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More info on Wake-on-LAN
Authored by: khedron on Aug 04, '07 08:26:22AM

A few people have mentioned turning off the Wake-on-LAN feature, also referred to in the Energy Saver control panel as "Wake for Ethernet network administrator access." This feature is unlikely to cause the problem, however. When this is on, the Ethernet interface listens for a specially formatted packet instructing it to wake up. Among other things, this packet must contain your ethernet card's MAC address repeated 16 times consecutively. There is effectively zero chance of a random packet on the network triggering this accidentally, so unless somebody is intentionally waking your computer remotely, this shouldn't cause it.

Having said that, turning that feature on tells your computer to keep the ethernet interface powered while the computer is asleep, so I guess there's a chance that a power fluctuation could temporarily unpower the ethernet interface, which might confuse and wake the computer, though I doubt it.



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