Can WoL but not WoWan

Hi All,

I'm really desperate.

I wish to wake up my desktop PC (wired) over the Internet from anywhere outside my little WiFi.

I was able to do it few years ago using good old Linksys WRT54GL and DD-WRT but now, with my
new system ("target desktop") including:

Motherboard ASUS H61M-VG3 (H51 PCI-E DDR3)
PC Windows 7 Pro 64-bit
Router ASUS RT-N66U running TomatoUSB

Magic Packets reach my desktop from my WiFi laptop INSIDE my WiFi though.
(Can the laptop's...

Can WoL but not WoWan