ommand to bring up the virtual IP.
	Set the command and parameters such as 
	"ifconfig eth0:0 inet $_IP_$ netmask 255.255.255.0".
	$_IP_$ is replaced by the IP address specified in delegate_IP.
</p>
</dd>

<dt><a name="IF_DOWN_CMD"></a>if_down_cmd</dt>
<dd>
<p>
	This parameter specifies a command to bring down the virtual IP.
	Set the command and parameters such as 
	"ifconfig eth0:0 down".
</p>
</dd>

<dt><a name="ARPING_PATH"></a>arping_path</dt>
<dd>
<p>
	This parameter specifies a path of a command to s