def createVports(self, portList=None, rawTrafficVportStyle=False):
        """
        Description
           This API creates virtual ports based on a portList.
           Next step is to call assignPort.

        Parameters
            portList: <list>: Pass in a list of ports in the format of ixChassisIp, slotNumber, portNumber
                              portList = [[ixChassisIp, '1', '1'], [ixChassisIp, '2', '1']]

            rawTrafficVportStyle: <bool>: For raw Traffic Item src/dest endpoints, vports must be in format:
                               /api/v1/sessions1/vport/{id}/protocols

         Return
            A list of vports
        """
        createdVportList = []
        for index in range(0, len(portList)):
            self.ixnObj.logInfo('Creating a new virtual port')
            response = self.ixnObj.post(self.ixnObj.sessionUrl+'/vport')
            vportObj = response.json()['links'][0]['href']
            if rawTrafficVportStyle:
                createdVportList.append(vportObj+'/protocols')
            else:
                createdVportList.append(vportObj)
            if portList != None:
                response = self.ixnObj.get(self.ixnObj.httpHeader+vportObj)
                card = portList[index][1]
                port = portList[index][2]
                portNumber = str(card)+'/'+str(port)
                self.ixnObj.logInfo('\tName: %s' % portNumber)
                response = self.ixnObj.patch(self.ixnObj.httpHeader+vportObj, data={'name': portNumber})

        if createdVportList == []:
            raise IxNetRestApiException('No vports created')

        self.ixnObj.logInfo('createVports: %s' % createdVportList)
        return createdVportList