI is to encourage simplicity and extensibility within the MIB. The SMI identifies how resources within the MIB are represented and named. The structure of management information (SMI), an SNMP standard described in the NWG RFC 1155, defines the structure of the MIB information and the allowable data types. The MIB at the management station contains network management information extracted from the MIBs of all the managed entities in the network. All message exchanges between the management station and its agents take place using the Simple Network Management Protocol (SNMP). The manageable features of resources, as defined in an SNMP-compliant MIB, are called managed objects or management variables (or just objects or variables).Ī management station gets and sets objects in the MIB, and an agent notifies the management station of significant but unsolicited events called traps. ![]() The relationship between the management station, the agent, and the MIB is shown in the following figure.Īn SNMP-compliant MIB contains definitions and information about the properties of managed resources and the services that the agents support. ![]()
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