linux-kernel - Re: [PATCH][RFC] ipconfig: Add new kernel parameter to force MAC address

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Message-ID: <20111021110418.GG651279@jupiter.n2.diac24.net>
Date:	Fri, 21 Oct 2011 13:04:18 +0200
From:	David Lamparter <equinox@...c24.net>
To:	Naohiro Aota <naota@...sp.net>
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH][RFC] ipconfig: Add new kernel parameter to force MAC
 address

On Fri, Oct 21, 2011 at 02:27:30AM +0900, Naohiro Aota wrote:
> However it's not possible when you are using NFS root since the
> kernel already set the random MAC address and you cannot change
> it after system boot up process.

Is there any particular reason you're not using an initramfs?
Kernel autoconfiguration & NFS-root are relicts of old times, with an
initramfs you can start a proper portmap/rpcbind daemon and use full
regular NFS (v4 even).

... and you can change the MAC before bringing the interface up.


-David
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