netdev - Re: [PATCH 1/2] bridge: leave carrier on for empty bridge

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Message-ID: <4E614CF7.7030700@gmail.com>
Date:	Fri, 02 Sep 2011 23:39:03 +0200
From:	Nicolas de Pesloüan 
	<nicolas.2p.debian@...il.com>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] bridge: leave carrier on for empty bridge

Le 02/09/2011 19:22, Stephen Hemminger a écrit :
> This resolves a regression seen by some users of bridging.
> Some users use the bridge like a dummy device.
> They expect to be able to put an IPv6 address on the device
> with no ports attached during boot.
>
> Note: the bridge still will reflect the state of ports in the
> bridge if there are any added.

Doesn't this jeopardize the behavior introduced in 1faa4356a3bd89ea11fb92752d897cff3a20ec0e
"bridge: control carrier based on ports online"?

If the user starts the DHCP client before adding the first port to the bridge, the DHCP client will 
have a carrier and start the autoconfiguration process. This was the old behavior, but you fixed it.

	Nicolas.

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