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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 6CEDEC28CBC for ; Wed, 6 May 2020 22:25:13 +0000 (UTC) Received: from krantz.zx2c4.com (krantz.zx2c4.com [192.95.5.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 075BA20753 for ; Wed, 6 May 2020 22:25:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=althea.net header.i=@althea.net header.b="ViKHO+D8"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="IkClkNnB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 075BA20753 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=althea.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=wireguard-bounces@lists.zx2c4.com Received: by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 55a60c50; Wed, 6 May 2020 22:11:47 +0000 (UTC) Received: from wout5-smtp.messagingengine.com (wout5-smtp.messagingengine.com [64.147.123.21]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTPS id ffe7aad0 (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO) for ; Wed, 6 May 2020 22:11:44 +0000 (UTC) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.west.internal (Postfix) with ESMTP id C686B568 for ; Wed, 6 May 2020 18:24:26 -0400 (EDT) Received: from imap2 ([10.202.2.52]) by compute7.internal (MEProxy); Wed, 06 May 2020 18:24:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=althea.net; h= mime-version:message-id:in-reply-to:references:date:from:to :subject:content-type; s=fm3; bh=27dEIIe43TgCUOYKYoZIYzBdAXJOrZG VRt3EIsT8mkE=; b=ViKHO+D8c+OZbHuM9VOis6oIrco7jOaR0NTqn39dr/LSZeF sOF0TFdSXSxZPDAi8jwHx5dCUYySA01RtLjB4uLFETqBuNSoOEtmOWKgNRc2LvUh vtTyaUsqAmscOB13FoVq0p4wHczs7L8fKJ1pSi43UPVK6YZK9J8GEEBws3yM/BTP NfrB2hJQAYZjjsryMSRHu78B4Pyp+m+SwdWYnU2bLEQrGPEz2OYTUwAe6Qh8usCC wEy09BtsS3r/q1OBKph4siBx+5R0wBWGh3cGaEqcpbnpu5R8BZjfLvilsz+1sCf0 zyPWKZTi6u3P2WqQnfT1QGwYFEBcDyG+3/ydbMg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=27dEII e43TgCUOYKYoZIYzBdAXJOrZGVRt3EIsT8mkE=; b=IkClkNnBU6gbQ7HjDJzWi7 O23vZ+RaCEGxVP4YdZ15aSXke3EywQ+m/Pv06TiB6pMkguWBaiG1zqmADCMn7mJ9 4ndnZ48mps2ubPXUiUM9ORbjeo/a13sEYhVrpEeuewraiabbBatZEoD09ReYWP11 4+XT6M1dRfUPmevjCK0bQ9Ta9DZY7/DknQ7SugLSEaWrJnLCaYySmexIt4GGAXy8 AAvDrv48T+3XVLySll1jDy08p70qxxrPO8AUIho9vVy2YPCTpq/Aro6ho3Wptu+u q4Y8FY7YSgLCVJrqH9kIcimr5WfYZbWPbiSsJlRaZ/nbPHsfX4cKx8RzWQzoxXZw == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduhedrjeelgddtkecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhepofgfggfkjghffffhvffutgesthdtre dtreertdenucfhrhhomhepfdfluhhsthhinhcumfhilhhprghtrhhitghkfdcuoehjuhhs thhinhesrghlthhhvggrrdhnvghtqeenucggtffrrghtthgvrhhnpeehgfekkefgieegtd dvleetjeethffhgfffveevffekkeeutdfhveegjeelgfejieenucevlhhushhtvghrufhi iigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehjuhhsthhinhesrghlthhhvggrrd hnvght X-ME-Proxy: Received: by mailuser.nyi.internal (Postfix, from userid 501) id 2AACCE011C; Wed, 6 May 2020 18:24:26 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.3.0-dev0-351-g9981f4f-fmstable-20200421v1 Mime-Version: 1.0 Message-Id: <9c64d009-4c24-425f-9126-ba93279c208e@www.fastmail.com> In-Reply-To: References: <71c12e22-c7b6-9753-cc44-aac0f51592ff@pallas.us> Date: Wed, 06 May 2020 18:24:03 -0400 From: "Justin Kilpatrick" To: wireguard@lists.zx2c4.com Subject: Re: WireGuard over WireGuard Content-Type: text/plain X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" > 1340 or 1360 Why two options? I've been using 1340 for a long time. -- Justin Kilpatrick justin@althea.net On Wed, May 6, 2020, at 6:00 PM, Jason A. Donenfeld wrote: > On Wed, May 6, 2020 at 3:37 PM Mo Balaa wrote: > > > > Was hoping setting them both to automatic would just work; but after > > some fiddling that appears to be the issue. > > > > What is the optimal MTU for the inner WireGuard tunnel if the outer > > one is set 1420? > > 1340 or 1360 >