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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 C70AAC433DF for ; Thu, 14 May 2020 09:53:58 +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 64508206DA for ; Thu, 14 May 2020 09:53:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64508206DA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pineview.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 9205e7d2; Thu, 14 May 2020 09:39:49 +0000 (UTC) Received: from mail.pineview.net (mail.pineview.net [203.33.246.11]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTPS id a2a283d4 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO) for ; Thu, 14 May 2020 09:39:46 +0000 (UTC) Received: from airtime.pineview.net (airtime.pineview.net [203.33.246.51]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by mail.pineview.net (Postfix) with ESMTPSA id 6AAF280049; Thu, 14 May 2020 19:23:24 +0930 (ACST) Subject: Re: Significant Dropped Packets on WG interface To: Roman Mamedov Cc: WireGuard mailing list References: <21e7d9c5-1d0d-efc0-e698-f59325960df1@pineview.net> <20200514141508.294bf88c@natsu> From: Mike O'Connor Autocrypt: addr=mike@pineview.net; prefer-encrypt=mutual; keydata= mQGiBD4b8L4RBACiRiGuVGTs1gf7StsJVp5NsWzmCko3Sx4dsRziVB9ri4ySeJb3VKeLJrYf cPfPC/ZGdLQnPMjNHdVFxuAXBmcqTvWpXYW/9Je1gqeKbqyYrCvi16/aFTdsC/D3QFKQrJyj Hd/E+uGIYLtbyRAdDotjQZYRWbo7i5ulThdlw7fz5wCgt/szt2+bZdsBeGLpV56WZHr2p5ED /3pL6WXbKfqbZusUU4n07ciAiGTXIYFqoF6OoRnexxBqQuK1Q0FijycYfuJVz9iKvmO0KIu5 ReFZ8GejO3mVCJGQKHgmA7DOnw62vm8P4x8CfautZQ09Fb02oejY3bAFT4CU9EWFfS/NLGsz dePNrykK/Z0R/ShIkSX51Nh3a5OpA/9UQsGRQRwStHPFVzLmCMR/xPU1H07WNDWuqfq8YcTO simy+QFvouO1exiCMlpRHcaW7BxB2vCFPpPFV5QVeeR/fZHFqdkmQXfO9yXJm1qV7Bv6W02D E16jYtHTKIpOdu1A6ycwm8i9gTBpVgaVRFrtN7pv6FK5el1KaayQsSylR7QqTWlrZSBPJ0Nv bm5vciAoTWV0aG9zKSA8bWlrZUBwaW5ldmlldy5uZXQ+iFcEExECABcFAj4b8L4FCwcKAwQD FQMCAxYCAQIXgAAKCRB+BB/s5hgU9ZCIAJ9wrsTmNEN+Xvgm7Qx30Y9yoOUHLwCghj2H72K0 AxNkypCdF05CMawm9ai5AQwEPhvwwxAEAP2H/vtSktXg8HeU1G/5537WEpD/1wS+3eDt2awG jMF1Kr+pe2HNuxcAViiXgeNRkIQyw3ZWXYP1yrzCENqvc2fMXt9s6JlpXa4cIhLtVpfFytwb d9hE/j+NcHhEdi/jVliq6AKp4ilJgdw0vvf+GP5Ryl1hOlJlw0YA2y0K5HOHAAMHA/jSVXHd biCX3xYGV4UeX1Az9WITqq47pzN2/slBruDlG3dds0W9Tr9UpAXimEo3JRHMssQDMkUiCIRA 51uypAvggiDqV7oVKif98fzaRKR+9/MRdOigilrmLufmFUVsRuoI/faf+yPfCD+qllf10FYF 5k1kxYQubpVtMISASJXDiEYEGBECAAYFAj4b8MMACgkQfgQf7OYYFPU2BwCfUuCCZEGJGQzU CR6WbqLMiZmnAUAAnRdKTSZFQfYeGTJmND+hOmobAb0+uQINBEQ3FhMQCADDdH4VBpELQpgn sO/5Ww7QQoQJxeHcEaHljQpoY6bJWMtrmWuSi8AOmDS+OqOq121OOEn2y02GLN7fbM6y/Jzj wpFJkOSeu4KToF2BQDQycOVB8AuH8v87GJmUjXDoVcqs32vSeEB0m2IkKYTSUxNbhp2suusP wGd1wjYvXOkvLlkSt9hpfMq74wBoAB2s2y8jwNT6elRrz1yvS1solYMgEeKzxessij66CeV6 eCzTSLZodvCZkLz7H39DS7M1vE4x5kREDJXVkxsMKGfzAdAY1o7Y2vjB8o5A5j9T+2DzRuV+ CuwmHOc9B4EAxIxzA9zdfc+ek+G8HXxQa5MtUlq3AAMFCACIVnhWdCavBkgerNfV5fRBQXM3 kiNCNYLxf3TTkPpqV5c3WggnuUl7gedcvSOqWDt2K0Y1FL2oY2SjI1PNyC09Ts+wfd0+8IEM SZCEAYLYvhC9VChqWqWtyam5yIgy2ox6EJhnc5U7lHImNokCkG5d3H7/8bMDJpULKCuu7Otk 2Fjh/TkoCKCtr4y9HHrqUZvz0BQzRbY4XSyxo+FC/gk4T69Pgf19WBkUBx8XUeuPZU6Giv/P 3zV1ZwpMVqEnu/bPLNBbz6rpk//nq6Tp6rz8JksR6SF4L+oZbNODLC7PVcMmJsFInNEYbXt2 3S9AAsaiwCHYBbxmwS89+xbRTpQ9iEkEGBECAAkFAkQ3FhMCGwwACgkQfgQf7OYYFPWXWwCf eoco/Qk2hCPcWaAUIasIykRHyFgAn3dGUAaORgqhBBVrEcuAAyyoFKIm Message-ID: Date: Thu, 14 May 2020 19:23:22 +0930 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200514141508.294bf88c@natsu> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US 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" Hi > Reduce MTU of the WG interfaces to accomodate for overhead. See > https://www.mail-archive.com/wireguard@lists.zx2c4.com/msg01856.html for > calculations of by how much. So yes it was, but I can not understand why. I worked out the MTU be pinging back from the VPN server to the clients external ip address. Its way less than it should be at 1472, I think my ISP has made a change which broke things. I did do some MTU testing emailing before but I think I messed it up. Thanks Mike