From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH iproute2 net-next 2/2] Enable configuring multicast group join / leave at IP level. Date: Sun, 15 Mar 2015 12:43:17 -0700 Message-ID: <20150315124317.6a01a542@urahara> References: <1425493810-2537-1-git-send-email-challa@noironetworks.com> <1425493810-2537-3-git-send-email-challa@noironetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Madhu Challa Return-path: Received: from mail-pd0-f170.google.com ([209.85.192.170]:32917 "EHLO mail-pd0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751477AbbCOTnP (ORCPT ); Sun, 15 Mar 2015 15:43:15 -0400 Received: by pdnc3 with SMTP id c3so37168620pdn.0 for ; Sun, 15 Mar 2015 12:43:15 -0700 (PDT) In-Reply-To: <1425493810-2537-3-git-send-email-challa@noironetworks.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, 4 Mar 2015 10:30:10 -0800 Madhu Challa wrote: > Joining multicast group on ethernet level via "ip maddr" command would > not work if we have an Ethernet switch that does igmp snooping since > the switch would not replicate multicast packets on ports that did not > have IGMP reports for the multicast addresses. > > Linux vxlan interfaces created via "ip link add vxlan" have the group option > that enables then to do the required join. > > By extending ip address command with option "autojoin" we can get similar > functionality for openvswitch vxlan interfaces as well as other tunneling > mechanisms that need to receive multicast traffic. > > example: > ip address add 224.1.1.10/24 dev eth5 autojoin > ip address del 224.1.1.10/24 dev eth5 Applied, but please update manual pages as well.