When read, this object indicates the state of all the configuration objects in the ioGlobalCfg group (including all sub-groups and tables). Read values: 'configUnchanged' Indicates that none of the configuration objects have been changed since the last submit operation. 'configChanged' value is read, Indicates that 1 or more of the configuration objects has changed, and a 'submit_changes' operation is required to commit the values from temporary storage to running config. Write values: 'submitChanges' Causes all configuration objects in the ioGlobalCfg group to be committed from temporary storage to running config. 'discardChanges' Causes all changes to configuration objects to be discarded from temporary storage (and replaced with values from running config).