From 7f474db96a7f629e61e21697e7d83f857627afec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ram=C3=B3n=20Lobillo?= <rlobillo@redhat.com>
Date: Tue, 21 Jan 2025 12:10:33 +0100
Subject: [PATCH] [OSASINFRA-IPV6 DT]Set MTU to 9000

With 1500 MTU, we hit https://access.redhat.com/solutions/7088208

Same is not hit in ipv4 because the overhead is higher in ipv6.

This patch is updating the MTU to 9000 so the shiftstack
installation on top of this DT can succeed.
---
 examples/dt/osasinfra-ipv6/service-values.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/examples/dt/osasinfra-ipv6/service-values.yaml b/examples/dt/osasinfra-ipv6/service-values.yaml
index 448632911..d513d01f2 100644
--- a/examples/dt/osasinfra-ipv6/service-values.yaml
+++ b/examples/dt/osasinfra-ipv6/service-values.yaml
@@ -8,6 +8,12 @@ metadata:
     config.kubernetes.io/local-config: "true"
 data:
   preserveJobs: false
+  neutron:
+    # To avoid hitting https://access.redhat.com/solutions/7088208 during
+    # shiftstack installation:
+    customServiceConfig: |
+      [DEFAULT]
+      global_physnet_mtu = 9000
   cinderAPI:
     replicas: 3
   cinderBackup: