Dell Broadcom NetXtreme Family of Adapters Manual de usuario descargar pdf (Pagina 12)

October 2007 Page 12 Dell Enterprise Product Group

Section

Enabling WOL under Red Hat Enterprise

Linux

versions 4 and later and SUSE

Linux Enterprise Server versions 9 and

later



NICsandLOMsfromDellhaveWOLdisabledbydefault.Havingmorethan

onedeviceenabledforWOLinasystemcanoverloadthe3.3‐voltauxiliary

powersupplyandcauseittomalfunction.Dellstronglyrecommendsthatonly

onedevicebeenabledforWOLpersystem.ToenableWOL,

createaDOS‐

bootablefloppyandcopytheutility,listedintheToolssectionabove,specificto

theWOLdevicetoitfromtheDellOpenManagementServerAssistantor

downloaditfromhttp://support.dell.com

.



ThestepstoEnablingWOLunderRedHatEnterpriseLinuxversions4andlater

andSUSELinuxEnterpriseServerversions9andlaterareasfollows:



1. LogintotheBASHshellwithrootprivileges.IfthemostrecentDell

provideddriversarenotinstalled,installthem.Run‘ethtoolethX’

where

‘ethX’isthenameandinstanceofthedesiredWOLnetworkinterface.The

WOLcapabilitiesandcurrentdefaultsettingswillbedisplayedinthe

output.

a. Theethtoolmanpageshavemoreinformationonsettingsand

meaningsofthesettings.

b. IfthedefaultsettingsshowWOLdisabled(as

theywillbydefaultas

shippedfromDell)thenfollowingsteps1and2intheOut‐of‐Box

WOLinstructionsectionwillchangethedefaultsetting.

c. EnablingWOLwithethtoolwhenthedefaultisdisabledwillnot

persistacrossreboots,meaningthatshuttingdownandperforming

WOLonce,then

shuttingdownagainandattemptingWOLwillnot

besuccessfulwithoutrunningethtoolagaintoenableWOL.Theuse

ofastartupscriptcanenableWOLoneachsubsequentrebootif

desired,orchangingthedefaultfromtheDOSbasedutilities.



2. Run‘ethtoolethX–swolg’toenable

MagicPacketWOL,whereethXisthe

nameandinstanceofthedesiredWOLnetworkinterface.

3. HaltLinuxandshutthesystemoff.TheconnectionLEDontheNICand

switchorhubwillremainon,indicatingtheNICismonitoringthenetwork

forwakeuppacketsdirectedtoits

MACaddress.

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