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MTUÊÇÍøÂç´«ÊäÖÐ×î´ó´«Ê䵥λµÄËõд £¬ËüÌåÏÖÒ»´ÎÍøÂç´«ÊäµÄ×î´óÊý¾Ý°ü¾Þϸ¡£Ä¬ÈÏÇéÐÎÏ £¬LinuxϵͳµÄMTU¾ÞϸÊÇ1500×Ö½Ú £¬µ«ÔÚijЩÇéÐÎÏ £¬Õâ¿ÉÄܲ»·ó´ó £¬µ¼ÖÂÍøÂç´«ÊäЧÂʵÍÏ¡£

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sudo ifconfig eth0 mtu 9000

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TCPÊÇ×î³£ÓõÄÍøÂç´«ÊäЭÒéÖ®Ò» £¬ÔÚLinuxϵͳÖÐ £¬ÎÒÃÇ¿ÉÒÔͨ¹ýµ÷½âTCPÅþÁ¬²ÎÊýÀ´Ìá¸ßÍøÂçÐÔÄÜ¡£ÏÂÃæÊÇһЩ³£ÓõÄTCPÅþÁ¬µ÷ÓŲÎÊý¼°ÆäʾÀý´úÂ룺

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sudo sysctl -w net.ipv4.tcp_window_scaling=1
sudo sysctl -w net.core.rmem_max=8388608
sudo sysctl -w net.core.wmem_max=8388608
sudo sysctl -w net.core.rmem_default=65535
sudo sysctl -w net.core.wmem_default=65535

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sudo sysctl -w net.ipv4.tcp_sack=1
sudo sysctl -w net.ipv4.tcp_fack=1
sudo sysctl -w net.ipv4.tcp_congestion_control=cubic

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sudo sysctl -w net.ipv4.tcp_keepalive_time=120

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IP·ÓÉÊÇÍøÂçͨѶÖкÜÊÇÖ÷ÒªµÄÒ»»· £¬Í¨¹ýµ÷½âIP·Óɱí £¬ÎÒÃÇ¿ÉÒÔÌá¸ßÍøÂç´«ÊäЧÂÊ¡£ÏÂÃæÊÇһЩ³£ÓõÄIP·Óɵ÷ÓŲÎÊý¼°ÆäʾÀý´úÂ룺

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sudo sysctl -w net.ipv4.ip_forward=0

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sudo sysctl -w net.ipv4.conf.all.rp_filter=1

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sudo sysctl -w net.ipv4.route.flush=1

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sudo ulimit -n 65535

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sudo sysctl -w net.core.netdev_max_backlog=30000
sudo sysctl -w net.ipv4.tcp_max_syn_backlog=8192
sudo sysctl -w net.core.somaxconn=4096

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