@doc_metadata(categories=['<STR_LIT>'])<EOL><INDENT>def keepalive(self, address, port):<DEDENT>
address = self._process_value(address, '<STR_LIT>')<EOL>port = self._process_value(port, '<STR_LIT:int>')<EOL>payload = {"<STR_LIT:address>": address, "<STR_LIT:port>": port}<EOL>resp = self.call('<STR_LIT>', payload)<EOL>return resp == {}<EOL>
Tells the node to send a keepalive packet to **address**:**port**

.. enable_control required

:param address: IP address of node to send keepalive packet to
:type address: str

:param port: Port of node to send keepalive packet to
:type port: int

:raises: :py:exc:`nano.rpc.RPCException`

>>> rpc.keepalive(address="::ffff:192.168.1.1", port=1024)
True