Jack Posted July 17, 2021 Share Posted July 17, 2021 (edited) ----------------------------------------- CentOS 8、Rocky Linux 8 的内核 4.x 只需要打开BBR ----------------------------------------- 查看内核 uname -r 结果是4.18 打开BBR vi /etc/sysctl.conf 如果没有以下这两行,就自己添加 net.core.default_qdisc = fq net.ipv4.tcp_congestion_control = bbr :wq 保存并离开 关闭selinux vi /etc/sysconfig/selinux SELINUX=enforcing 改为 SELINUX=disabled :wq 保存并离开 重启 sudo reboot 查看是否已打开BBR sysctl net.ipv4.tcp_available_congestion_control 返回值一般为: net.ipv4.tcp_available_congestion_control = reno cubic bbr sysctl net.ipv4.tcp_congestion_control 返回值一般为: net.ipv4.tcp_congestion_control = bbr sysctl net.core.default_qdisc 返回值一般为: net.core.default_qdisc = fq lsmod | grep bbr 返回值有 tcp_bbr 说明bbr已启动 Edited October 14, 2022 by Jack Link to comment
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