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Extension Group Features

The Extension Group of the Systems Management MIB is located at OID 1.3.6.1.4.1.546.14. This group provides space for 2³² user-defined scalar MIB variables. These new variables are numbered 1 through 2³² and are referenced as any other scalar MIB object. For example, extension object 1 is referred to in Get and Set request messages as 1.3.6.1.4.1.546.14.1.0. In all cases, extension variables use the object instance identifier of .0.

You can specify variables as read-only or read-write. An extension variable can be any valid base SNMP type, including the following:

Note: For more information about starting the agent with its debugging options turned on, see the chapter “Starting the Agent.”