def _set_bpdu_mac(self, v, load=False):
    """
    Setter method for bpdu_mac, mapped from YANG variable /interface/port_channel/spanning_tree/bpdu_mac (enumeration)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_bpdu_mac is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_bpdu_mac() directly.
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'0100.0ccc.cccd': {}, u'0304.0800.0700': {}},), is_leaf=True, yang_name="bpdu-mac", rest_name="bpdu-mac", 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'Configure VLAN spanning-tree control MAC', u'cli-full-no': None, u'display-when': u'((/protocol/spanning-tree/pvst) or (/protocol/spanning-tree/rpvst))'}}, namespace='urn:brocade.com:mgmt:brocade-xstp', defining_module='brocade-xstp', yang_type='enumeration', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """bpdu_mac must be of a type compatible with enumeration""",
          'defined-type': "brocade-xstp:enumeration",
          'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'0100.0ccc.cccd': {}, u'0304.0800.0700': {}},), is_leaf=True, yang_name="bpdu-mac", rest_name="bpdu-mac", 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'Configure VLAN spanning-tree control MAC', u'cli-full-no': None, u'display-when': u'((/protocol/spanning-tree/pvst) or (/protocol/spanning-tree/rpvst))'}}, namespace='urn:brocade.com:mgmt:brocade-xstp', defining_module='brocade-xstp', yang_type='enumeration', is_config=True)""",
        })

    self.__bpdu_mac = t
    if hasattr(self, '_set'):
      self._set()
Setter method for bpdu_mac, mapped from YANG variable /interface/port_channel/spanning_tree/bpdu_mac (enumeration)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_bpdu_mac is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_bpdu_mac() directly.