def _set_secpath_ipmtu(self, v, load=False):
    """
    Setter method for secpath_ipmtu, mapped from YANG variable /mpls_config/router/mpls/mpls_cmds_holder/lsp/secondary_path/secpath_ipmtu (uint32)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_secpath_ipmtu is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_secpath_ipmtu() directly.
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=RestrictedClassType(base_type=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32), restriction_dict={'range': [u'576..1526']}), is_leaf=True, yang_name="secpath-ipmtu", rest_name="ipmtu", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'cli-full-command': None, u'info': u'IP Packet Maximum Transmission Unit', u'cli-full-no': None, u'alt-name': u'ipmtu'}}, namespace='urn:brocade.com:mgmt:brocade-mpls', defining_module='brocade-mpls', yang_type='uint32', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """secpath_ipmtu must be of a type compatible with uint32""",
          'defined-type': "uint32",
          'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32), restriction_dict={'range': [u'576..1526']}), is_leaf=True, yang_name="secpath-ipmtu", rest_name="ipmtu", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'cli-full-command': None, u'info': u'IP Packet Maximum Transmission Unit', u'cli-full-no': None, u'alt-name': u'ipmtu'}}, namespace='urn:brocade.com:mgmt:brocade-mpls', defining_module='brocade-mpls', yang_type='uint32', is_config=True)""",
        })

    self.__secpath_ipmtu = t
    if hasattr(self, '_set'):
      self._set()
Setter method for secpath_ipmtu, mapped from YANG variable /mpls_config/router/mpls/mpls_cmds_holder/lsp/secondary_path/secpath_ipmtu (uint32)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_secpath_ipmtu is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_secpath_ipmtu() directly.