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- ```shell
- echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
- echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
- sysctl -p
- ```
- 如果正常执行之后没有报错的话,需要重启一下系统,让配置生效。
- 重启之后,执行如下命令查看配置是否成功生效:
- ```shell
- lsmod | grep bbr
- ```
- 显示如下则成功开启BBR
- ```shell
- tcp_bbr 20480 0
- ```
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