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Molly Lau 2023-11-20 16:27:54 +09:00 committed by GitHub
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@ -217,7 +217,7 @@ Wait until downloading and unpackaging are all finished, change netboot to forma
<br />
<br />
**--bbr**: Enable BBR(Bottleneck Bandwidth and Round-trip propagation time) for current kernel by add parameters and values to "/etc/sysctl.d/99-sysctl.conf" including:
**--bbr**: Enable BBR(Bottleneck Bandwidth and Round-trip propagation time) for current kernel by adding parameters and values to "/etc/sysctl.d/99-sysctl.conf" including:
<pre><code>net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
net.ipv4.tcp_rmem = 8192 262144 536870912
@ -227,6 +227,7 @@ net.ipv4.tcp_collapse_max_bytes = 6291456
net.ipv4.tcp_notsent_lowat = 131072
</code></pre>
to optimize the network environments of high latency and low bandwidth.
<br />
Note: Module "tcp_collapse_max_bytes" is a self completion of Cloudflare, you need to download and apply patches by yourself otherwise this module will not be in effect:
https://github.com/cloudflare/linux/tree/master/patches
<br />