def createRouteRangeOnProtocol(self, portName, protocol, routeRange):
        """
        Description
            Create a route range for a protocol on a speficied port

        Parameters
            portName: <str>: Name of the port eg: "1/1/11"
            protocol: <str>: protocol to create route range. eg: <OSPF|OSPFV3|BGP|ISIS|EIGRP|RIP|RIPng>
            routeRange: <dict>: route range to configure <IPv4|IPv6> address
            eg: {'enabled': 'True', 'mask': 24, 'numberOfRoutes': 5, 'networkNumber': '8.7.7.1', 'metric': 10, 'origin': 'externalType1'}
                {'enabled': 'True', 'maskWidth': 64, 'numberOfRoute': 10, 'firstRoute': '7::1', 'metric': 10, 'nextHop': '7::2'}

        Syntax
            POST: /api/v1/sessions/{id}/ixnetwork/vport/{id}/protocols/ospf/router/{id}/routeRange/{id}
            DATA: {'enabled': 'True', 'mask': 24, 'numberOfRoutes': 5, 'networkNumber': '7.7.7.1', 'metric': 10, 'origin': 'externalType1'}

            POST: /api/v1/sessions/{id}/ixnetwork/vport/{id}/protocols/ospfV3/router/{id}/routeRange/{id}
            DATA: {'enabled': 'True', 'mask': 64, 'numberOfRoutes': 5, 'firstRoute': '7::1', 'metric': 10, 'type': 'anotherArea', 'addressFamily': 'unicast'}

            POST: /api/v1/sessions/{id}/ixnetwork/vport/{id}/protocols/eigrp/router/{id}/routeRange/{id}
            DATA: {'enabled': 'True', 'mask': 24, 'numberOfRoutes': 10, 'firstRoute': '7.7.7.1', 'metric': 10, 'nextHop': '7.7.7.2'}

            POST: /api/v1/sessions/{id}/ixnetwork/vport/{id}/protocols/rip/router/{id}/routeRange/{id}
            DATA: {'enabled': 'True', 'maskWidth': 24, 'noOfRoutes': 10, 'firstRoute': '7.7.7.1', 'metric': 10, 'nextHop': '7.7.7.2'}

            POST: /api/v1/sessions/{id}/ixnetwork/vport/{id}/protocols/ripng/router/{id}/routeRange/{id}
            DATA: {'enabled': 'True', 'maskWidth': 64, 'numberOfRoute': 10, 'firstRoute': '7::1', 'metric': 10, 'nextHop': '7::2'}

            POST: /api/v1/sessions/{id}/ixnetwork/vport/{id}/protocols/bgp/neighborRange/{id}/routeRange/{id}
            DATA: {'enabled': 'True', 'fromPrefix': 24, 'thruPrefix': 24, 'numRoutes': 10, 'networkAddress': '7.7.7.7'}

            POST: /api/v1/sessions/{id}/ixnetwork/vport/{id}/protocols/bgp/neighborRange/{id}/routeRange/{id}
            DATA: {'enabled': 'True', 'fromPrefix': 64, 'thruPrefix': 64, 'numRoutes': 10, 'networkAddress': '7::1'}

        Examples
            createRouteRangeOnProtocol(portName='1/1/11', protocol='ospf', routeRange={'enabled': 'True', 'mask': 24,
                                                                         'numberOfRoutes': 5, 'networkNumber': '8.7.7.1',
                                                                         'metric': 10, 'origin': 'externalType1'}
            createRouteRangeOnProtocol(portName='1/1/11', protocol='ospf', routeRange={'networkNumber': '8.7.7.1'}

        """
        vport = self.portMgmtObj.getVportObjectByName(portName)
        if vport == None:
            raise IxNetRestApiException('PortName {0} not connected to chassis'.format(portName))

        RouterInstanceList = self.getRouterInstanceByPortAndProtocol(protocol=protocol, vport=vport)
        if RouterInstanceList == []:
            raise IxNetRestApiException('No Router instance exists in protocol {0}'.format(protocol))

        self.ixnObj.logInfo('Router list %s' % RouterInstanceList)
        #routeRange = ast.literal_eval(routeRange)
        for eachRouterInstance in RouterInstanceList:
            url = self.ixnObj.httpHeader + eachRouterInstance + '/routeRange'
            self.ixnObj.post(url, data=routeRange)