查看内核是否存在BBR
modinfo tcp_bbr
如果存在将显示
filename: /lib/modules/6.0.8-zen1-1-zen/kernel/net/ipv4/tcp_bbr.ko.zst
description: TCP BBR (Bottleneck Bandwidth and RTT)
license: Dual BSD/GPL
author: Soheil Hassas Yeganeh <[email protected]>
author: Yuchung Cheng <[email protected]>
author: Neal Cardwell <[email protected]>
author: Van Jacobson <[email protected]>
srcversion: 45C28CF3289CB679DC19084
depends:
retpoline: Y
intree: Y
name: tcp_bbr
vermagic: 6.0.8-zen1-1-zen SMP preempt mod_unload
sig_id: PKCS#7
signer: Build time autogenerated kernel key
sig_key: 70:FD:43:4C:DE:2D:51:07:DC:E1:1B:8C:FB:47:CF:2C:65:0E:68:B0
sig_hashalgo: sha512
signature: 30:66:02:31:00:D9:C6:9B:BA:C3:78:F2:8C:53:C4:98:61:8B:6D:C6:
19:72:02:C2:3F:9E:50:49:85:21:8C:40:E8:C0:02:A9:2D:56:4C:81:
B2:C8:30:F2:1F:7F:B9:CB:93:CD:C7:F3:EC:02:31:00:B8:44:C9:38:
72:2E:E5:8C:FB:F1:80:FB:84:DA:91:62:11:70:4B:66:A2:45:79:36:
3B:29:0A:90:01:A1:96:0F:39:ED:D6:38:7D:2C:27:07:BD:41:34:90:
2E:7D:34:F8
有类似这样的提示就可以直接开启
开启BBR模块
sudo modprobe tcp_bbr
开启自动加载
echo "tcp_bbr" > /etc/modules-load.d/80-bbr.conf
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.d/80-bbr.conf
echo "net.core.default_qdisc=fq" >> /etc/sysctl.d/80-bbr.conf
sysctl -p /etc/sysctl.d/80-bbr.conf检查是否启动
sysctl net.ipv4.tcp_congestion_control
返回内容应为
net.ipv4.tcp_congestion_control = bbr2
