Create: 2022-04-01
Update: 2025-07-29
更新 sysctl 配置
时区同步
timedatectl set-timezone Asia/Shanghai
timedatectl set-ntp true
ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime配置 BBR
加载 bbr
/sbin/modprobe tcp_bbr
echo "tcp_bbr" > /etc/modules-load.d/modules.conf检查 bbr 状态
lsmod | grep bbr返回值应为
tcp_bbr 20480 1配置 sysctl
echo "net.core.default_qdisc = cake" > /etc/sysctl.d/99-sysctl.conf
echo "net.ipv4.tcp_congestion_control = bbr" >> /etc/sysctl.d/99-sysctl.conf
sysctl --system检查
sysctl net.ipv4.tcp_available_congestion_control
sysctl net.ipv4.tcp_congestion_control
sysctl net.core.default_qdisc返回值应为
net.ipv4.tcp_available_congestion_control = reno cubic bbr
net.ipv4.tcp_congestion_control = bbr
net.core.default_qdisc = fq_codel持续更新中