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linux:bbr [2018/01/08 14:01] percylinux:bbr [2018/01/08 14:39] percy
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 ==== Enable bbr ==== ==== Enable bbr ====
 +  sysctl net.core.default_qdisc=fq
 +  sysctl net.ipv4.tcp_congestion_control=bbr
 +
 <code BASH> <code BASH>
 pi@raspberrypi:~ $  sudo sysctl net.ipv4.tcp_congestion_control=bbr pi@raspberrypi:~ $  sudo sysctl net.ipv4.tcp_congestion_control=bbr
Line 53: Line 56:
 Now you can reoot the VPS Now you can reoot the VPS
      
 +
 +==== Some tips ====
 +<code>
 +uname -r
 +#查看内核版本,含有4.9.0就表示OK了
 +#------------
 +sysctl net.ipv4.tcp_available_congestion_control
 +#返回值一般为:
 +#net.ipv4.tcp_available_congestion_control = bbr cubic reno
 +#------------
 +sysctl net.ipv4.tcp_congestion_control
 +#返回值一般为:
 +#net.ipv4.tcp_congestion_control = bbr
 +#------------
 +sysctl net.core.default_qdisc
 +#返回值一般为:
 +#net.core.default_qdisc = fq
 +#------------
 +lsmod | grep bbr
 +#返回值有tcp_bbr模块即说明bbr已启动。
 +</code>
 +
 +==== Refer ====
 +  - https://www.nmbhost.com/archives/1594
 +  - https://blog.chenjia.me/articles/161229-000832.html
 +  - https://www.digitalocean.com/community/tutorials/how-to-update-a-digitalocean-server-s-kernel
  
  
  
  
/var/www/dokuwiki/wiki/data/pages/linux/bbr.txt · Last modified: 2018/01/08 14:40 by percy