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Re: Wake-on-LAN

Konstantin Svist wrote:

>> Has anyone experience with WOL under Fedora?
>> If so, how exactly do you put the machine to sleep,
>> and how exactly do you wake it up remotely?
>> I recently acquired an HP ML110 server (G5 Xeon 3065).
>> This is said to have Wake-on-LAN capability,
>> but when I suspend it to RAM I do not seem able
>> to wake it remotely.
>> Should one (or can one) suspend to disk for this purpose?

> The OS doesn't need any support for WOL, all the settings are done in
> the BIOS.
> Sometimes it's a setting that only says "low power mode" - when it's
> enabled, no power is sent to the network card while the computer is
> asleep, so no wakeup is possible. A simple way to check is to look at
> the NIC while your computer is in sleep - the ethernet connection
> light(s) should be on

Thanks for the response.

Firstly, I have "Wake on LAN" enabled in the BIOS.

Secondly, rather to my surprise the ethernet light goes off
when I "Hibernate" (I should confess at this point
that I am running Centos-5.3 on this machine,
but thought that I was more likely to get a helpful response
on the Fedora list!)
but stays on when I shutdown.

In neither case does ping or (attempted) ssh have any effect.
How exactly is one meant to "wake from LAN".

Timothy Murphy  
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College Dublin 

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