From 61da45d677f432b591b7a06549bd0406db5a0b07 Mon Sep 17 00:00:00 2001
From: lemmi <lemmi@nerd2nerd.org>
Date: Tue, 21 Jan 2020 22:57:18 +0100
Subject: [PATCH] add note about socket buffer size

---
 Readme.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Readme.md b/Readme.md
index bd73122..0695bf4 100644
--- a/Readme.md
+++ b/Readme.md
@@ -18,3 +18,13 @@ $ go run .
 ### open webbrowser
 
 http://localhost:8080/
+
+## Note
+
+`babeld` can spew out massive amounts of route changes that can fill the netlink socket. 
+
+Check your values:
+
+1. `/proc/sys/net/core/rmem_default` >= 1048576 (1MB)
+2. `/proc/sys/net/core/rmem_max` higher than the value above
+