[ovs-dev] NDP for ipv6 in OVS 2.10.0

Ben Pfaff blp at ovn.org
Fri Sep 13 16:36:36 UTC 2019


On Tue, Sep 10, 2019 at 09:08:59AM -0700, William Tu wrote:
> On Tue, Sep 10, 2019 at 9:06 AM Gregory Rose <gvrose8192 at gmail.com> wrote:
> >
> >
> > On 9/10/2019 7:02 AM, Thomas Goirand wrote:
> > > Hi Ben and others,
> > >
> > > I just want to know: does OVS 2.10 has support for IPv6 mac learning /
> > > NDP, so that we can avoid the ipv6 broadcast storm in our cloud?
> >
> > OVS will switch/forward IPv6 NDP traffic generated by network stations
> > with IPv6 enabled.
> > Is there some other support you're wondering about?
> 
> I'm checking the lib/mac-learning.c and ofproto/ofproto-dpif-xlate.c
> I think OVS only learns MAC-port mapping from ARP packet, not IPv6 ND.

MAC learning is an Ethernet function that happens on every packet that
passes through the "normal" action.


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