ソラ

sudo bash -c 'cat << EOF >> /etc/sysctl.conf
net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_adv_win_scale = 1
net.ipv4.tcp_moderate_rcvbuf = 1
net.ipv4.ip_forward = 1
net.ipv4.conf.all.forwarding = 1
net.ipv4.conf.default.forwarding = 1
net.core.rmem_max = 67108864
net.core.wmem_max = 67108864
net.ipv4.tcp_rmem = 4096 87380 33554432
net.ipv4.tcp_wmem = 4096 65536 33554432
EOF'

sysctl -p

linux Network Tuning