echo "net.ipv4.ip_forward=1" | sudo tee /etc/sysctl.d/99-ipforward.conf
printf '%s\n' \
'net.core.default_qdisc=fq' \
'net.ipv4.tcp_congestion_control=bbr' \
| sudo tee /etc/sysctl.d/98-tcpbbr.conf运行
sudo sysctl -p /etc/sysctl.d/99-ipforward.conf
sudo sysctl -p /etc/sysctl.d/98-tcpbbr.conf验证
sysctl net.ipv4.ip_forward
sysctl net.ipv4.tcp_congestion_control
lsmod | grep bbr