netdev - Re: [Bridge] Bridge & it's MAC address question

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Message-ID: <20061215160429.GC12679@xi.wantstofly.org>
Date:	Fri, 15 Dec 2006 17:04:29 +0100
From:	Lennert Buytenhek <buytenh@...tstofly.org>
To:	Stephen Hemminger <shemminger@...l.org>
Cc:	Dmitry Mishin <dim@...nvz.org>, netdev@...r.kernel.org,
	bridge@...l.org
Subject: Re: [Bridge] Bridge & it's MAC address question

[ dropped subscriber-only openvz.org list ]

On Fri, Dec 15, 2006 at 07:52:36AM -0800, Stephen Hemminger wrote:

> > > The bridge physical address is the minimum of all the attached devices.
> > > This is done because the STP standard requires it.  You can reset it
> > > to be the same as any of the attached devices. This will not cause a
> > > problem unless using STP.
> > 
> > You can in fact use any MAC address.  The STP standard recommends using
> > the minimum address, as that is deterministic, and so it doesn't depend
> > on the order in which you enslave subdevices.
> 
> So should restriction be lifted?

We should definitely allow users to override the MAC address of a
bridge interface.


> Please update wiki page FAQ, or I'll do it

Please do.
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