On Wed, Jun 17, 2015 at 09:52:11PM +0200, Nicolas Dichtel wrote:
> Le 17/06/2015 21:10, Andy Gospodarek a écrit :
> >On Wed, Jun 17, 2015 at 06:05:32PM +0200, Nicolas Dichtel wrote:
> >>Le 15/06/2015 18:33, Andy Gospodarek a écrit :
> >>>This series adds the ability to have the Linux kernel track whether or
> >>>not a particular route should be used based on the link-status of the
> >>>interface associated with the next-hop.
> >>>
> >>>Before this patch any link-failure on an interface that was serving as a
> >>>gateway for some systems could result in those systems being isolated
> >>>from the rest of the network as the stack would continue to attempt to
> >>>send frames out of an interface that is actually linked-down.  When the
> >>>kernel is responsible for all forwarding, it should also be responsible
> >>>for taking action when the traffic can no longer be forwarded -- there
> >>>is no real need to outsource link-monitoring to userspace anymore.
> >>>
> >>>This feature is only enabled with the new per-interface or ipv4 global
> >>>sysctls called 'ignore_routes_with_linkdown'.
> >>>
> >>>net.ipv4.conf.all.ignore_routes_with_linkdown = 0
> >>>net.ipv4.conf.default.ignore_routes_with_linkdown = 0
> >>>net.ipv4.conf.lo.ignore_routes_with_linkdown = 0
> >>>...
> >>Sorry for my late reply, but is it possible to advertise this sysctl via the
> >>netconf infra (grep NETCONFA_)?
> >I would be happy to do that.  Do you see it as a requirement for this
> >set to be accepted?
> No, but it would be great to do it before net-next closes.
Will do.

> 
> >
> >I've got to add ipv6 support, so netconf support could also easily be
> >added in the kernel and iproute2.
> Ok.
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