<varlistentry>
	<term><option>-k</option></term>
	<term><option>--keepalive</option></term>
	<listitem>
		<para>
			The number of seconds between sending PING commands to the broker
			for the purposes of informing it we are still connected and
			functioning. Defaults to 60 seconds.
		</para>
	</listitem>
</varlistentry>
