diff --git a/src/indications.cc b/src/indications.cc
index b0ba964..fd40603 100644
--- a/src/indications.cc
+++ b/src/indications.cc
@@ -87,6 +87,15 @@
         }
     }
 
+    // Enable all NNI interfaces. 
+    // 
+    for (int i = 0; i < NumNniIf_(); i++) {
+        status = EnableUplinkIf_(i);
+        if (!status.ok()) {
+            // FIXME - raise alarm to report error in enabling PON
+        }
+    }
+
     /* register for omci indication */
     {
         bcmbal_cb_cfg cb_cfg = {};