From e32d850f77891956b19335363a6817fdad3588e4 Mon Sep 17 00:00:00 2001 From: Jean-Philippe Evrard Date: Tue, 31 May 2016 10:36:31 +0100 Subject: [PATCH] Note to deployers overriding MTUs In our install guide we talk about MTU changes, but the deployer could think that osa does everything automagically. This clarifies the states: The deployer adapting mtus may want to change the neutron config too. Change-Id: Ie109bcbc64972fe9ada7350766dd520e57b17922 Signed-off-by: Jean-Philippe Evrard --- doc/source/install-guide/configure-networking.rst | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/source/install-guide/configure-networking.rst b/doc/source/install-guide/configure-networking.rst index fc51e5c999..f39e91e693 100644 --- a/doc/source/install-guide/configure-networking.rst +++ b/doc/source/install-guide/configure-networking.rst @@ -271,7 +271,12 @@ particular network: The example above enables `jumbo frames`_ by setting the MTU on the storage network to 9000. +.. note:: If you are editing the MTU for your networks, you may also want + to adapt your neutron MTU settings (depending on your needs). Please + refer to the neutron documentation (`Neutron MTU considerations`_). + .. _jumbo frames: https://en.wikipedia.org/wiki/Jumbo_frame +.. _neutron MTU considerations: http://docs.openstack.org/mitaka/networking-guide/adv-config-mtu.html --------------