diff --git a/aether-playbook/roles/router/linux/templates/etc/netplan/sgi-s1u-gateway.yaml.j2 b/aether-playbook/roles/router/linux/templates/etc/netplan/sgi-s1u-gateway.yaml.j2
new file mode 100644
index 0000000..7c6cef7
--- /dev/null
+++ b/aether-playbook/roles/router/linux/templates/etc/netplan/sgi-s1u-gateway.yaml.j2
@@ -0,0 +1,26 @@
+# Copyright 2020-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+network:
+  version: 2
+  renderer: networkd
+  ethernets:
+    {{ sgi_s1u_gateway_iface }}:
+      addresses:
+        - {{ sgi_gateway_ip }}
+        - {{ s1u_gateway_ip }}
+      routes:
+        - to: {{ ue_pool }}
+          via: {{ spgwu_sgi_ip }}