确认内核是否支持bbr

sysctl net.ipv4.tcp_available_congestion_control

1 开启bbr

echo "net.core.default_qdisc=fq" | sudo tee -a /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" | sudo tee -a /etc/sysctl.conf

重新加载sysctl 设置

sudo sysctl -p

2 开启bbr+fq

echo "net.core.default_qdisc=fq" | sudo tee -a /etc/sysctl.conf

重新加载sysctl 设置

sudo sysctl -p