diff --git a/tosca-configs/att-workflow/adtran-munich-olt.yaml b/tosca-configs/att-workflow/adtran-munich-olt.yaml
index 6423ccd..a51ff5a 100644
--- a/tosca-configs/att-workflow/adtran-munich-olt.yaml
+++ b/tosca-configs/att-workflow/adtran-munich-olt.yaml
@@ -39,6 +39,7 @@
         switch_datapath_id: of:0000000000000001
         switch_port: "50"
         outer_tpid: "0x8100"
+        uplink: "1"
         nas_id: "NAS_ID"
       requirements:
         - volt_service: