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Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit References: X-Mailer: WebService/1.1.20001 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo 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 guys I thought there was no better place to ask but here so - both ends are centOS and end up having different MTUs for 'wg' interfaces and that I thought, was wrong. 1370 (server) VS 1320 (client) I expected that would be negotiated between nodes without user involved, right? Moreover if I from the client do: -> $ ping server -M do -s 1300 PING 10.3.3.1 (10.3.3.1) 1300(1328) bytes of data. ping: local error: message too long, mtu=1320 Could some expert or two shed more light on what & why is happening? many thanks, L.