[CentOS] Getting Wake on lan to work

Wed Oct 20 18:04:51 UTC 2010
Steve Clark <sclark at netwolves.com>

On 10/20/2010 01:53 PM, Peter Crighton wrote:
> On Fri, 08 Oct 2010 16:25:26 -0700, you wrote:
>> on 10-6-2010 2:27 PM Robert Heller spake the following:
>>> At Wed, 06 Oct 2010 21:33:25 +0100 CentOS mailing list<centos at centos.org>  wrote:
>>>> My system is:
>>>> Intel CC820 motherboard (which supports PME# wake up for wake on LAN)
>>>> 3com 3C905C which also supports wake on LAN via PME#
>>>> Linux 5.5
>>>> The motherboard BIOS is later than one that reports an issue with WOL
>>>> and this particular network card was fixed.
>> If the card goes dark when the system is off but still plugged in, the card
>> does not get its power and signal from the pci bus and will need the header
>> cable plugged in. There is no other way... The card HAS to be powered from
>> somewhere at all times so it can activate the system.
> I have now purchased a WOL cable but that has not helped.
> There are no options in the BIOS for WOL and I have updated to the
> latest.
> I have found this page http://ubuntuforums.org/showthread.php?t=951563
> which refers to using pci-config to force the bus power to be left on
> for the card prior to shutting down. Could this be the problem and if
> so where do I get pci-config (or the equivalent) for Centos as I can't
> identify a package to install that.
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To get mine to work under fedora I had to run ethtool and turn on the 
wol option.
Also it seemed to get reset after used wol to start it up so in my 
rc.local I put
/sbin/ethtool -s eth1 wol g
/sbin/ethtool -s eth0 wol g


Stephen Clark
Sr. Software Engineer III
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.clark at netwolves.com
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