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Enable TCP BBR

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- Improve VPN performance by enabling the TCP BBR congestion control
  algorithm on supported systems (e.g. Ubuntu 18.04+, Debian 10+,
  CentOS 8+) during VPN setup.
  References:
  https://cloud.google.com/blog/products/networking/tcp-bbr-congestion-control-comes-to-gcp-your-internet-just-got-faster
  https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/docs/bbr.md
This commit is contained in:
hwdsl2 2022-09-07 02:32:12 -05:00
parent b4770c4507
commit 0bb9d90668
2 changed files with 12 additions and 0 deletions
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6
vpnsetup_centos.sh
View File

@ -549,6 +549,12 @@ net.core.rmem_max = 12582912
net.ipv4.tcp_rmem = 10240 87380 12582912
net.ipv4.tcp_wmem = 10240 87380 12582912
EOF
if modprobe -q tcp_bbr; then
cat >> /etc/sysctl.conf <<'EOF'
net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
EOF
fi
fi
}

6
vpnsetup_ubuntu.sh
View File

@ -499,6 +499,12 @@ net.core.rmem_max = 12582912
net.ipv4.tcp_rmem = 10240 87380 12582912
net.ipv4.tcp_wmem = 10240 87380 12582912
EOF
if modprobe -q tcp_bbr; then
cat >> /etc/sysctl.conf <<'EOF'
net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
EOF
fi
fi
}