def startStopIsisL3Ngpf(self, isisObjList, action='start'):
        """
        Description
            Start or stop ISIS protocol.

        Parameters
            isisObjList: Provide a list of one or more mldHost object handles to start or stop.
                      Ex: ["/api/v1/sessions/1/ixnetwork/topology/1/deviceGroup/1/ethernet/1/isisL3/3", ...]

        action = start or stop
        """
        if type(isisObjList) != list:
            raise IxNetRestApiException('startStopIsisL3Ngpf error: The parameter isisObjList must be a list of objects.')

        url = self.ixnObj.sessionUrl+'/topology/deviceGroup/ethernet/isisL3/operations/'+action
        data = {'arg1': isisObjList}
        self.ixnObj.logInfo('startStopIsisL3Ngpf: {0}'.format(action))
        self.ixnObj.logInfo('\t%s' % isisObjList)
        response = self.ixnObj.post(url, data=data)
        self.ixnObj.waitForComplete(response, url+'/'+response.json()['id'])