From cb09f77b6864b27b9e3d45a94aa5789a0b54d27f Mon Sep 17 00:00:00 2001
From: Ruakij <ruakij@ruekov.eu>
Date: Fri, 9 Oct 2026 14:37:23 +0000
Subject: [PATCH] Enable TCP BBR with the fq qdisc on kernels from 4.9 in the
 common role

---
 common/tasks/networking.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/common/tasks/networking.yml b/common/tasks/networking.yml
index 50b6f77..ecbc60d 100644
--- a/common/tasks/networking.yml
+++ b/common/tasks/networking.yml
@@ -47,3 +47,13 @@
     content: |
       net.ipv6.conf.all.accept_ra = 2
   notify: reload_sysctl
+
+- name: Set sysctl settings for TCP BBR 
+  copy:
+    dest: "/etc/sysctl.d/tcp-bbr.conf"
+    content: |
+      net.core.default_qdisc  = fq
+      net.ipv4.tcp_congestion_control = bbr 
+  when:
+    - ansible_kernel is version('4.9', '>=')
+  notify: reload_sysctl