From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lunn Subject: Re: [RFC net-next 0/5] net: dsa: LAG support Date: Mon, 2 Oct 2017 14:51:09 +0200 Message-ID: <20171002125109.GA4765@lunn.ch> References: <20171001194639.8647-1-f.fainelli@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, vivien.didelot@savoirfairelinux.com, jiri@resnulli.us, idosch@mellanox.com, Woojung.Huh@microchip.com, john@phrozen.org, sean.wang@mediatek.com To: Florian Fainelli Return-path: Received: from vps0.lunn.ch ([185.16.172.187]:35518 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750957AbdJBMvO (ORCPT ); Mon, 2 Oct 2017 08:51:14 -0400 Content-Disposition: inline In-Reply-To: <20171001194639.8647-1-f.fainelli@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: > - not sure what to do with a switch fabric, naively, if adding two ports > of two distinct switches as a LAG group, we may have to propagate that > to "dsa" cross-chip interfaces as well Hi Florian Marvell switches do support this. If i remember correctly, it requires some setup for forwarding over the DSA ports. But for a first implementation, i would be tempted to disallow such setups. Force the LAG members to be on the same switch. Andrew