linux-kernel - Re: Realtek 8168D: no active link (2.6.29.2)

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Date:	Wed, 27 May 2009 14:27:04 +0200
From:	Benny Amorsen <benny+usenet@...rsen.dk>
To:	Jonathan Woithe <jwoithe@...sics.adelaide.edu.au>
Cc:	romieu@...zoreil.com (Francois Romieu),
	dave@...dillows.org (David Dillow), linux-kernel@...r.kernel.org,
	edward_hsu@...ltek.com.tw (Edward Hsu)
Subject: Re: Realtek 8168D: no active link (2.6.29.2)

Jonathan Woithe <jwoithe@...sics.adelaide.edu.au> writes:

>   ethtool -s eth0 autoneg off speed 10
>     - 10 Mbps speed set
>
>   ethtool -s eth0 autoneg off speed 100
>     - 100 Mbps speed achieved
>
>   ethtool -s eth0 autoneg on speed 1000
>     - 1000 Mbps speed attained
>
> The duplex setting might not be having an effect though since my switch's
> FDx (full duplex) LED was extinguished for both the 10 and 100 Mbps cases
> above.  Explicitly setting the duplex flag using
>
>   ethtool -s eth0 autoneg off speed 100 duplex full
>
> didn't make any difference - the FDx LED remained off.

You turned auto negotiation off, and you are surprised that the switch
doesn't autonegotiate full duplex?


/Benny

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