code: def gen_cisco_vdp_oui(self, oui_id, oui_data):
          
          oui_list = []
          vm_name = oui_data.get('vm_name')
          if vm_name is not None:
              oui_str = "oui=%s," % oui_id
              oui_name_str = oui_str + "vm_name=" + vm_name
              oui_list.append(oui_name_str)
          ip_addr = oui_data.get('ip_addr')
          if ip_addr is not None:
              oui_str = "oui=%s," % oui_id
              ip_addr_str = oui_str + "ipv4_addr=" + ip_addr
              oui_list.append(ip_addr_str)
          vm_uuid = oui_data.get('vm_uuid')
          if vm_uuid is not None:
              oui_str = "oui=%s," % oui_id
              vm_uuid_str = oui_str + "vm_uuid=" + vm_uuid
              oui_list.append(vm_uuid_str)
          return oui_list
docs: Cisco specific handler for constructing OUI arguments.