1. 先看是否为 bbr
sysctl net.ipv4.tcp_available_congestion_control
2. 若未显示 bbr,则执行下述命令
echo "net.core.default_qdisc=fq" >> /etc/sysctl.confecho "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.confsysctl -p
sysctl net.ipv4.tcp_available_congestion_control
echo "net.core.default_qdisc=fq" >> /etc/sysctl.confecho "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.confsysctl -p