#TCP窗口调优 #bbr

net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_ecn = 0
net.ipv4.tcp_frto = 0
net.ipv4.tcp_mtu_probing = 0
net.ipv4.tcp_rfc1337 = 0
net.ipv4.tcp_sack = 1
net.ipv4.tcp_fack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_adv_win_scale = 1
net.ipv4.tcp_moderate_rcvbuf = 1
net.core.rmem_max = 33554432
net.core.wmem_max = 33554432
net.ipv4.tcp_rmem = 4096 87380 33554432
net.ipv4.tcp_wmem = 4096 16384 33554432
net.ipv4.udp_rmem_min = 8192
net.ipv4.udp_wmem_min = 8192
net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
* Applying /usr/lib/sysctl.d/50-pid-max.conf ...
kernel.pid_max = 4194304
* Applying /etc/sysctl.d/99-sysctl.conf ...
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_ecn = 0
net.ipv4.tcp_frto = 0
net.ipv4.tcp_mtu_probing = 0
net.ipv4.tcp_rfc1337 = 0
net.ipv4.tcp_sack = 1
net.ipv4.tcp_fack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_adv_win_scale = 1
net.ipv4.tcp_moderate_rcvbuf = 1
net.core.rmem_max = 33554432
net.core.wmem_max = 33554432
net.ipv4.tcp_rmem = 4096 87380 33554432
net.ipv4.tcp_wmem = 4096 16384 33554432
net.ipv4.udp_rmem_min = 8192
net.ipv4.udp_wmem_min = 8192
net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
* Applying /usr/lib/sysctl.d/protect-links.conf ...
fs.protected_fifos = 1
fs.protected_hardlinks = 1
fs.protected_regular = 2
fs.protected_symlinks = 1
* Applying /etc/sysctl.conf ...
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_ecn = 0
net.ipv4.tcp_frto = 0
net.ipv4.tcp_mtu_probing = 0
net.ipv4.tcp_rfc1337 = 0
net.ipv4.tcp_sack = 1
net.ipv4.tcp_fack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_adv_win_scale = 1
net.ipv4.tcp_moderate_rcvbuf = 1
net.core.rmem_max = 33554432
net.core.wmem_max = 33554432
net.ipv4.tcp_rmem = 4096 87380 33554432
net.ipv4.tcp_wmem = 4096 16384 33554432
net.ipv4.udp_rmem_min = 8192
net.ipv4.udp_wmem_min = 8192
net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr

然后执行

sysctl —system