Check Ethernet card (NIC) supports Wake On LAN:
ethtool eth0 | grep Wake-on
*Make sure that ‘g’ is included as one of the options for ‘Supports Wake-on: ‘ e.g. Supports Wake-on: pumbg
**Substitute eth0 with correct interface
Configure the NIC to wake on MagicPacket:
ethtool -s eth0 wol g
Persist the change by editing /etc/sysconfig/network-scripts/ifcfg-eth0 and appending:
Shutdown and test WOL.