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=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 1935FC5519F for ; Wed, 25 Nov 2020 15:11:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98E812067D for ; Wed, 25 Nov 2020 15:11:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UiWbFYz4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730117AbgKYPLN (ORCPT ); Wed, 25 Nov 2020 10:11:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729640AbgKYPLN (ORCPT ); Wed, 25 Nov 2020 10:11:13 -0500 Received: from mail-qt1-x829.google.com (mail-qt1-x829.google.com [IPv6:2607:f8b0:4864:20::829]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08A45C0613D4 for ; Wed, 25 Nov 2020 07:11:06 -0800 (PST) Received: by mail-qt1-x829.google.com with SMTP id f15so1757030qto.13 for ; Wed, 25 Nov 2020 07:11:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=u4fYhpbHv+klYT57sVo28ZCDDhB/8Nbf3n1S9NPpwqg=; b=UiWbFYz44KU16024nnnFZdzFe2c5bUlp3/22mFTCHmMeypi+x8sr8FcKbKdUQx0WPb rcctrRRocoTdZ88DFqMFraiVeJIm6h6J7cmoxtj1VJwgsWoZJJquvKeHYl5eMSrg9zej wayrMY90gWGiF/gD6gmj7ayFpsGlkB76iWEGlIZpOzzFs2DjRtOAoKEPDKutqBJVijXN grXKjaKU3Rulml4zgTMouTv+fLTyX5PXxKlHa3Np8rvHd+kdII9f0ZQaPW5/I0yrpKGs e0yeavRo1RwtmjsII28mBgZTbRvYmMCCyk2cc/h9cbcz79rjOJ+bN5mnCa2KPI/5pXcw odtA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=u4fYhpbHv+klYT57sVo28ZCDDhB/8Nbf3n1S9NPpwqg=; b=JINzEAy2AA4xASVYuL3lrIqlTfrKfmUCdivwjJtvEyHuFp44yFBLqLL4afYEUdokxF SWcbzMXSiOaLafec6qVTotQyGVATt/zDaviLrLZR0VOa4dCdWWy/AoCC60wI15iJrFt7 Pyp257h/G6WXfWswMgp1O8WPUVzzNSgkbs6Mh+UY7mHzL6qUf3a171O/8Rkx0tAIQO0F NpkyPVWcNGi00+IVNPVMCsM3PxJk4fZ++HUFLFONz0F8nGLFTwITlXws7CtuAcOTGyl/ bR3nad0hz7w+D+2Ipb3tLIYr+94RmzM0ot7w6hzbIKqFJtNKGv1g8uOSVkxufrFgNA5V L4Fw== X-Gm-Message-State: AOAM531nJOyitb8kL4TImGxpkrcsIZ2LVvRgjBg3G7sS1NqqF1e4CHDw WvLT6KndPhxnFYPkbQmgtBN1m6rUayhE X-Google-Smtp-Source: ABdhPJwtbZNsv7UgeKaLKrjahqBqzqvhC2nBf7+HKYQ134467CbtvJjaZ/kzS+wjmhKTa7CpqF7a/w== X-Received: by 2002:a05:622a:294:: with SMTP id z20mr3356954qtw.321.1606317065213; Wed, 25 Nov 2020 07:11:05 -0800 (PST) Received: from ssuryadesk ([136.56.89.69]) by smtp.gmail.com with ESMTPSA id t51sm2809658qtb.11.2020.11.25.07.11.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Nov 2020 07:11:04 -0800 (PST) Date: Wed, 25 Nov 2020 10:10:56 -0500 From: Stephen Suryaputra To: David Ahern Cc: netdev@vger.kernel.org Subject: Re: VRF NS for lladdr sent on the wrong interface Message-ID: <20201125151056.GA4062@ssuryadesk> References: <20201124002345.GA42222@ubuntu> <6d0df155-ef2e-f3eb-46df-90d5083c0dc0@gmail.com> <20201124205748.GA18698@EXT-6P2T573.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201124205748.GA18698@EXT-6P2T573.localdomain> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Nov 24, 2020 at 03:57:48PM -0500, Stephen Suryaputra wrote: > On Tue, Nov 24, 2020 at 01:43:54PM -0700, David Ahern wrote: > > On 11/23/20 5:23 PM, Stephen Suryaputra wrote: > > > Hi, > > > > > > I'm running into a problem with lladdr pinging all-host mcast all nodes > > > addr. The ping intially works but after cycling the interface that > > > receives the ping, the echo request packet causes a neigh solicitation > > > being sent on a different interface. > > > > > > To repro, I included the attached namespace scripts. This is the > > > topology and an output of my test. > > > > Can you run your test script on 4.14-4.17 kernel? I am wondering if the > > changes in 4.19-next changed this behavior. > > > We found the issue on 4.14.200-based kernel. To be clear, our platform is based on 4.14.200 kernel. We found the issue there and I reproduced it on the net tree using the scripts I provided. Looks to me that it is a day 1 problem. Regards, Stephen.