From d790d79c2bbd562fb94d248ff42cdcf0ef8f21cb Mon Sep 17 00:00:00 2001
From: Billy Tat <btat@suse.com>
Date: Mon, 8 Nov 2021 16:23:35 -0800
Subject: [PATCH] Add ip tables requirment

---
 content/rancher/v2.5/en/installation/requirements/_index.md | 6 ++++++
 content/rancher/v2.6/en/installation/requirements/_index.md | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/content/rancher/v2.5/en/installation/requirements/_index.md b/content/rancher/v2.5/en/installation/requirements/_index.md
index 887226232ff..77d8abc2244 100644
--- a/content/rancher/v2.5/en/installation/requirements/_index.md
+++ b/content/rancher/v2.5/en/installation/requirements/_index.md
@@ -62,6 +62,12 @@ If you plan to run Rancher on ARM64, see [Running on ARM64 (Experimental).]({{<b
 
 For the container runtime, RKE should work with any modern Docker version.
 
+Note that the following sysctl setting must be applied:
+
+```
+net.bridge.bridge-nf-call-iptables=1
+```
+
 ### K3s Specific Requirements
 
 For the container runtime, K3s should work with any modern version of Docker or containerd.
diff --git a/content/rancher/v2.6/en/installation/requirements/_index.md b/content/rancher/v2.6/en/installation/requirements/_index.md
index 6ca43607b08..9f1c959f73b 100644
--- a/content/rancher/v2.6/en/installation/requirements/_index.md
+++ b/content/rancher/v2.6/en/installation/requirements/_index.md
@@ -58,6 +58,12 @@ If you plan to run Rancher on ARM64, see [Running on ARM64 (Experimental).]({{<b
 
 For the container runtime, RKE should work with any modern Docker version.
 
+Note that the following sysctl setting must be applied:
+
+```
+net.bridge.bridge-nf-call-iptables=1
+```
+
 ### K3s Specific Requirements
 
 For the container runtime, K3s should work with any modern version of Docker or containerd.