centos 7 bbr 安装

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm

yum install yum-plugin-fastestmirror

yum --enablerepo=elrepo-kernel install kernel-ml

grub2-set-default 0

uname -a 

sudo echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
sudo echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf

sudo sysctl net.ipv4.tcp_available_congestion_control
sudo sysctl net.ipv4.tcp_congestion_control

lsmod | grep tcp_bbr

https://www.zhihu.com/question/53559433/answer/135903103
http://51.ruyo.net/p/2783.html
https://www.addops.cn/post/tcp-bbr.html