def _set_ext_src_vtep_ip(self, v, load=False):
    """
    Setter method for ext_src_vtep_ip, mapped from YANG variable /overlay/access_list/type/vxlan/extended/ext_seq/ext_src_vtep_ip (inet:ipv4-address)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_ext_src_vtep_ip is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_ext_src_vtep_ip() directly.
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=RestrictedClassType(base_type=unicode, restriction_dict={'pattern': u'(([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(%[\\p{N}\\p{L}]+)?'}), is_leaf=True, yang_name="ext-src-vtep-ip", rest_name="src-vtep-ip-host", parent=self, choice=(u'choice-ext-src-vtep-ip', u'case-ext-src-vtep-ip'), path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'src vtep ip address: A.B.C.D', u'alt-name': u'src-vtep-ip-host', u'cli-incomplete-no': None, u'cli-incomplete-command': None}}, namespace='urn:brocade.com:mgmt:brocade-vxlan-visibility', defining_module='brocade-vxlan-visibility', yang_type='inet:ipv4-address', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """ext_src_vtep_ip must be of a type compatible with inet:ipv4-address""",
          'defined-type': "inet:ipv4-address",
          'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=unicode, restriction_dict={'pattern': u'(([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(%[\\p{N}\\p{L}]+)?'}), is_leaf=True, yang_name="ext-src-vtep-ip", rest_name="src-vtep-ip-host", parent=self, choice=(u'choice-ext-src-vtep-ip', u'case-ext-src-vtep-ip'), path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'src vtep ip address: A.B.C.D', u'alt-name': u'src-vtep-ip-host', u'cli-incomplete-no': None, u'cli-incomplete-command': None}}, namespace='urn:brocade.com:mgmt:brocade-vxlan-visibility', defining_module='brocade-vxlan-visibility', yang_type='inet:ipv4-address', is_config=True)""",
        })

    self.__ext_src_vtep_ip = t
    if hasattr(self, '_set'):
      self._set()
Setter method for ext_src_vtep_ip, mapped from YANG variable /overlay/access_list/type/vxlan/extended/ext_seq/ext_src_vtep_ip (inet:ipv4-address)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_ext_src_vtep_ip is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_ext_src_vtep_ip() directly.