From 1745eea83ecdc36a6f5ee8285495b9e2cc00557e Mon Sep 17 00:00:00 2001
From: Julia Kreger <juliaashleykreger@gmail.com>
Date: Thu, 19 Sep 2019 15:20:32 -0700
Subject: [PATCH] Lower MTU override

For some unknown reason, new networks being created in the
fortnebula test VMs are defaulting to a MTU size of 1350 bytes.

This is based upon the physnet MTU, which does appear to be
lower on the fortnebula cloud.

Change-Id: I113973ba2a0a33c68f485d02af1ce8e12a6fbba4
Story: 2006589
Task: 36716
---
 zuul.d/ironic-jobs.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/zuul.d/ironic-jobs.yaml b/zuul.d/ironic-jobs.yaml
index be10039622..8e3bc26540 100644
--- a/zuul.d/ironic-jobs.yaml
+++ b/zuul.d/ironic-jobs.yaml
@@ -30,7 +30,7 @@
         DEFAULT_INSTANCE_TYPE: baremetal
         FORCE_CONFIG_DRIVE: True
         INSTALL_TEMPEST: False # Don't install a tempest package globaly
-        OVERRIDE_PUBLIC_BRIDGE_MTU: 1400
+        OVERRIDE_PUBLIC_BRIDGE_MTU: 1350
         TEMPEST_PLUGINS: "{{ ansible_user_dir }}/src/opendev.org/openstack/ironic-tempest-plugin"
         VIRT_DRIVER: ironic
         BUILD_TIMEOUT: 720
@@ -387,7 +387,7 @@
         IRONIC_VM_LOG_DIR: '{{ devstack_base_dir }}/ironic-bm-logs'
         IRONIC_VM_SPECS_RAM: 384
         IRONIC_VM_SPECS_DISK: 4
-        OVERRIDE_PUBLIC_BRIDGE_MTU: 1400
+        OVERRIDE_PUBLIC_BRIDGE_MTU: 1350
         OVS_BRIDGE_MAPPINGS: 'mynetwork:brbm,public:br-infra'
         OVS_PHYSICAL_BRIDGE: brbm
         PHYSICAL_NETWORK: mynetwork