From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-5062-cohuck=redhat.com@lists.oasis-open.org Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 19213985D04 for ; Wed, 28 Nov 2018 17:08:43 +0000 (UTC) Date: Wed, 28 Nov 2018 12:08:39 -0500 From: "Michael S. Tsirkin" Message-ID: <20181128120516-mutt-send-email-mst@kernel.org> References: <20181005101419-mutt-send-email-mst@kernel.org> <20181018233115-mutt-send-email-mst@kernel.org> <20181121124246-mutt-send-email-mst@kernel.org> <20181122132626-mutt-send-email-mst@kernel.org> <25a340eb-62a8-ea90-5f0d-0ee3171479ce@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <25a340eb-62a8-ea90-5f0d-0ee3171479ce@intel.com> Subject: Re: [virtio-dev] [PATCH v4] content: Introduce VIRTIO_NET_F_STANDBY feature To: "Samudrala, Sridhar" Cc: Sameeh Jubran , Siwei Liu , venu.busireddy@oracle.com, cohuck@redhat.com, virtio-dev , liran.alon@oracle.com, Yan Vugenfirer List-ID: On Mon, Nov 26, 2018 at 12:22:56PM -0800, Samudrala, Sridhar wrote: > > Update: > > I have just set the vf mac's address to 0 (ip link set ens2f0 vf 1 mac > > 00:00:00:00:00:00) after unplugging it (the primary device) and the > > pings started working again on the failover interface. So it seems > > like the frames were arriving to the vf on the host. > > > > > > Yes. When the VF is unplugged, you need to reset the VFs MAC so that the packets > with VMs MAC start flowing via VF, bridge and the virtio interface. > > Have you looked at this documentation that shows a sample script to initiate live > migration? > https://www.kernel.org/doc/html/latest/networking/net_failover.html > > -Sridhar Interesting I didn't notice it does this. So in fact just defining VF mac will immediately divert packets to the VF? Given guest driver did not initialize VF yet won't a bunch of packets be dropped? -- MST --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org