From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40DFEC61DD8 for ; Sun, 15 Nov 2020 17:32:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 146BB22240 for ; Sun, 15 Nov 2020 17:32:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727109AbgKOR1N (ORCPT ); Sun, 15 Nov 2020 12:27:13 -0500 Received: from vps0.lunn.ch ([185.16.172.187]:56272 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727028AbgKOR1N (ORCPT ); Sun, 15 Nov 2020 12:27:13 -0500 Received: from andrew by vps0.lunn.ch with local (Exim 4.94) (envelope-from ) id 1keLnt-007ChX-2K; Sun, 15 Nov 2020 18:27:05 +0100 Date: Sun, 15 Nov 2020 18:27:05 +0100 From: Andrew Lunn To: "Tj (Elloe Linux)" Cc: Vladimir Oltean , netdev@vger.kernel.org, chris.packham@alliedtelesis.co.nz, f.fainelli@gmail.com, marek.behun@nic.cz, vivien.didelot@gmail.com, info Subject: Re: dsa: mv88e6xxx not receiving IPv6 multicast packets Message-ID: <20201115172705.GF1701029@lunn.ch> References: <1b6ba265-4651-79d2-9b43-f14e7f6ec19b@alliedtelesis.co.nz> <0538958b-44b8-7187-650b-35ce276e9d83@elloe.vision> <3390878f-ca70-7714-3f89-c4455309d917@elloe.vision> <20201114184915.fv5hfoobdgqc7uxq@skbuf> <20201115160244.GD1701029@lunn.ch> <79ad87d1-15e0-7ccc-e1ad-4aab3fdf0d20@elloe.vision> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <79ad87d1-15e0-7ccc-e1ad-4aab3fdf0d20@elloe.vision> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > Using tcpdump I *think* enp2s0 (wired link direct into lan1 on 'good') > always showed the laptop sending multicast listener report v2 packets on > a regular cadence of about 60-100 seconds as well as the DHCPv6 > solicit/renews and that cadence matched when the timers on the output of > "bridge -d -s mdb show" reset to approximately 258. > > But for wlp4s0 (wifi to 'bad') the DHCPv6 solicit/renew didn't seem to > be accompanied by multicast listener reports and the mdb timers expired. So check if you have an IGMP querier in the network. If not, try turning it on in the bridge, ip link set br0 type bridge mcast_querier 1 Andrew