def assignChassisAndPorts(self, communityPortListDict):
        """
        Assign ports.

        Parameter
           communityPortListDict: <list>: A list of community ports.  Example shown below.

        Usage:
            NOTE: Traffic#@Network# are the names from your configuration.
                  You must know what they are.

            If all the ports are in the same chassis:

                communityPortList = {
                   'chassisIp': '192.168.70.128',
                   'Traffic1@Network1': [(1,1)],
                   'Traffic2@Network2': [(2,1)]
                }

                restObj.assignChassisAndPorts([communityPortList])


            If ports are on different chassis, create two dicts.

                communityPortList1 = {
                   'chassisIp': '192.168.70.128',
                   'Traffic1@Network1': [(1,1)]
                }

                communityPortList2 = {
                   'chassisIp': '192.168.70.129',
                   'Traffic2@Network2': [(1,1),
                }

                restObj.assignChassisAndPorts([communityPortList1, communityPortList2])
        """
        if type(communityPortListDict) == dict:
            # Make this updated API backward compatible by passing in one dict versus a list.
            communityPortListDict = [communityPortListDict]

        for communityPorts in communityPortListDict:
            # Assign Chassis
            chassisIp = communityPorts['chassisIp']
            newChassisId, locationUrl = self. addNewChassis(chassisIp)
            self.logInfo('assignChassisAndPorts: To new chassis: %s' % locationUrl, timestamp=False)

            # Assign Ports
            communityListUrl = self.sessionIdUrl+'/ixLoad/test/activeTest/communityList/'
            communityList = self.get(communityListUrl)

            self.refreshConnection(locationUrl=locationUrl)
            self.waitForChassisIpToConnect(locationUrl=locationUrl)

            failedToAddList = []
            communityNameNotFoundList = []
            for eachCommunity in communityList.json():
                currentCommunityObjectId = str(eachCommunity['objectID'])
                currentCommunityName = eachCommunity['name']

                if currentCommunityName not in communityPorts:
                    continue

                if communityNameNotFoundList == []:
                    for eachTuplePort in communityPorts[currentCommunityName]:
                        # Going to ignore user input chassisId. When calling addNewChassis(),
                        # it will verify for chassisIp exists. If exists, it will return the
                        # right chassisID.
                        cardId,portId = eachTuplePort
                        params = {"chassisId":int(newChassisId), "cardId":cardId, "portId":portId}
                        url = communityListUrl+str(currentCommunityObjectId)+'/network/portList'
                        self.logInfo('assignChassisAndPorts URL: %s' % url, timestamp=False)
                        self.logInfo('assignChassisAndPorts Params: %s' % json.dumps(params), timestamp=False)
                        response = self.post(url, data=params, ignoreError=True)
                        if response.status_code != 201:
                            portAlreadyConnectedMatch = re.search('.*has already been assigned.*', response.json()['error'])
                            if portAlreadyConnectedMatch:
                                self.logInfo('%s/%s is already assigned' % (cardId,portId), timestamp=False)
                            else:
                                failedToAddList.append((newChassisId,cardId,portId))
                                self.logInfo('\nassignChassisAndPorts failed: %s' % response.text)

            if communityNameNotFoundList != []:
                raise IxLoadRestApiException

            if failedToAddList != []:
                if self.deleteSession:
                    self.abortActiveTest()
                raise IxLoadRestApiException('Failed to add ports to chassisIp %s: %s:' % (chassisIp, failedToAddList))