From c7ad1a1435a981a957614fc0c3bce64b902bee71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=80=97=E5=AD=90?= <i@haozi.net>
Date: Fri, 12 Jan 2024 22:45:20 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E8=87=AA=E5=8A=A8=E5=BC=80=E5=90=AF=20?=
 =?UTF-8?q?BBR?=
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---
 scripts/install_panel.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/scripts/install_panel.sh b/scripts/install_panel.sh
index 991e89af..7007cf4f 100644
--- a/scripts/install_panel.sh
+++ b/scripts/install_panel.sh
@@ -110,6 +110,15 @@ Prepare_System() {
         echo fs.file-max = 6553560 >> /etc/sysctl.conf
     fi
 
+    # 自动开启 BBR
+    isBBRSupported=$(sysctl net.ipv4.tcp_available_congestion_control | grep -c bbr)
+    if [ "${isBBRSupported}" != "0" ]; then
+        qdisc=$(sysctl net.core.default_qdisc | awk '{print $3}')
+        echo "net.core.default_qdisc=${qdisc}" >> /etc/sysctl.conf
+        echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
+        sysctl -p
+    fi
+
     if [ "${OS}" == "centos" ]; then
         if ${inChina}; then
             sed -e 's|^mirrorlist=|#mirrorlist=|g' \