diff --git a/internal/pkg/common/interfaces.go b/internal/pkg/common/interfaces.go
index 98f644c..69fa26f 100755
--- a/internal/pkg/common/interfaces.go
+++ b/internal/pkg/common/interfaces.go
@@ -124,6 +124,8 @@
 	CreatePortInCore(context.Context, *voltha.Port) error
 
 	PerOnuFlowHandlerRoutine(uniID uint8)
+
+	UpdateInterface(context.Context) error
 }
 
 // IonuDeviceEntry interface to onuDeviceEntry