def configUdsRxFilters(self, portList='all', filterPalette=None, udsNum='1', udsArgs=None):
        """
        Description
           Configure rxFilters and User Defined Stats on a port

        Parameters
           portList: <'all'|list of ports>: 
                     <list>: Format: [[ixChassisIp, str(cardNumber1), str(portNumber1])]...]
                     Or if portList ='all', will modify all assigned ports to the specified mediaType.

           filterPalette: Filter Palette kwargs.
           udsNum: <string>:  uds number          
           udsArgs: uds kwargs.

        USAGE EXAMPLE:
           portMgmtObj.configUdsRxFilters(portList=[['10.113.9.219', '6', '1']], 
                                          filterPalette={'pattern1':'01', 'pattern1Mask':'FC',
                                                         'pattern1Offset':'15', 'pattern1OffsetType':'fromStartOfFrame', 
                                          udsNum=1
                                          udsArgs={'isEnabled':'true', 'patternSelector':'pattern1'})

           portMgmtObj.configUdsRxFilters(portList=[['10.113.9.219', '6', '1']], 
                                          filterPalette={'pattern2':'03', 'pattern2Mask':'FC',
                                                         'pattern2Offset':'19', 'pattern2OffsetType':'fromStartOfFrame', 
                                          udsNum=2
                                          udsArgs={'isEnabled':'true', 'patternSelector':'pattern2'})

        """
        self.ixnObj.logInfo('configUdsRxFilters: filterPalette={0}'.format(filterPalette))
        self.ixnObj.logInfo('\t\t uds={0} udsArgs={1}'.format(udsNum, udsArgs))
        response = self.ixnObj.get(self.ixnObj.sessionUrl+'/vport')
        if portList == 'all':
            #vportList = self.getAllVportList()
            portList = self.getPhysicalPortsFromCreatedVports()

        # vportList: ['/api/v1/sessions/1/ixnetwork/vport/1', '/api/v1/sessions/1/ixnetwork/vport/2']
        vportList = self.getVportFromPortList(portList)
        for vport in vportList:
            response = self.ixnObj.get(self.ixnObj.httpHeader+vport, silentMode=True)
            portType = response.json()['type']
            self.ixnObj.patch(self.ixnObj.httpHeader+vport+'/l1Config/rxFilters/filterPalette', data=filterPalette)
            self.ixnObj.patch(self.ixnObj.httpHeader+vport+'/l1Config/rxFilters/uds/'+udsNum, data=udsArgs)