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([2a02:6d40:2bd6:9600:68bd:cb6d:7cdc:cf00]) by smtp.googlemail.com with ESMTPSA id t2sm5378940wml.30.2020.03.24.11.27.58 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Mar 2020 11:27:58 -0700 (PDT) To: wireguard@lists.zx2c4.com From: Oliver Freyermuth Subject: MTU setting in WireGuard Autocrypt: addr=o.freyermuth@googlemail.com; prefer-encrypt=mutual; keydata= mQINBFLcXs0BEACwmdPc7qrtqygq881dUnf0Jtqmb4Ox1c9IuipBXCB+xcL6frDiXMKFg8Kr RZT05KP6mgjecju2v86UfGxs5q9fuVAubNAP187H/LA6Ekn/gSUbkUsA07ZfegKE1tK+Hu4u XrBu8ANp7sU0ALdg13dpOfeMPADL57D+ty2dBktp1/7HR1SU8yLt//6y6rJdqslyIDgnCz7+ SwI00+BszeYmWnMk5bH6Xb/tNAS2jTPaiSVr5OmJVc5SpcfAPDr2EkHOvkDR3e0gvBEzZhIR fqeTxn4+LfvqkWs24+DmYG6+3SWn62v0xw8fxFjhGbToJkTjNCG2+RhpcFN8bwDDW7xXZONv BGab9BhRTaixkyiLI1HbqcKovXsW0FmI8+yW3vxrGUtZb4XFSr4Ad6uWmRoq2+mbE7QpYoyE JQvXzvMxHq5aThLh6aIE3HLunxM6QbbDLj9xhi7aKlikz5eLV5HRAuVcqhBAvh/bDWpG32CE SfQL0yrqMIVbdkDIB90PRcge7jbmGOxm8YVpsvcsSppUZ9Y8j/rju/HXUoqUJHbtcseQ7crg VDuIucLCS57p2CtZWUvTPcv1XJFiMIdfZVHVd2Ebo6ELNaRWgQt8DeN4KwXLHCrVjt0tINR9 zM/k0W26OMPLSD6+wlFDtAZUng2G8WfmsxvqAh8LtJvzhl2cBwARAQABtC9PbGl2ZXIgRnJl eWVybXV0aCA8by5mcmV5ZXJtdXRoQGdvb2dsZW1haWwuY29tPokCPAQTAQIAJgIbAwcLCQgH AwIBBhUIAgkKCwQWAgMBAh4BAheABQJTHH5/AhkBAAoJECZSCVPW7tQjXfMP/j+WZ1cqg6Ud CUbcWYWm8ih1bD61asdkl8PG55/26QSRPyaR+836+cpY+etMDbd82mIyFnjHlqjGjmO8fr0H h4/SUS1Jut54y4CdJ62xG8O8Mkt/OVgEQnfv1FYKr+9MxhVrd3O1s/bubbj3WEyRwtK5NVpi vBTSdHwpfEPsnwUA+qeFINtp2EovaJaWvtjL+H8CmNXM9H3p4/PSzQGioaJB/qjDfvS6fwZU aUUdgXjtKwYl+9YTPuxVgmfmItNLjncpCXR5ZVA7Nwv3BFZGdbxLZ185yXgN/AjGHoZrjVfr /q+jfuhcR04kiKItugvZ7HhYyeBGcOyPexg6g0BqIxN42KAj4lfAnPOIHEPV0ZG279xUkdA3 TP/aeM8a1rmVoH2vtQT0vAL8y2s7oy0sqVETjG5OmqWzjhzEUJLxuNhXX6dUDrzPB5VeCi2h P1b7Wz3AdskNyCK7zR9fipMi7olL+vAdnylfz404mDYy57OppmVxk19Tqm+DE5SHKG/sLIFi 0+I6CBOLyVRZUob0duauP6V3uv4dkDU6noKV5vr9CJ2DzMCsREOH5DepoTi0QwmVGTISq9pE TRfbsjRNt9rCZq2RSFMmBBOsfsTALqH57oXYdkDcY+54DtZyz1vX1IW60tGtjkGhIdSRktlH /g3WSB6VUHeHwc6y3xaQ5wU/uQINBFLcXs0BEACU2ylliye1+1foWf9oSkvPSCMZmL1LMBAa