'Exchange NIC Vlans
:param    nic_id_1:  Nic ID 1
:type     nic_id_1: :``str``
:param    nic_id_2:  Nic ID 2
:type     nic_id_2: :``str``
:rtype: ``bool``'

def ex_exchange_nic_vlans(self, nic_id_1, nic_id_2):

    exchange_elem = ET.Element('urn:exchangeNicVlans', {'xmlns:urn': TYPES_URN})
    ET.SubElement(exchange_elem, 'urn:nicId1').text = nic_id_1
    ET.SubElement(exchange_elem, 'urn:nicId2').text = nic_id_2
    response = self.connection.request_with_orgId_api_2('server/exchangeNicVlans', method='POST', data=ET.tostring(exchange_elem)).object
    response_code = findtext(response, 'responseCode', TYPES_URN)
    return (response_code in ['IN_PROGRESS', 'OK'])
