From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D95F98C11 for ; Wed, 6 Nov 2024 14:40:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730904049; cv=none; b=B4AmQmslmeK7s8OqWFtEcDlMNMI2E+PLb/Z4IMfRfOg+4qIG6Ef+pwUNV9PSsjKi0bXwlP+yQjqA1tpc1eLhXpCYGZQl+KQTY+woqrmBuP1NoK4POLNrggGCr+zot6F5JMMBOiYucaS0KUHvE6Tr7FT5bAOxQaT9HyasN6bzCjY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730904049; c=relaxed/simple; bh=99fCRKPid8lzY1gxZb7aplekWpsFLmLYAz/6VnB+cE4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=BNcRV3Uy5LUVYeeKdrMbTbyfpwiH+2tlLpsrRl6toBQFIs+NReAFLATWm38tFrhTIJeYlHnaseuJOgZRiAPzPFqh5FAkw0ZtA1SKiUOQs6B/JQF6TPw0pQ90z5lNHxkamXx1cOk2XDVTfRGjkValpM3EIr2fsTKFZqIjE8tlDbI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=resnulli.us; spf=none smtp.mailfrom=resnulli.us; dkim=pass (2048-bit key) header.d=resnulli-us.20230601.gappssmtp.com header.i=@resnulli-us.20230601.gappssmtp.com header.b=w/u4ju9w; arc=none smtp.client-ip=209.85.128.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=resnulli.us Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=resnulli.us Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=resnulli-us.20230601.gappssmtp.com header.i=@resnulli-us.20230601.gappssmtp.com header.b="w/u4ju9w" Received: by mail-wm1-f43.google.com with SMTP id 5b1f17b1804b1-4315abed18aso57188945e9.2 for ; Wed, 06 Nov 2024 06:40:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=resnulli-us.20230601.gappssmtp.com; s=20230601; t=1730904044; x=1731508844; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=yH4Bg+CaY/B//+9hbGIsvk3Cq/q1sqWXGfdu8J6uLwE=; b=w/u4ju9wEqfj7UT1Y6TQmuW8F8bywzy4ltWP5y3+KZiuwmqrfYywZ6Qyxzib7s1AbK nzlj94JsIuThWAaLl4AEwKmIiwDT9zEOgLPLrMrA8UlwtOoTfKHRcrZs/90d1YZvzbde RnHEiAuzJbPFSXzp8LLdQ5dB/yPAs6N7gZFgwGSo50Rs+Ogdkr8YdSkisoBec+4kHCQh uZqxzDHKL7v+ZYP22bjsvkPP4soogLKLzJzmSQwYAlwA40MLr0sTKCQbNZk37pzR01hG kmbbeFiU4SHSnCUsrdi+TFCwQM7Ri9AHy38xmr+kOQTseC/m6JyzLnzN4KBcgp6foinh 9p2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730904044; x=1731508844; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=yH4Bg+CaY/B//+9hbGIsvk3Cq/q1sqWXGfdu8J6uLwE=; b=wJ9EyBFsg3kxmet/4tpPeXo2Lc8+pz7NQdyjHluH3AMtsL1AHvyMrawsKEcXSs2Ny9 ePYTbiFRoBSKH8gtjKKfeIIeZQGCWRHoRg8doALKWADMeRJdn2M+AiyPCWyNfCZxxOc0 6Q58Nb5KxfO73GAIlMI90kXzix7CDHf4Wi/1T5hImOJOHAz2oBwDj6Vs2jz4LvVcSFtd j8Zb7o1K//c95ICmIfFKgEJ9FgZ9Pq/AOw7UR18as0ShgGwmmiWQv0SEmyM72/xSDQ8G sm22tMPBuNc1n8SE7f96xGUzQ4u+Mlpmdm6KuNIpBU5jR3o8RMh/rI7h6AjKoG6sNoLH taUw== X-Forwarded-Encrypted: i=1; AJvYcCUOC69fyl4BXT1GLJCSfphUD2nMlW91qTs1yyILPV7CDWUueMp1Lr0rAA3lAdtl70mPQqYqbuM=@vger.kernel.org X-Gm-Message-State: AOJu0YzWHb4X1dWUnT+Y79fGEIwZy9yptA4Y9zTYSkWFqu+C40sCi7NJ UKixp2kS0lnzKAGfBzwG6clBsCbjUb1ZOs9Asby+B39T/mk5CL+87c9klPh2ztQ= X-Google-Smtp-Source: AGHT+IG/epgpIGkPh0Q5EJMKbDGJ7yS1lgbQcl+Yh7JOLFvr/rm4jVhxbvS469EJQu8b8yLsCoq2/g== X-Received: by 2002:a05:600c:511c:b0:431:5533:8f0b with SMTP id 5b1f17b1804b1-432832972bbmr159644995e9.32.1730904043893; Wed, 06 Nov 2024 06:40:43 -0800 (PST) Received: from localhost ([193.47.165.251]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-432aa6f34easm26531655e9.42.2024.11.06.06.40.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Nov 2024 06:40:43 -0800 (PST) Date: Wed, 6 Nov 2024 15:40:39 +0100 From: Jiri Pirko To: Hangbin Liu Cc: Jay Vosburgh , netdev@vger.kernel.org Subject: Re: [Question]: should we consider arp missed max during bond_ab_arp_probe()? Message-ID: References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Wed, Nov 06, 2024 at 10:25:30AM CET, liuhangbin@gmail.com wrote: >On Wed, Nov 06, 2024 at 09:34:59AM +0100, Jiri Pirko wrote: >> Wed, Nov 06, 2024 at 08:39:48AM CET, liuhangbin@gmail.com wrote: >> >Hi Jay, >> > >> >Our QE reported that, when there is no active slave during >> >bond_ab_arp_probe(), the slaves send the arp probe message one by one. This >> >will flap the switch's mac table quickly, sometimes even make the switch stop >> >learning mac address. So should we consider the arp missed max during >> >bond_ab_arp_probe()? i.e. each slave has more chances to send probe messages >> >before switch to another slave. What do you think? >> >> Out of curiosity, is anyone still using AB mode in real life? And if > >Based on our analyse, in year 2024, there are 53.8% users using 802.3ad mode, >41.6% users using active-backup mode. 2.5% users using round-robin mode. > >> yes, any idea why exacly? > >I think they just want to make sure there is a backup for the link. Why don't they use LACP? You can have backup there as well. > >Thanks >Hangbin