Deploy Google BBR on CentOS 7

centos kernel version must 4.9 or newest

echo ‘net.core.default_qdisc=fq’ | sudo tee -a /etc/sysctl.conf

echo ‘net.ipv4.tcp_congestion_control=bbr’ | sudo tee -a /etc/sysctl.conf
sudo sysctl -p

sudo sysctl net.ipv4.tcp_available_congestion_control

sudo sysctl -n net.ipv4.tcp_congestion_control

lsmod | grep bbr

sudo yum install httpd -y
sudo systemctl start httpd.service
sudo firewall-cmd –zone=public –permanent –add-service=http
sudo firewall-cmd –reload
cd /var/www/html
sudo dd if=/dev/zero of=500mb.zip bs=1024k count=500