Configure BBR on Debian and Ubuntu
kernel version > 4.9
1、修改系统参数
echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
2、保存生效
sysctl -p
3、查看内核是否已开启BBR
sysctl net.ipv4.tcp_available_congestion_control
输出如下：
net.ipv4.tcp_available_congestion_control = bbr cubic reno
4、查看BBR是否启动
lsmod | grep bbr
输出如下：
tcp_bbr 20480 28
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