> -----Original Message----- > From: Wang, Xiao W > Sent: Wednesday, January 3, 2018 9:37 AM > To: Bie, Tiwei <tiwei....@intel.com> > Cc: y...@fridaylinux.org; dev@dpdk.org; step...@networkplumber.org > Subject: RE: [PATCH v2 2/2] net/virtio: support GUEST ANNOUNCE > > Hi, > > > -----Original Message----- > > From: Bie, Tiwei > > Sent: Monday, December 4, 2017 4:47 PM > > To: Wang, Xiao W <xiao.w.w...@intel.com> > > Cc: y...@fridaylinux.org; dev@dpdk.org; step...@networkplumber.org > > Subject: Re: [PATCH v2 2/2] net/virtio: support GUEST ANNOUNCE > > > > On Mon, Dec 04, 2017 at 06:02:08AM -0800, Xiao Wang wrote: > > > When live migration is done, for the backup VM, either the virtio > > > frontend or the vhost backend needs to send out gratuitous RARP packet > > > to announce its new network location. > > > > > > > To support GUEST ANNOUNCE, do we just need to send a RARP packet? > > Will it work in an IPv6-only network? > > Will try to send out another one for IPv6 in next version.
Checking kernel's implementation on IPv6, it's associated with netdev configuration, in DPDK there's no such concept. BRs, Xiao