From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mugunthan V N Subject: Re: am335x: no multicast reception over VLAN Date: Tue, 29 Mar 2016 09:30:16 +0530 Message-ID: <56F9FDD0.8030504@ti.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: netdev-owner@vger.kernel.org To: Yegor Yefremov , netdev Cc: "linux-omap@vger.kernel.org" , drivshin@allworx.com, grygorii.strashko@ti.com List-Id: linux-omap@vger.kernel.org Hi Yegor On Wednesday 16 March 2016 08:35 PM, Yegor Yefremov wrote: > I have an am335x based board using CPSW in Dual EMAC mode. Without > VLAN IDs I can receive and send multicast packets [1]. When I create > VLAN ID: > > ip link add link eth1 name eth1.100 type vlan id 100 > ip addr add 192.168.100.2/24 brd 192.168.100.255 dev eth1.100 > route add -net 224.0.0.0 netmask 224.0.0.0 eth1.100 > > I can successfully send multicast packets, but not receive them. On > the other side of the Ethernet cable I've used Pandaboard. Pandaboard > could both receive and send multicast packets via VLAN. Are you trying multicast tx/rx on eth1 or eth1.100? > > This setup was tested with both 3.18.21 and 4.5 kernels. > > Any idea? > > [1] https://pymotw.com/2/socket/multicast.html >