In article <[EMAIL PROTECTED]> (at Wed, 30 Aug 2006 10:12:10 +1000), Herbert Xu
<[EMAIL PROTECTED]> says:
> Hasso Tepper <[EMAIL PROTECTED]> wrote:
> >
> >> You can disable it in /proc/sys/net/ipv6/conf/default/... and then
> >> reenable it on the interfaces that you actually want.
> >
> > You can't do that either (ie. reenable) in initscripts before link is up.
>
> As soon as you do ifconfig ethX up it'll appear in /proc/sys and
> you can reenable it.
The point is:
- Until we have live address(es), we do not create inet6_dev{} for that
device.
- We do NOT run DAD until the link is ready (netif_carrier_ok()).
This means, we do NOT have any addresses until the link is once up,
and thus, because the sysctl entries live in inet6_dev{}, we do not
install net.ipv6.conf.ethX from values of net.ipv6.conf.default until
then.
Maybe, we can install inet6_dev{} without any IPv6 addresses when we
are bringing up the device before we start DAD.
--yoshfuji
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