From f88f49ec676258edd4a84d3e58f024757c0a70e6 Mon Sep 17 00:00:00 2001
From: Pierre Riteau <pierre@stackhpc.com>
Date: Tue, 7 Dec 2021 07:02:14 +0100
Subject: [PATCH] Document seed_enable_snat
Change-Id: Ie42ab7a0dc9dd1ed1925b3a17134b3770ae8ba98
---
doc/source/configuration/reference/hosts.rst | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/doc/source/configuration/reference/hosts.rst b/doc/source/configuration/reference/hosts.rst
index 65edd99a..9f42e12c 100644
--- a/doc/source/configuration/reference/hosts.rst
+++ b/doc/source/configuration/reference/hosts.rst
@@ -496,6 +496,17 @@ For example, to set the ``net.ipv4.ip_forward`` parameter to ``1`` on controller
controller_sysctl_parameters:
net.ipv4.ip_forward: 1
+IP routing and Source NAT
+=========================
+*tags:*
+ | ``ip-routing``
+ | ``snat``
+
+IP routing and source NAT (SNAT) can be configured on the seed host, which
+allows it to be used as a default gateway for overcloud hosts. This is disabled
+by default since the Xena 11.0.0 release, and may be enabled by setting
+``seed_enable_snat`` to ``true`` in ``${KAYOBE_CONFIG_PATH}/seed.yml``.
+
Disable cloud-init
==================
*tags:*
--
GitLab