d7Jb51rrBMl4h3oRyNQ95w9MXnA9RMk+Y6oKCQc6RS+wMKtglWgYzTw7hdORO5TX1qWri8KI sXinHLtQVKqlTp6lKWVX57rN4WhFkRh7yhN32iVV9d3GBh9H189HqLIVNbS3G8D83VerLO7L H+VIRjHBNd6nakw8AMZnvaIqiWv9SM9Kc7ZixCEcU5r3gzd1YB3N7qyJJyAcYHbGe6obZuov MiygoRQE3Pr7Ks7FWiR/lCFc3z1NPbIWAU2LTkLVk2JosRWuplT7faM5fzg0tLs6q9pFuz/6 htP9c9xwZZFe+eZo247UMBwrptlugg2Yxi/dZirQ3x7KFJmNbmOD1GMe6GDB6JVO4mAhUAN4 xpsRIukj2PMCRAMmbN/KOusCdh2XDrNN0Zr0Xo6fXqxtvLFNV/JLky2dkXtiGGtK27D76w23 3J2Xv/AIdkTOdaZqvk8rP2zoDq8ImOiC05yfsiSEeAS++pVczrGD0OPm3FTwhusbPDsamW42 GWu+KaNSARo0D1r9Mek4HIeErO4gqjuYHjHftNifAWdyFR9IMy4TQguiGrWMFa1jDSbYA/r+ w3mzYbU8m1cy6oiOP1YIVbhVShE6aYzQ4RLx38XAXfbfCum/1LGSSXctcfVIbyWeDixUcKtM rQARAQABiQIfBBgBAgAJBQJS3F7NAhsMAAoJECZSCVPW7tQj8/kP/RHW+RFuz8LXjI0th/Eq RFkO4ZK/ap6n1dZpKxDbsOGWG8pcAk2g7zmwDB9oFjE4sy3O1EvDqyu68nRfBcZf1Xw1kh2Z sMo2D5e7Sn6jkyKTNYNztyL5GBcnXwlG/XIQvAwp4twq/8lB/Mm5OgfXb7OijyYaqnOdn7rO 4P6LgSMdA73ljOn7duazNrr4AGhzE28Qg/S4Jm5hrSn6R/hQGaISsKxXewsKRafQsIny7c97 eDZ3pD4RYVpFOdSVhMGmzcnNq3ETyuDITwtgP0V4v9hJbCNU1zV2oEq5tTQM2h0K8jL3WvPM wZ3eOxet7ljrE7RxaKxfixwxBny9wEm8zQAx1giFL7BbIc7XR2bJ3jMTmONO2mM4lj49Cjge pvL4u227FCG+v+ezbVHDzYPCf9TYo17Ns5tnso/dMKVpP6w5ZtIYXxs1NgPxrSTsBR9I9qE0 /cJpiDJPuwTvg78iM5MvliENLUhYV+5j+Xj+B5v/pyPty/a1EW9G+m4xpQvAyP8jMWI8YJJL 8GIuPyYGiK/w2UUbReRmQ8f1osl6yFplOdvhLLwVyV/miiCYC2RSx1+aUq3kJAr627iOPDBP SVyF8iLJoK9BFHqSrbuGQh5ewEy6gxZMVO8v4D/4nt/vzj5DpmzyqKr58uECqjztoEwXPY+V KB7t2CoZv5xo0STm Message-ID: <328e0688-842c-8338-e94a-3bcbf6531491@googlemail.com> Date: Tue, 24 Mar 2020 19:27:57 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Sun, 05 Apr 2020 00:36:00 +0200 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" Dear WireGuarders, I'm wondering about the MTU setting in the WireGuard interface section. My usecase is a VPN "server" node with many clients connecting to it. Some of the clients require a smaller MTU due to their internet provider. If I set a smaller MTU on the interface of the "server" node, i.e. the node everybody will connect to, will that automatically enforce a smaller MTU for the clients communicating with it? Cheers, Oliver