HP Netserver L Server series - Manual (Page 6)

Chapter 1 Alert On LAN2 Features and Requirements
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How Does AOL2 Work?
AOL2 works by sending a special network packet from a Windows client to your
AOL2-enabled servers to perform power functions remotely.
To enable your server (this feature is disabled by default) to perform power
functions over the network, you must first enable power on/off and Wake On
LAN options of your the server's LAN A port (LAN B doesn't support AOL2).
This is done through the server's BIOS setup program. Once the LAN A port is
enabled, you should connect it to the network, preferably to a private network
dedicated to management and only accessible by administrators.
Then you install NetServer Agents software which includes the services your
server will need to recognize AOL2 packets.
Finally, you install the client software at a secure management console (a
network-connected PC running Windows).
From the management console, you use a Windows program or DOS command to
send AOL2 packets to the specified servers. These packets initiate the specified
power functions on the selected LP1000r or LP2000r NetServers.