diff --git a/roles/epc/tasks/main.yml b/roles/epc/tasks/main.yml
index 1d3081e..ac9ed80 100644
--- a/roles/epc/tasks/main.yml
+++ b/roles/epc/tasks/main.yml
@@ -47,3 +47,8 @@
 
 - name: configure open5gs
   include_tasks: configure-open5gs.yml
+
+- name: overwrite open5gs network configuration for upfd
+  template:
+    src: "99-open5gs.network"
+    dest: "/etc/systemd/network/99-open5gs.network"
diff --git a/roles/epc/templates/99-open5gs.network b/roles/epc/templates/99-open5gs.network
new file mode 100644
index 0000000..1e3c569
--- /dev/null
+++ b/roles/epc/templates/99-open5gs.network
@@ -0,0 +1,19 @@
+[Match]
+Name=ogstun
+
+# old
+#[Network]
+#Address=10.45.0.1/16
+#Address=2001:db8:cafe::1/48
+
+[Route]
+Gateway=0.0.0.0
+Destination={{ epc_ue_network }}
+
+# [Route]
+# Gateway=::
+# Destination=2001:db8:cafe::0/48
+
+[Link]
+MTUBytes=1400
+RequiredForOnline=false