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Arch Linux - Enable BBR

Enabling BBR On Arch Linux 4.13+

Become Root
  • sudo su
Set Up sysctl Config File
  • echo "net.core.default_qdisc=fq" >> /etc/sysctl.d/bbr.conf
  • echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.d/bbr.conf
Load Module
  • modprobe tcp_bbr
Load Config From File
  • sysctl -p /etc/sysctl.d/bbr.conf
Check Running Config
  • sysctl net.ipv4.tcp_available_congestion_control
  • sysctl net.ipv4.tcp_congestion_control
(Optional) Reboot To Make Sure Settings Persisted
  • reboot
(Optional) Post-Reboot Check Module Is Loaded
  • lsmod | grep bbr
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