eraseSimulatedConfiguration instructs the MLNMS to erase all the
simulated configuration from its configuration data-base (CDB). This
the only accepted value for SNMP SET statements and will never be
returned in SNMP GET statements.
simulatedConfigurationPresent indicates that the MLNMS currently has
a simulated configuration.
simulatedConfigurationErased indicates that the MLNMS currently has
no simulated configuration.