From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH 1/2] IPV4: remove addresses and routes when carrier is
 lost
Date: Wed, 04 Jun 2008 00:32:22 +0200
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Cc: Stephen Hemminger <stephen.hemminger@vyatta.com>,
	Stephen Hemminger <shemminger@vyatta.com>,
	David Miller <davem@davemloft.net>, netdev@vger.kernel.org
To: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
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Lennart Sorensen wrote:
> On Tue, Jun 03, 2008 at 06:03:46PM +0200, Patrick McHardy wrote:
>> Can't the routing daemon simply ignore routes with a
>> device that has no carrier?
> 
> zebra won't add a route that is already provided by the kernel.  The
> kernel has to remove it's route when the link is down before zebra can
> provide an alternative.

That should be easily fixed, the kernel provides all necessary
information to make this decision in userspace.