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Open BBR for Debian

Enable TCP BBR on Debian.

Steps

  1. Open the following configuration file to enable TCP BBR.

vi /etc/sysctl.conf

  1. At the end of the config file, add the following lines.

net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr

  1. reload

sysctl -p

Now, Verify if BBR is enabled in your system,

sysctl net.ipv4.tcp_congestion_control

Output:

root@vps:~# sysctl net.ipv4.tcp_congestion_control
net.ipv4.tcp_congestion_control = bbr