From: Stephen Hemminger <shemminger@vyatta.com>
To: "YOSHIFUJI Hideaki / 吉藤英明" <yoshfuji@linux-ipv6.org>
Cc: davem@davemloft.net, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
Subject: Re: [PATCH 1/2] IPV6: remove addresses and routes when carrier is lost
Date: Tue, 3 Jun 2008 10:21:44 -0700 [thread overview]
Message-ID: <20080603102144.571df55b@extreme> (raw)
In-Reply-To: <20080604.011717.77875207.yoshfuji@linux-ipv6.org>
On Wed, 04 Jun 2008 01:17:17 +0900 (JST)
YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org> wrote:
> In article <20080602165347.5662f602@extreme> (at Mon, 2 Jun 2008 16:53:47 -0700), Stephen Hemminger <shemminger@vyatta.com> says:
>
> > Similar to previous change for IPV4. Allow configuration option to remove
> > addresses from FIB when carrier is lost.
> >
> > This patch also makes IPV6 ignore changes to carrier state when device
> > is admin down state. This prevents address configuration from starting
> > up on a buggy device driver that signals carrier changes when offline.
> >
> > Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
>
> Well, we need to be careful here.
> IMHO we should not remove addresses (especially link-local address
> based on MAC, or manually assigned addresses, maybe).
> We might want to do Optimistic DAD here.
>
> --yoshfuji
The patch just makes carrier_off respond the same as doing 'ip link set dev eth0 down'
(or ifconfig eth0 down). A router needs to be able to re-route when link fails.
next prev parent reply other threads:[~2008-06-03 17:21 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-02 23:52 [PATCH 1/2] IPV4: remove addresses and routes when carrier is lost Stephen Hemminger
2008-06-02 23:53 ` [PATCH 1/2] IPV6: " Stephen Hemminger
2008-06-03 16:17 ` YOSHIFUJI Hideaki / 吉藤英明
2008-06-03 17:21 ` Stephen Hemminger [this message]
2008-06-03 17:25 ` David Miller
2008-06-03 17:28 ` Patrick McHardy
2008-06-03 17:31 ` David Miller
2008-06-03 17:28 ` YOSHIFUJI Hideaki / 吉藤英明
2008-06-03 17:30 ` David Miller
2008-06-03 17:46 ` Stephen Hemminger
2008-06-03 17:53 ` David Miller
2008-06-03 18:34 ` Stephen Hemminger
2008-06-03 19:06 ` David Miller
2008-06-03 21:40 ` Stephen Hemminger
2008-06-03 15:05 ` [PATCH 1/2] IPV4: " Lennart Sorensen
2008-06-03 15:57 ` Stephen Hemminger
2008-06-03 16:03 ` Patrick McHardy
2008-06-03 16:31 ` Stephen Hemminger
2008-06-03 16:44 ` Patrick McHardy
2008-06-03 21:45 ` Lennart Sorensen
2008-06-03 22:32 ` Patrick McHardy
2008-06-04 13:53 ` Lennart Sorensen
2008-06-03 21:44 ` Lennart Sorensen
2008-06-06 14:56 ` Lennart Sorensen
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