def loadConfigFile(self, configFile, localFile=True):
        """
        Description
            Load a saved config file.

        Parameters
            configFile: (str): The full path including the saved config filename.
                               If the config file is in a Windows filesystem, the format is c:\\path\\bgp.ixncfg
                               If you are executing the script from Linux and the config file is in local Linux filesystem,
                               the format is /path/bgp.ixncfg and localFile=True.

            localFile: (bool): For Windows API server and Connection Mgr running on a Windows server only.
                               Set to False if the config file is in the Windows API server filesystem.
        """
        if localFile == False:
            # The config file is located in Windows
            fileName = configFile.split('\\')[-1]
            copyFileUrl = self.ixnObj.sessionUrl+'/operations/copyfile'            
            destinationPath = '{0}/ixnetwork/files/'.format(self.ixnObj.headlessSessionId) + fileName
            response = self.ixnObj.post(copyFileUrl,data={"arg1": configFile, "arg2": destinationPath})
            self.ixnObj.waitForComplete(response, self.ixnObj.httpHeader+'/'+response.json()['url'], silentMode=False, timeout=30)

        if localFile == True:
            if os.path.exists(configFile) is False:
                raise IxNetRestApiException("Config file doesn't exists: %s" % configFile)

            if self.ixnObj.serverOs == 'linux':
                octetStreamHeader = {'content-type': 'application/octet-stream', 'x-api-key': self.ixnObj.apiKey}
            else:
                octetStreamHeader = {'content-type': 'application/octet-stream'}

            fileName = configFile.split('/')[-1]

            # Read the config file
            self.ixnObj.logInfo('\nReading saved config file')
            with open(configFile, mode='rb') as byteFile:
                configContents = byteFile.read()
                configContents = io.BytesIO(configContents)

            # Upload it to the server and give it any name you want for the filename
            uploadFile = self.ixnObj.sessionUrl+'/files?filename='+fileName
            self.ixnObj.logInfo('\nUploading file to server: %s' % uploadFile)

            # Note: 
            #    There is no status checking for this POST. This command is synchronous. The server won't return until it's done.
            #    The response payload: {'absolute': None, 'files': [{'name': 'bgp_ngpf_8.30.ixncfg', 'length': 177791, 'modifiedUnixTime': 1572009307,
            #                                                        'createdUnixTime': 1568302806}], 'directories': []}
            response = self.ixnObj.post(uploadFile, data=configContents, noDataJsonDumps=True, headers=octetStreamHeader, silentMode=False)

        loadConfigUrl = self.ixnObj.sessionUrl+'/operations/loadconfig'

        # Set the payload to load the given filename:  /api/v1/sessions/{id}/ixnetwork/files/ospfNgpf_8.10.ixncfg
        payload = {'arg1': '{0}/ixnetwork/files/{1}'.format(self.ixnObj.headlessSessionId, fileName)}
        
        # Tell the server to load the config file
        if localFile == True:
            response = self.ixnObj.post(loadConfigUrl, data=payload)
            
        if localFile == False:
            response = self.ixnObj.post(loadConfigUrl, data=payload)

        self.ixnObj.waitForComplete(response, self.ixnObj.httpHeader+response.json()['url'], silentMode=False, timeout=140)