WoL impossible asus p5k ?

Bonjour,
j'ai passé près de 2 heures à essayer de faire marcher le Wake On Lan sur mon PC mais pas moyen de faire Booter mon PC.
tcpdump -nvXvvvvvvvvvi eth0 udp
me dit bien que je recoit les paquets :

tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
23:20:06.547522 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 130) 192.168.0.254.32769 > 192.168.0.255.9: UDP, length 102
0x0000: 4500 0082 0000 4000 4011 b71d c0a8 00fe E.....@.@.......
0x0010: c0a8 00ff 8001 0009 006e cc21 ffff ffff .........n.!....
0x0020: ffff 001e 8c36 f6a4 001e 8c36 f6a4 001e .....6.....6....
0x0030: 8c36 f6a4 001e 8c36 f6a4 001e 8c36 f6a4 .6.....6.....6..
0x0040: 001e 8c36 f6a4 001e 8c36 f6a4 001e 8c36 ...6.....6.....6
0x0050: f6a4 ..

Mais pas moyen de démarer mon PC !! Aidez moi :D

( ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: umbg
Wake-on: g
Link detected: yes
)