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-rw-r--r--lib/python/apex/network_environment.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/python/apex/network_environment.py b/lib/python/apex/network_environment.py
index dbe89b21..dd9530b8 100644
--- a/lib/python/apex/network_environment.py
+++ b/lib/python/apex/network_environment.py
@@ -120,6 +120,8 @@ class NetworkEnvironment(dict):
self[param_def]['TenantNetCidr'] = str(tenant_cidr)
if tenant_cidr.version == 6:
postfix = '/tenant_v6.yaml'
+ # set overlay_ip_version option in Neutron ML2 config
+ self[param_def]['NeutronOverlayIPVersion'] = "6"
else:
postfix = '/tenant.yaml'