Returns the status of any current operation to save the
running configuration. The following values may be returned:
1 (idle) There is no config file save operation
in progress.
2 (success) The last config file save operation
completed successfully.
3 (failure) The last config file save operation
failed.
4 (saving) A config file save operation is
currently in progress.
When a read of this object returns a value of 'success' or
'failure', it will immediately be reset to 'idle' and a new
operation may be initiated if desired. A detailed description
of the last completed operation may be determined by reading
runCnfgLastSaveResult.